Company Information
CIN
Status
Date of Incorporation
21 April 1954
State / ROC
Chennai / ROC Chennai
Last Balance Sheet
31 March 2023
Last Annual Meeting
02 August 2023
Paid Up Capital
190,054,904
Authorised Capital
387,250,000
Directors
Muthiah Murugappan Murugappan
Director/Designated Partner
about 2 years ago
about 2 years ago
Sanjay Jayavarthanavelu
Director/Designated Partner
about 2 years ago
about 2 years ago
Sridharan Rangarajan
Director/Designated Partner
over 2 years ago
over 2 years ago
Sujjain Talwar
Director/Designated Partner
over 2 years ago
over 2 years ago
Narayanan Ananthaseshan
Director/Designated Partner
over 2 years ago
over 2 years ago
Surendhiran Rekha
Director/Designated Partner
over 2 years ago
over 2 years ago
Aroon Raman
Director/Designated Partner
almost 3 years ago
almost 3 years ago
Purushothaman Padmanabhan
Director/Designated Partner
about 5 years ago
about 5 years ago
Pundi Srinivasan Raghavan
Director/Designated Partner
over 8 years ago
over 8 years ago
M A M Arunachalam .
Director
over 8 years ago
over 8 years ago
Muthuswami Lakshminarayan
Director
over 16 years ago
over 16 years ago
Vellayan Arunachalam .
Director
over 18 years ago
over 18 years ago
Ramesh V .
Director/Designated Partner
almost 19 years ago
almost 19 years ago
Alagappan Arunachalam Murugappan
Director
about 20 years ago
about 20 years ago
Subodh Kumar Bhargava
Director
about 25 years ago
about 25 years ago
Suresh Narsappa Talwar
Director
over 42 years ago
over 42 years ago
Past Directors
Soundara Kumar
Additional Director
over 6 years ago
over 6 years ago
Jagannathan Chakravarthi Narasimhan
Cfo(kmp)
over 7 years ago
over 7 years ago
Bharati Rao
Director
over 10 years ago
over 10 years ago
Krishnaswamy Srinivasan
Managing Director
almost 16 years ago
almost 16 years ago
Thekkekkara Meloth Mohan Nambiar
Director
about 20 years ago
about 20 years ago
Partho Sarothy Datta
Director
almost 22 years ago
almost 22 years ago
Tirunelveli Lakshmanaswamy Palani Kumar
Director
about 25 years ago
about 25 years ago
Sridharan Dhanavanthkumar
Company Secretary
almost 30 years ago
almost 30 years ago
Patents
A device for organizing and transforming functionality of a space comprises a set of panel sections (1-4) connected with each other in such a way that the panel sections are pivotably movable with respect to other panel sections between an open position and a close position. Each panel section is provided with sever...
AN IMPROVED METHOD OF MAKING SINTERED ALUMINA ABRASIVE
GRAINS
The present invention relates to a method of manufacturing alumina based sintered alumina abrasives. In particular, the present invention relates to a simplified process for making sintered alumina abrasives from an economical precursor such as bauxite....
The present invention is related to a novel process of making microcrystalline alpha alumina based abrasive grain. Particularly, described herein are new types of gel dispersion and drying systems and subsequent processes to produce microcrystalline alumina abrasive with improved product performance. The instant inv...
The present application relates to a process of manufacturing brown fused alumina and its derivatives from inferior quality bauxite. This process of the present application ensures high quality of brown fused alumina derived from the low grade bauxite as a precursor. This process is also relatively simpler than othe...
PLEASE SEE THE UPLOADED ATTACHMENTS
This invention relates to abrasive particles and methods of making the same. Particularly, this invention relates to a process of making alpha alumina based sintered abrasive grain. Abrasive grains of this invention show improved properties such as high density, high micro-hardness, and moderate fracture toughness. ...
A process for manufacturing sintering aluminium oxide powder comprising the steps
of:
(a) Preparing a homogenous mixed solution alumina gel and additives
(b) Drying the mixture of step (a) at a temperature not exceeding 120°C to form a dry powder
(c) Compressing the dry powder of step (b) into a compact
(d) Sin...
This invention relates to sintered alumina zirconia composites comprising 10 to 30 weight percentage of zirconia. The invention also relates to a process for the preparation of microcrystalline alumina zirconia having submicron crystals and superior mechanical properties such as high hardness, high toughness. The al...
The present invention relates to an abrasive material comprising three-dimensional non-woven web of biodegradable fibers coated with biodegradable binder solution and plurality of biodegradable abrasive particles.
The present invention relates to a method and apparatus for high temperature microwave glazing to obtain highly dense, pore-free and impervious surface layer in a significantly shorter time. A glaze-forming composition is applied on a work piece and indirect heating can be done by first absorbing the microwaves in a...
