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Carboxymethyl Cellulose Based Polymer As An Organic Binder In Iron Ore Pelletization

Abstract: The present disclosure provides organic binders comprising a copolymer of carboxymethyl cellulose (CMC) with acrylic acid and acrylamide or acrylic acid and methacrylic acid and methods of preparing them. The present disclosure also provides pellet compositions for preparing iron ore pellets comprising bentonite and the organic binders. The present organic binders lower the amount of bentonite added to the pellet composition.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
31 March 2021
Publication Number
46/2022
Publication Type
INA
Invention Field
METALLURGY
Status
Email
ipo@knspartners.com
Parent Application
Patent Number
Legal Status
Grant Date
2024-04-08
Renewal Date

Applicants

TATA STEEL LIMITED
Jamshedpur – 831 001, Jharkhand, India
INDIAN INSTITUTE OF TECHNOLOGY (INDIAN SCHOOL OF MINES)
Dhanbad, Jharkhand India -826004

Inventors

1. BISWAJIT SAHA
C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India
2. ABHAY SHANKAR PATRA
C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India
3. PRIYAPRATIM PATRA
Polymer Chemistry Laboratory, Department of Chemistry, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand India -826004
4. SAGAR PAL
Department of Chemistry, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand India -826004
5. ASIM KUMAR MUKHERJEE
C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India

Specification

Claims:See attached , Description:See attached

Documents

Application Documents

# Name Date
1 202131014760-STATEMENT OF UNDERTAKING (FORM 3) [31-03-2021(online)].pdf 2021-03-31
2 202131014760-REQUEST FOR EXAMINATION (FORM-18) [31-03-2021(online)].pdf 2021-03-31
3 202131014760-FORM-8 [31-03-2021(online)].pdf 2021-03-31
4 202131014760-FORM 18 [31-03-2021(online)].pdf 2021-03-31
5 202131014760-FORM 1 [31-03-2021(online)].pdf 2021-03-31
6 202131014760-DRAWINGS [31-03-2021(online)].pdf 2021-03-31
7 202131014760-DECLARATION OF INVENTORSHIP (FORM 5) [31-03-2021(online)].pdf 2021-03-31
8 202131014760-COMPLETE SPECIFICATION [31-03-2021(online)].pdf 2021-03-31
9 202131014760-Proof of Right [18-06-2021(online)].pdf 2021-06-18
10 202131014760-FORM-26 [18-06-2021(online)].pdf 2021-06-18
11 202131014760-FORM-26 [18-06-2021(online)]-1.pdf 2021-06-18
12 202131014760-FER.pdf 2023-01-17
13 202131014760-Proof of Right [26-06-2023(online)].pdf 2023-06-26
14 202131014760-PETITION UNDER RULE 137 [26-06-2023(online)].pdf 2023-06-26
15 202131014760-FORM-26 [26-06-2023(online)].pdf 2023-06-26
16 202131014760-FORM-26 [26-06-2023(online)]-1.pdf 2023-06-26
17 202131014760-OTHERS [27-06-2023(online)].pdf 2023-06-27
18 202131014760-FER_SER_REPLY [27-06-2023(online)].pdf 2023-06-27
19 202131014760-CLAIMS [27-06-2023(online)].pdf 2023-06-27
20 202131014760-PatentCertificate08-04-2024.pdf 2024-04-08
21 202131014760-IntimationOfGrant08-04-2024.pdf 2024-04-08
22 202131014760-FORM 4 [23-08-2024(online)].pdf 2024-08-23
23 202131014760-FORM 4 [18-04-2025(online)].pdf 2025-04-18

Search Strategy

1 202131014760E_12-01-2023.pdf

ERegister / Renewals

3rd: 28 Aug 2024

From 31/03/2023 - To 31/03/2024

4th: 28 Aug 2024

From 31/03/2024 - To 31/03/2025

5th: 18 Apr 2025

From 31/03/2025 - To 31/03/2026