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A Process For Beneficiating A High Silica, Alumina And Aluminosilicate Iron Ore Fines And Their Combination(s)
Abstract: The present invention relates to a process to beneficiate high silica and/or alumina and/or aluminosilicate iron ore fines, comprising a two stage pre-concentration of iron ore slurry in a pre-concentration unit to separate coarser iron ore particles from ultra fine feed iron ore slurry and collecting the underflow; flotation of the underflow in a flotation cell using selective collecting agents and collecting the concentrate for further use.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
12 March 2014
Publication Number
35/2016
Publication Type
INA
Invention Field
METALLURGY
Status
Email
lsdavar@ca12.vsnl.net.in
Parent Application
Patent Number
Legal Status
Grant Date
2021-11-26
Renewal Date
Applicants
TATA STEEL LIMITED
Research and Development and Scientific Services Division, Jamshedpur-831001,India
Inventors
1. N GURULAXMI SRIKAKULAPU
C/o TATA STEEL LIMITED, R&D AND SS DIVISION, JAMSHEDPUR – 831001, India
2. ASIM KUMAR MUKHERJEE
C/o TATA STEEL LIMITED, R&D AND SS DIVISION, JAMSHEDPUR – 831001, India
3. PRADIP KUMAR BANERJEE
C/o TATA STEEL LIMITED, R&D AND SS DIVISION, JAMSHEDPUR – 831001, India
Specification
CLIAMS:Please find the attached file ,TagSPECI:Please find the attached file
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | GPA.pdf | 2014-03-12 |
| 2 | F3.pdf | 2014-03-12 |
| 3 | F2.pdf | 2014-03-12 |
| 4 | DW.pdf | 2014-03-12 |
| 5 | Form-18(Online).pdf | 2014-05-05 |
| 6 | 284-KOL-2014-FER.pdf | 2019-01-24 |
| 7 | 284-KOL-2014-OTHERS [23-07-2019(online)].pdf | 2019-07-23 |
| 8 | 284-KOL-2014-FER_SER_REPLY [23-07-2019(online)].pdf | 2019-07-23 |
| 9 | 284-KOL-2014-DRAWING [23-07-2019(online)].pdf | 2019-07-23 |
| 10 | 284-KOL-2014-CLAIMS [23-07-2019(online)].pdf | 2019-07-23 |
| 11 | 284-KOL-2014-Correspondence to notify the Controller [16-06-2021(online)].pdf | 2021-06-16 |
| 12 | 284-KOL-2014-Correspondence to notify the Controller [15-09-2021(online)].pdf | 2021-09-15 |
| 13 | 284-KOL-2014-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [16-09-2021(online)].pdf | 2021-09-16 |
| 14 | 284-KOL-2014-FORM-26 [17-09-2021(online)].pdf | 2021-09-17 |
| 15 | 284-KOL-2014-US(14)-HearingNotice-(HearingDate-18-06-2021).pdf | 2021-10-03 |
| 16 | 284-KOL-2014-US(14)-ExtendedHearingNotice-(HearingDate-20-10-2021).pdf | 2021-10-03 |
| 17 | 284-KOL-2014-US(14)-ExtendedHearingNotice-(HearingDate-16-09-2021).pdf | 2021-10-03 |
| 18 | 284-KOL-2014-Correspondence to notify the Controller [18-10-2021(online)].pdf | 2021-10-18 |
| 19 | 284-KOL-2014-Written submissions and relevant documents [03-11-2021(online)].pdf | 2021-11-03 |
| 20 | 284-KOL-2014-PETITION UNDER RULE 137 [03-11-2021(online)].pdf | 2021-11-03 |
| 21 | 284-KOL-2014-MARKED COPIES OF AMENDEMENTS [24-11-2021(online)].pdf | 2021-11-24 |
| 22 | 284-KOL-2014-FORM 13 [24-11-2021(online)].pdf | 2021-11-24 |
| 23 | 284-KOL-2014-AMMENDED DOCUMENTS [24-11-2021(online)].pdf | 2021-11-24 |
| 24 | 284-KOL-2014-Further Evidence [25-11-2021(online)].pdf | 2021-11-25 |
| 25 | 284-KOL-2014-PatentCertificate26-11-2021.pdf | 2021-11-26 |
| 26 | 284-KOL-2014-IntimationOfGrant26-11-2021.pdf | 2021-11-26 |
| 27 | 284-KOL-2014-PROOF OF ALTERATION [23-02-2023(online)].pdf | 2023-02-23 |
| 27 | 284-KOL-2014-IntimationOfGrant26-11-2021.pdf | 2021-11-26 |
| 28 | 284-KOL-2014-Response to office action [22-05-2023(online)].pdf | 2023-05-22 |
| 28 | 284-KOL-2014-PROOF OF ALTERATION [23-02-2023(online)].pdf | 2023-02-23 |
| 29 | 284-KOL-2014-Response to office action [22-05-2023(online)].pdf | 2023-05-22 |
| 29 | 284-KOL-2014-13-09-2023-POWER OF ATTORNEY.pdf | 2023-09-13 |
| 30 | 284-KOL-2014-13-09-2023-FORM-27.pdf | 2023-09-13 |
| 30 | 284-KOL-2014-13-09-2023-POWER OF ATTORNEY.pdf | 2023-09-13 |
| 31 | 284-KOL-2014-13-09-2023-CORRESPONDENCE.pdf | 2023-09-13 |
| 31 | 284-KOL-2014-13-09-2023-FORM-27.pdf | 2023-09-13 |
| 32 | 284-KOL-2014-13-09-2023-CORRESPONDENCE.pdf | 2023-09-13 |
Search Strategy
| 1 | SearchStrategy284KOL2014_18-12-2018.pdf |