A process Of manufacture of an abrasive from non-abrasive material containing 407. alumina or more-comprising the steps of wetting the said materia1 in grain form with phosphoric at: id (up to 7% by weight of the said material preparing a blend of aluminous
compounds and of fine hard par...
A device for holding and/or transferring molten metal comprises an inner wall lining of thermal shock resistant, low thermal conductive ceramic material, preferably aluminium titanate, to form the working area of the device in contact with the molten metal. The ceramic material is lined on an intermediate wall compr...
The present invention relates to a mortar composition, comprising: a) a Powder component A comprising one or more inorganic fillers, and b) a syrup component B comprising a resin, wherein the Powder component A contains catalyst and its method of preparation and application.
A method (10, 50) of forming an anti-microbial abrasive scrub pad is disclosed. A base web is formed by opening a fiber with an equipment that separates individual fiber and cross-lapping and passing the fiber via a needle loom for integrity and bonding and spray coating a plurality of anti-microbial agents and an a...
The present invention provides a graphene reinforced reaction bonded Silicon carbide. The graphene is coated with SiC-coating which is achieved in-situ by pyrolysis of pre-ceramic polymeric layer on graphene. There is also provided a process for preparing the composite of reaction bonded silicon carbide ceramics wit...
Please see the attachment
The present invention relates to abrasive grains based on fused alumina zirconia (AZ) composites. In particular, the present invention relates to AZ composites comprising additives selected from silica, yttria, chromia and titania and a process for their preparation.
The present invention relates to a process for the development of water impervious ceramic particulate composite composed of zirconia toughened alumina (ZTA). The invention also relates to ZTA ceramic particulate composite wherein alumina is present as a ceramic matrix and zirconia is dispersed therein. Said ceramic...
The present application relates to partially stabilized zirconia or zirconia toughened alumina ceramic beads/mini-media for fine grinding applications and/or as a filler for composites. It also relates to a process for their manufacture by simple, inexpensive and environmentally friendly method and the development o...
This invention relates to zirconia alumina composites where the alumina crystals are dispersed in the matrix of zirconia matrix. The composites have fine-pained microstructure with high toughness and moderate hardness. The invention also relates to a simplified process
far the preparation of sintered zirconia alumi...
The present invention relates to an improved process for the preparation of boehmite from aluminium hydroxide of Bayer process comprising the steps of: (a) pre-calcining aluminium hydroxide to remove chemically bound water partially; (b) subjecting the pre-calcined powder in an autoclave, to which water is added fol...
This invention relates to the manufacture of sintered microcrystalline alumina abrasives from hydrated alumina with improved product features. The process as described herein simplifies the production of microcrystalline alumina abrasives having an average crystal size in the range of 0.1 to 0.6 microns. The microst...
A system for quick quenching and release of composite materials, such as AZ40, includes a mould assembly capable of traversing in a horizontal axis and includes mould blocks (2a) with grooves. A slotted link mechanism (10) is provided to link adjacent mould blocks (2a) The spacing between the mould blocks (2a) is in...
The present disclosure relates to a vacuum infusion method for producing molded article and a system employed in the method of producing a molded article. The method is characterized in that it involves a flexible counter mold which facilitates uniform resin infusion throughout the part to be molded. The present dis...
The present invention relates to a method of producing ceramic reinforced bulk metallic glass alloy material by Pulsed Electric Current sintering Technology. A composite material having a maximum of the reinforcement material with minimum of the bulk metallic glass alloy as the matrix material is sintered at a tempe...
The present invention relates to an early warning wear detection system in combination with material transfer system. The material transfer system may include a first material transfer conduit, a second material transfer conduit. The second material transfer conduit may have a tubular wall with an inner wall surface...
Disclosed herein is a silicon carbide coated graphite composite material comprising silicon carbide coating forming hard outer phase and a graphite in a soft inner phase; wherein the outer phase has as uniform thickness ranging from 100-1200 µm. The combination of hard and soft phases results in better lubrication, ...
The present application relates to high purity zirconia (ZrO2) and a process for its preparation from zircon. In particular, the present invention pertains to a high purity zirconia (ZrO2), which has a content of SiO2 as low as 0.05 wt % to the total weight of zirconia and radioactive elements such as Th and U well ...
The present invention relates to a method and system for conveying and separation of the material in cyclone (100). A layer (202) of wear-resistant and corrosion resistant material with suitable bonding material over an inner surface of the cyclone (100). A protection member (204, 302, 304, 402) being suitably profi...
The present invention pertains to alumina-zirconia grains with facetted microstructure having improved wear resistance and abrasive properties and a method of producing the same. In particular, the present invention pertains to alumina-zirconia grains with facetted microstructure with lamellar or rod type eutectic c...
