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Highly Pure Monoclinic Zirconia And A Process For Its Preparation From Zircon
Abstract: 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 below the limit of control, and a process for its preparation.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
06 April 2018
Publication Number
41/2019
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2023-12-12
Renewal Date
Applicants
Carborundum Universal Limited
P B No 1, Kalamassery Development Plot P O, Ernakulam
Inventors
1. SADASIVAN NAIR, Sivakumar
'Sumi', TC 36/612, DESRA-11, Perunthanni, Vallakadavu P.O., Thiruvananthapuram-695008
2. HARIKRISHNAN, Uma
'Vaiharam', RVCARA-8, Thevally. P.O., Kollam - 691009
3. PONNARASSERY SUKUMARAN, Jayan
KRSNA, 153 Alfia Nagar, Cochin University P O, Ernakulam - 682022
Specification
DESC:Please see the attachments. ,CLAIMS:Please see the attachments.
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201841013205-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [06-04-2018(online)].pdf | 2018-04-06 |
| 2 | 201841013205-STATEMENT OF UNDERTAKING (FORM 3) [06-04-2018(online)].pdf | 2018-04-06 |
| 3 | 201841013205-PROVISIONAL SPECIFICATION [06-04-2018(online)].pdf | 2018-04-06 |
| 4 | 201841013205-FORM 1 [06-04-2018(online)].pdf | 2018-04-06 |
| 5 | 201841013205-DRAWINGS [06-04-2018(online)].pdf | 2018-04-06 |
| 6 | 201841013205-FORM-26 [20-06-2018(online)].pdf | 2018-06-20 |
| 7 | Correspondence by Agent_Power of Attorney_22-06-2018.pdf | 2018-06-22 |
| 8 | 201841013205-DRAWING [03-04-2019(online)].pdf | 2019-04-03 |
| 9 | 201841013205-CORRESPONDENCE-OTHERS [03-04-2019(online)].pdf | 2019-04-03 |
| 10 | 201841013205-COMPLETE SPECIFICATION [03-04-2019(online)].pdf | 2019-04-03 |
| 11 | 201841013205-ENDORSEMENT BY INVENTORS [04-04-2019(online)].pdf | 2019-04-04 |
| 12 | 201841013205-FORM 18 [05-04-2019(online)].pdf | 2019-04-05 |
| 13 | 201841013205 Correspondence by Office_Atomic_13-10-2021.pdf | 2021-10-13 |
| 14 | 201841013205-FER.pdf | 2022-07-29 |
| 15 | 201841013205-OTHERS [28-01-2023(online)].pdf | 2023-01-28 |
| 16 | 201841013205-FER_SER_REPLY [28-01-2023(online)].pdf | 2023-01-28 |
| 17 | 201841013205-CLAIMS [28-01-2023(online)].pdf | 2023-01-28 |
| 18 | 201841013205-Proof of Right [30-01-2023(online)].pdf | 2023-01-30 |
| 19 | 201841013205-PETITION UNDER RULE 137 [30-01-2023(online)].pdf | 2023-01-30 |
| 20 | 201841013205 Reply from DAE.pdf | 2023-08-01 |
| 21 | 201841013205-Retyped Pages under Rule 14(1) [11-12-2023(online)].pdf | 2023-12-11 |
| 22 | 201841013205-Response to office action [11-12-2023(online)].pdf | 2023-12-11 |
| 23 | 201841013205-2. Marked Copy under Rule 14(2) [11-12-2023(online)].pdf | 2023-12-11 |
| 24 | 201841013205-PatentCertificate12-12-2023.pdf | 2023-12-12 |
| 25 | 201841013205-IntimationOfGrant12-12-2023.pdf | 2023-12-12 |
Search Strategy
| 1 | SearchE_27-07-2022.pdf |