Pyromellitic Dianhydride (Pmda) Based Polymers And Coatings Thereof

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Pyromellitic Dianhydride (Pmda) Based Polymers And Coatings Thereof For Imparting Corrosion Resistance To Metal Substrate

Abstract: “PYROMELLITIC DIANHYDRIDE (PMDA) BASED POLYMERS AND COATINGS THEREOF FOR IMPARTING CORROSION RESISTANCE TO METAL SUBSTRATE” ABSTRACT 5 The present disclosure relates to pyromellitic dianhydride (PMDA) based polymers and corresponding coatings for imparting corrosion resistance to metal substrates including steel. The present polymers are low-cost, eco-friendly and sustainable metal free anti-corrosive coating materials containing high N-content, and show desired anti-corrosion properties when 10 applied to metal substrates such as GI steel. The disclosure also provides synthesis of said PMDA based polymer coatings on metal substrate such as GI steel and metal substrate obtained therefrom.

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Notices, Deadlines & Correspondence

Patent Information

Application #

Filing Date

30 March 2024

Publication Number

40/2025

Publication Type

INA

Invention Field

POLYMER TECHNOLOGY

Status

Email

Parent Application

Applicants

TATA STEEL LIMITED

Jamshedpur Jharkhand India 831001

INDIAN INSTITUTE OF TECHNOLOGY BHUBANESWAR

Khordha Odisha India 752050

Inventors

1. Mausumi Ray

C/o Tata Steel Ltd. Jamshedpur Jharkhand India 831001

2. Apurba Maity

C/o Tata Steel Ltd. Jamshedpur Jharkhand India 831001

3. Kuntal Sarkar

C/o Tata Steel Ltd. Jamshedpur Jharkhand India 831001

4. Suryakanta Nayak

C/o Tata Steel Ltd. Jamshedpur Jharkhand India 831001

5. Tapan Kumar Rout

C/o Tata Steel Ltd. Jamshedpur Jharkhand India 831001

6. Amar Nath Bhagat

C/o Tata Steel Ltd. Jamshedpur Jharkhand India 831001

7. Anoop Kumar Kushwaha

School of Basic Sciences, Indian Institute of Technology, Bhubaneswar, Argul Khordha Odisha India PIN - 752050

8. Mihir Ranjan Sahoo

School of Basic Sciences, Indian Institute of Technology, Bhubaneswar, Argul Khordha Odisha India PIN - 752050

9. Debashish Das

School of Basic Sciences, Indian Institute of Technology, Bhubaneswar, Argul Khordha Odisha India PIN - 752050

10. Saroj Kumar Nayak

School of Basic Sciences, Indian Institute of Technology, Bhubaneswar, Argul Khordha Odisha India PIN - 752050

Specification

Description:AS FILED PDF DOCUMENTS , Claims:AS FILED PDF DOCUMENTS

Documents

Application Documents

#	Name	Date
1	202431026465-STATEMENT OF UNDERTAKING (FORM 3) [30-03-2024(online)].pdf	2024-03-30
2	202431026465-REQUEST FOR EXAMINATION (FORM-18) [30-03-2024(online)].pdf	2024-03-30
3	202431026465-POWER OF AUTHORITY [30-03-2024(online)].pdf	2024-03-30
4	202431026465-FORM 18 [30-03-2024(online)].pdf	2024-03-30
5	202431026465-FORM 1 [30-03-2024(online)].pdf	2024-03-30
6	202431026465-DRAWINGS [30-03-2024(online)].pdf	2024-03-30
7	202431026465-DECLARATION OF INVENTORSHIP (FORM 5) [30-03-2024(online)].pdf	2024-03-30
8	202431026465-COMPLETE SPECIFICATION [30-03-2024(online)].pdf	2024-03-30
9	202431026465-Proof of Right [08-04-2024(online)].pdf	2024-04-08
10	202431026465-FORM-26 [08-04-2024(online)].pdf	2024-04-08
11	202431026465-FORM-8 [24-04-2024(online)].pdf	2024-04-24
12	202431026465-FORM-26 [16-05-2025(online)].pdf	2025-05-16