The present application provides a lining brick for a coke wharf comprising combination brick having two layers, one layer of silicon carbide (SiC) refractory and a second layer of fireclay refractory. The thickness ratio of SiC refractory to fireclay refractory in the lining brick is 1:3. The application also provi...
The present application provides a downcomer with brick lining, for an indurating furnace, in a straight travelling grate of a pellet plant. The application also provides bricks for brick lining and a process for pelletizing iron ore pellets, utilizing the straight grate travel process, which comprises a downcomer w...
The present application pertains to a process for making micro porous insulation fire bricks. This process involves making the fire bricks with high pressurized micro porous foam at controlled sintering which helps to achieve a unique micro porous structure. The inventive process simplifies the process of making mic...
An apparatus (10) and method (52) for forming ceramic min-media is disclosed. A bottom plate (65) securely holds a reaction column (35) filled with a gel forming solution (50). The reaction column (35) is attached to a slurry chamber (25) that is guided with the four rods (80) in such a way to slide up and down. A s...
The present disclosure relates to boron carbide reinforced silicon carbide composite material. The disclosure also provides a method and means of fabricating silicon carbide-boron carbide composite by reactive melt infiltration by molten silicon metal in which boron carbide is coated with pre-ceramic polymer materia...
Embodiment of the present invention relates to a fibre-reinforced plastic (FRP) composite blank core article (100). The article (100) has an inner most layer (1), an outer most layer (3), and an intermediate layer (2). Further, the inner most layer (1) has a wear resistant material. The outer most layer (3) partly o...
The present invention relates to fused alumina based abrasives having in-situ formed micro reinforcements with self-healing properties at high temperature, and a process for its preparation. In particular, the present invention provides fused alumina based abrasive materials, with alumina as the major phase, and tit...
The present invention is related to a process of making precision shaped sintered alumina abrasive. In particular, the invention pertains to a ‘near net shape’ manufacturing process to shape the sintered alumina abrasive grains which in turn are expected to enhance the performance multifold over conventional...
The present invention discloses a biodegradable non-woven abrasive scouring material comprising a web of entangled fibres, made of synthetic organic fibres incorporated with natural biodegradable polymers during the formation, coated with abrasive formulation and bonded to one another at their mutual contact points ...
A pre-fabricated heat-reflective waterproofing membrane, which does not require skilled technicians for installation, is disclosed. Said membrane broadly comprises: a cementitious waterproofing membrane (1); a heat-reflective coating (2); a pressure-sensitive adhesive (3); and a release liner (4). Said cementitious ...
Please refer to the attachment. Kindly take same on the record.
A Wear Monitoring Device Connected To A Material Transfer System And Defect Detection Method Thereof
Embodiments herein provide a wear monitoring device (4) connected to a material transfer system (3) and wear detection method thereof. The material transfer system (3) includes a first material transfer conduit and a second material transfer conduit. The second material transfer conduit is inside the first material...
The present invention relates to a process for the manufacture of ceramic polymer composites. In particular, the present invention pertains to manufacture of dense ceramic polymer composites using intimate mixing of ceramic and polymers under hot condition, followed by cold sintering.
Figure 1
...
A ceramic coating, for abrasive grains, is disclosed. Said ceramic coating broadly comprises: orthophosphoric acid; alumina powder; aluminium metal powder; and low temperature frit or medium temperature frit. Concentration of said orthophosphoric acid is about 2% by weight. Concentration of said alumina powder is ab...
The present invention relates to a composite electrolyte for solid oxygen fuel cells prepared with 3-8 mol% yttria stabilized zirconia (YSZ) along with 10-30 wt% of gadolinia doped ceria (GDC) and a process for preparing the same. The composite electrolyte was prepared through a specialized process in order to achie...
The present invention relates to a ceramic based hydrothermal resistant catalyst support material and its process for preparing the same. The catalyst support material of the invention is useful in the production of hydrocarbons by Fischer- Tropsch process. In particular, during sulphur recovery in Claus Reactor and...
The present invention relates to a laminated ceramic based composite and a method of producing the same. In the composite of the present invention, two or more ceramic layers of similar or
different grades are sealed using glass as the interfacial layer. In particular, the glass sealant is prepared by slurry castin...
A device for the filtering of water, which is configured to: offer a low fouling tendency; be regenerated and reused, without loss of filtration efficiency; and retain mechanical properties, is disclosed. Said device broadly comprises: an at least a ceramic layer that is associated with an at least a metallic layer....
The present invention provides for a method of preparing N-doped graphene by
mixing a nitrogen source with solid state graphene oxide and reducing the same by
induction assisted thermal treatment.
A method for manufacturing abrasive grade polycrystalline titanium diboride-titanium carbide (TiB2-TiC) composite material is disclosed. The method includes blending titania, diboron trioxide, and graphite flakes to obtain a homogeneous mixture; transferring the mixture into a graphite-lined furnace pot; subjecting ...
