Electroplating Compositions With Additives For Zinc Nickel Alloy

Electroplating Compositions With Additives For Zinc Nickel Alloy Coatings And Methods Thereof

Abstract: The present disclosure provides electroplating compositions comprising zinc sulphate, nickel sulphate, nickel chloride, boric acid, and organic additives for depositing zinc-nickel (Zn-Ni) alloy coatings on steel. The disclosure also provides methods for preparing the electroplating compositions and a direct current method for depositing the electroplating compositions on steel substrates. The disclosure further provides steel substrates comprising Zn-Ni alloy coatings. The compositions and methods of the present disclosure provide a higher rate of deposition and coatings with a uniform microstructure and superior corrosion resistance.

Patent Information

Application #

Filing Date

30 September 2022

Publication Number

14/2024

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

TATA STEEL LIMITED

Jamshedpur, 831001, Jharkhand, India

COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH

NEW DELHI-110001

Inventors

1. C.JEYABHARATHI

Electroplating and Metal Finishing Division, CSIR - Central Electrochemical Research Institute, Karaikudi, 630003

2. RAJDEEP MONDAL

C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India.

3. ALEENA GIGI

Electroplating and Metal Finishing Division, CSIR - Central Electrochemical Research Institute, Karaikudi, 630003

4. SUBODH NATH PATEL

C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India.

5. ATANU BANERJEE

C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India.

6. AMAR NATH BHAGAT

C/o Tata Steel Limited, Jamshedpur – 831 001, Jharkhand, India.

Specification

Description:See attached , Claims:See attached

Documents

Application Documents

#	Name	Date
1	202231056365-STATEMENT OF UNDERTAKING (FORM 3) [30-09-2022(online)].pdf	2022-09-30
2	202231056365-REQUEST FOR EXAMINATION (FORM-18) [30-09-2022(online)].pdf	2022-09-30
3	202231056365-FORM 18 [30-09-2022(online)].pdf	2022-09-30
4	202231056365-FORM 1 [30-09-2022(online)].pdf	2022-09-30
5	202231056365-DRAWINGS [30-09-2022(online)].pdf	2022-09-30
6	202231056365-DECLARATION OF INVENTORSHIP (FORM 5) [30-09-2022(online)].pdf	2022-09-30
7	202231056365-COMPLETE SPECIFICATION [30-09-2022(online)].pdf	2022-09-30
8	202231056365-FORM-8 [04-10-2022(online)].pdf	2022-10-04
9	202231056365-Proof of Right [22-11-2022(online)].pdf	2022-11-22
10	202231056365-FORM-26 [23-11-2022(online)].pdf	2022-11-23
11	202231056365-FORM-26 [24-07-2025(online)].pdf	2025-07-24
12	202231056365-FER.pdf	2025-10-16

Search Strategy

1	202231056365_SearchStrategyNew_E_SearchHistoryA18E_15-10-2025.pdf