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An Improved Beneficiation Process For Low Grade Iron Ore Fines Of Size Less Than 210 Micron To Produce A Concentrate With <3% Alumina And <2% Silica.
Abstract: An improved beneficiation process for low grade iron ore fines of size less than 210 micron to produce a concentrate with <3% alumina and <2% silica, comprising the steps of:- pre-concentrating a slurry of iron ore fines of size less than 210 microns in a hydro cyclone; Collecting a concentrate of iron ore fines of size greater than 53 microns; mixing the concentrate with water to prepare a slurry; feeding the slurry to the top of a spiral separator with a flow rate of 2to 4m3/hour; and {FIGURE – 8}
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
17 August 2016
Publication Number
08/2018
Publication Type
INA
Invention Field
METALLURGY
Status
Email
lsdavar@ca12.vsnl.net.in
Parent Application
Patent Number
Legal Status
Grant Date
2024-03-11
Renewal Date
Applicants
TATA STEEL LIMITED
Research and Development and Scientific Services Division, Jamshedpur-831001,
State - Jharkhand, India.
Inventors
1. RACHIT TIWARI
C/O. TATA STEEL LIMITED
Research and Development and Scientific Services Division, Jamshedpur-831001,
State - Jharkhand, India.
2. ABHAY SHANKAR PATRA
C/O. TATA STEEL LIMITED
Research and Development and Scientific Services Division, Jamshedpur-831001,
State - Jharkhand, India.
3. PRASHANT DIXIT
C/O. TATA STEEL LIMITED Research and Development and Scientific Services Division, Jamshedpur-831001, State - Jharkhand, India.
4. N.K BHATTACHARJEE
C/O. TATA STEEL LIMITED Research and Development and Scientific Services Division, Jamshedpur-831001, State - Jharkhand, India.
5. ASIM KUMAR MUKHERJEE
C/O. TATA STEEL LIMITED Research and Development and Scientific Services Division, Jamshedpur-831001, State - Jharkhand, India.
Specification
Claims:PLEASE FIND THE ATTACHMENT , Description:PLEASE FIND THE ATTACHMENT
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 201631027980-IntimationOfGrant11-03-2024.pdf | 2024-03-11 |
| 1 | Power of Attorney [17-08-2016(online)].pdf | 2016-08-17 |
| 2 | 201631027980-PatentCertificate11-03-2024.pdf | 2024-03-11 |
| 2 | Form 5 [17-08-2016(online)].pdf | 2016-08-17 |
| 3 | Form 3 [17-08-2016(online)].pdf | 2016-08-17 |
| 3 | 201631027980-FORM-8 [25-01-2024(online)].pdf | 2024-01-25 |
| 4 | Form 20 [17-08-2016(online)].pdf | 2016-08-17 |
| 4 | 201631027980-AMENDED DOCUMENTS [16-05-2023(online)].pdf | 2023-05-16 |
| 5 | Drawing [17-08-2016(online)].pdf | 2016-08-17 |
| 5 | 201631027980-FORM 13 [16-05-2023(online)].pdf | 2023-05-16 |
| 6 | Description(Complete) [17-08-2016(online)].pdf | 2016-08-17 |
| 6 | 201631027980-POA [16-05-2023(online)].pdf | 2023-05-16 |
| 7 | Form 18 [07-09-2016(online)].pdf | 2016-09-07 |
| 7 | 201631027980-RELEVANT DOCUMENTS [16-05-2023(online)].pdf | 2023-05-16 |
| 8 | Other Patent Document [20-01-2017(online)].pdf_83.pdf | 2017-01-20 |
| 8 | 201631027980-FORM-26 [20-03-2023(online)].pdf | 2023-03-20 |
| 9 | 201631027980-Written submissions and relevant documents [20-03-2023(online)].pdf | 2023-03-20 |
