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A Method Of Making Microcrystalline Sintered Alumina Abrasives
Abstract: 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 microstructure of the new sintered alumina abrasive can be tailored suitably to enhance the performance of the abrasive phenomenally.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
30 March 2016
Publication Number
40/2017
Publication Type
INA
Invention Field
METALLURGY
Status
Email
patent@depenning.com
Parent Application
Patent Number
Legal Status
Grant Date
2024-01-23
Renewal Date
Applicants
Carborundum Universal Limited
of Parry House, 6th Floor, No: 43, Moore Street, Chennai 600 001, Tamilnadu, India
Inventors
1. Premanshu Jana
of Pyanadth House, Ambattukavu, Thaikattukara P.O., Aluva-683106, Ernakulam, India
2. Ashok Kumar Jyothiraj
of Jyothis, Haritha Hardens, HMT Colony PO, Ernakulam-683503, India
3. Ponnarassery Sukumaran Jayan
of KRSNA, 153 Alfia Nagar, Cochin University P O, Ernakulam -683109, India
Specification
SOFT COPY ATTACHED IN PDF FILE
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | Power of Attorney [30-03-2016(online)].pdf | 2016-03-30 |
| 2 | Form 3 [30-03-2016(online)].pdf | 2016-03-30 |
| 3 | Form 1 [30-03-2016(online)].pdf | 2016-03-30 |
| 4 | Drawing [30-03-2016(online)].pdf | 2016-03-30 |
| 5 | Description(Complete) [30-03-2016(online)].pdf | 2016-03-30 |
| 6 | Other Patent Document [30-09-2016(online)].pdf | 2016-09-30 |
| 7 | 201641010995-FORM 18 [18-11-2019(online)].pdf | 2019-11-18 |
| 8 | 201641010995-FER.pdf | 2021-10-17 |
| 9 | 201641010995-OTHERS [08-12-2021(online)].pdf | 2021-12-08 |
| 10 | 201641010995-FORM-26 [08-12-2021(online)].pdf | 2021-12-08 |
| 11 | 201641010995-FER_SER_REPLY [08-12-2021(online)].pdf | 2021-12-08 |
| 12 | 201641010995-DRAWING [08-12-2021(online)].pdf | 2021-12-08 |
| 13 | 201641010995-CLAIMS [08-12-2021(online)].pdf | 2021-12-08 |
| 14 | 201641010995-ABSTRACT [08-12-2021(online)].pdf | 2021-12-08 |
| 15 | 201641010995-Correspondence_Proof of Right (Form 1)_12-05-2022.pdf | 2022-05-12 |
| 16 | 201641010995-US(14)-HearingNotice-(HearingDate-14-12-2023).pdf | 2023-11-14 |
| 17 | 201641010995-FORM-26 [11-12-2023(online)].pdf | 2023-12-11 |
| 18 | 201641010995-Correspondence to notify the Controller [11-12-2023(online)].pdf | 2023-12-11 |
| 19 | 201641010995-Written submissions and relevant documents [29-12-2023(online)].pdf | 2023-12-29 |
| 20 | 201641010995-Retyped Pages under Rule 14(1) [29-12-2023(online)].pdf | 2023-12-29 |
| 21 | 201641010995-2. Marked Copy under Rule 14(2) [29-12-2023(online)].pdf | 2023-12-29 |
| 22 | 201641010995-PatentCertificate23-01-2024.pdf | 2024-01-23 |
| 23 | 201641010995-IntimationOfGrant23-01-2024.pdf | 2024-01-23 |
Search Strategy
| 1 | 299SSME_04-06-2021.pdf |