ABSTRACT
“HIGH ENTROPY OXIDES AND METHOD OF PREPARATION BY
ELECTRIC ARC FUSION”
5
The present invention provides high entropy oxide (HEO) and a method for
preparing the same by electric arc fusion method. HEO prepared by this invention
may be used in abrasive industry, coated and bonded, blasting abrasive appl...
The present invention relates to a process for densification of ceramic via sequential cold sintering and low temperature conventional sintering. Particularly, the invention relates to achieving a high amount of densification of ceramic materials at low temperature through cold sintering technology followed by furth...
Please refer to the attachment
Please refer the uploaded Specification File
The present invention provides for an add-on panel for a armoured vehicle or any structure of protection like bunker, shield etc for protection against ballistics and a method of preparing the same.
[Figure 2]
Registered Trademarks
[Class : 1] Chemicals For Use In Industry; Silicon Carbide [Raw Material], Silicon Carbide Grains For Use In Polishing And Abrasive Preparations, Ceramics; Ceramic Compositions For Sintering [Granules And Powders]; Unprocessed Synthetic/ Artificial Resins; Cement Preservatives, Water Proofing Chemical Compositions
[Class : 17] Unprocessed And Semi Processed Rubber, Stopping Materials; Adhesive Tapes (Other Than Stationery, Medical Or Household Purposes), Waterproofing Adhesive Tapes, Chemical Compositions For Sealing Leaks, Pads Of Rubber
[Class : 19] Tiles, Ceramic Tiles, Ceramic Tiles With Corrosion And Wear Resistance
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0
26 July 2002
The Western India Trustee & Executor Company Ltd
0
26 December 2000
Standard Chartered Bank
0
05 December 2007
Standard Chartered Bank
0
26 December 2000
Standard Chartered Bank
0
26 November 2007
Hsbc Bank (mauritius) Limited
0
25 June 2008
Hdfc Bank Limited
0
02 March 2009
Idbi Trusteeship Services Limited
0
10 June 2005
State Bank Of India
0
16 March 2001
Standard Chartered Grindlays Bank Ltd.
0
16 July 2012
State Bank Of India
0
24 March 2009
Export-import Bank Of India
0
09 July 2008
State Bank Of India
0
25 June 2008
Hdfc Bank Limited
0
29 March 2008
Industrial Development Bank Of India Limited
0
27 January 2004
State Bank Of India
0
11 September 2006
The Hongkong And Shanghai Banking Corporation Glob
0
28 November 2006
Dbs Bank Limited
0
19 June 2021
Others
0
26 July 2002
The Western India Trustee & Executor Company Ltd
0
26 December 2000
Standard Chartered Bank
0
05 December 2007
Standard Chartered Bank
0
26 December 2000
Standard Chartered Bank
0
26 November 2007
Hsbc Bank (mauritius) Limited
0
25 June 2008
Hdfc Bank Limited
0
02 March 2009
Idbi Trusteeship Services Limited
0
10 June 2005
State Bank Of India
0
16 March 2001
Standard Chartered Grindlays Bank Ltd.
0
16 July 2012
State Bank Of India
0
24 March 2009
Export-import Bank Of India
0
09 July 2008
State Bank Of India
0
25 June 2008
Hdfc Bank Limited
0
29 March 2008
Industrial Development Bank Of India Limited
0
27 January 2004
State Bank Of India
0
11 September 2006
The Hongkong And Shanghai Banking Corporation Glob
0
28 November 2006
Dbs Bank Limited
0
Documents
Form MGT-6-04072024_signed
Optional Attachment-(2)-27062024
Optional Attachment-(3)-27062024
-27062024
Optional Attachment-(1)-27062024
Form MGT-6-28052024_signed
-24052024
Optional Attachment-(1)-24052024
Optional Attachment-(2)-24052024
Form Addendum to AOC-4 CSR-30032024_signed
Form MGT-6-02022024_signed
-31012024
Optional Attachment-(1)-31012024
Optional Attachment-(2)-31012024
Form MGT-6-29122023_signed
Optional Attachment-(1)-27122023
Optional Attachment-(2)-27122023
-27122023
Optional Attachment-(2)-29092023
Optional Attachment-(1)-29092023
Copy of MGT-8-29092023
List of share holders, debenture holders;-29092023
Optional Attachment-(3)-29092023
Form MGT-7-29092023_signed
Form MGT-6-18092023_signed
Form MGT-6-01092023_signed
Form Addendum to AOC-4 CSR-01092023_signed
Statement of subsidiaries as per section 129-Form AOC-1 (To be attached in respect of Foreign subsidiaries)-31082023
XBRL financial statements duly authenticated as per section 134 (including Board's report,auditor's report and other documents)-31082023
Form AOC-4(XBRL)-31082023_signed