| 9 | Other Patent Document [20-01-2017(online)].pdf | 2017-01-20 |
| 10 | 201631027980-Correspondence to notify the Controller [02-03-2023(online)].pdf | 2023-03-02 |
| 10 | 201631027980-FER.pdf | 2019-12-18 |
| 11 | 201631027980-Proof of Right [18-06-2020(online)].pdf | 2020-06-18 |
| 11 | 201631027980-US(14)-HearingNotice-(HearingDate-06-03-2023).pdf | 2023-02-03 |
| 12 | 201631027980-FORM 13 [27-01-2023(online)].pdf | 2023-01-27 |
| 12 | 201631027980-OTHERS [18-06-2020(online)].pdf | 2020-06-18 |
| 13 | 201631027980-FER_SER_REPLY [18-06-2020(online)].pdf | 2020-06-18 |
| 13 | 201631027980-POA [27-01-2023(online)].pdf | 2023-01-27 |
| 14 | 201631027980-DRAWING [18-06-2020(online)].pdf | 2020-06-18 |
| 14 | 201631027980-RELEVANT DOCUMENTS [27-01-2023(online)].pdf | 2023-01-27 |
| 15 | 201631027980-ABSTRACT [18-06-2020(online)].pdf | 2020-06-18 |
| 15 | 201631027980-COMPLETE SPECIFICATION [18-06-2020(online)].pdf | 2020-06-18 |
| 16 | 201631027980-CLAIMS [18-06-2020(online)].pdf | 2020-06-18 |
| 17 | 201631027980-COMPLETE SPECIFICATION [18-06-2020(online)].pdf | 2020-06-18 |
| 17 | 201631027980-ABSTRACT [18-06-2020(online)].pdf | 2020-06-18 |
| 18 | 201631027980-RELEVANT DOCUMENTS [27-01-2023(online)].pdf | 2023-01-27 |
| 18 | 201631027980-DRAWING [18-06-2020(online)].pdf | 2020-06-18 |
| 19 | 201631027980-FER_SER_REPLY [18-06-2020(online)].pdf | 2020-06-18 |
| 19 | 201631027980-POA [27-01-2023(online)].pdf | 2023-01-27 |
| 20 | 201631027980-FORM 13 [27-01-2023(online)].pdf | 2023-01-27 |
| 20 | 201631027980-OTHERS [18-06-2020(online)].pdf | 2020-06-18 |
| 21 | 201631027980-Proof of Right [18-06-2020(online)].pdf | 2020-06-18 |
| 21 | 201631027980-US(14)-HearingNotice-(HearingDate-06-03-2023).pdf | 2023-02-03 |
| 22 | 201631027980-Correspondence to notify the Controller [02-03-2023(online)].pdf | 2023-03-02 |
| 22 | 201631027980-FER.pdf | 2019-12-18 |
| 23 | 201631027980-Written submissions and relevant documents [20-03-2023(online)].pdf | 2023-03-20 |
| 23 | Other Patent Document [20-01-2017(online)].pdf | 2017-01-20 |
| 24 | Other Patent Document [20-01-2017(online)].pdf_83.pdf | 2017-01-20 |
| 24 | 201631027980-FORM-26 [20-03-2023(online)].pdf | 2023-03-20 |
| 25 | Form 18 [07-09-2016(online)].pdf | 2016-09-07 |
| 25 | 201631027980-RELEVANT DOCUMENTS [16-05-2023(online)].pdf | 2023-05-16 |
| 26 | Description(Complete) [17-08-2016(online)].pdf | 2016-08-17 |
| 26 | 201631027980-POA [16-05-2023(online)].pdf | 2023-05-16 |
| 27 | Drawing [17-08-2016(online)].pdf | 2016-08-17 |
| 27 | 201631027980-FORM 13 [16-05-2023(online)].pdf | 2023-05-16 |
| 28 | Form 20 [17-08-2016(online)].pdf | 2016-08-17 |
| 28 | 201631027980-AMENDED DOCUMENTS [16-05-2023(online)].pdf | 2023-05-16 |
| 29 | Form 3 [17-08-2016(online)].pdf | 2016-08-17 |
| 29 | 201631027980-FORM-8 [25-01-2024(online)].pdf | 2024-01-25 |
| 30 | Form 5 [17-08-2016(online)].pdf | 2016-08-17 |
| 30 | 201631027980-PatentCertificate11-03-2024.pdf | 2024-03-11 |
| 31 | 201631027980-IntimationOfGrant11-03-2024.pdf | 2024-03-11 |
| 31 | Power of Attorney [17-08-2016(online)].pdf | 2016-08-17 |
Search Strategy
| 1 | 50SSM_17-12-2019.pdf |