IP Library Granted Patent US 12,534,850
Granted Patent B2
US 12,534,850 · App. 16/468,571 · Granted Jan 27, 2026

Color stable treated fabric and method of making the same

Inventors: David L. Frattarelli (Collegeville, PA); Kevin B. Vargo (Collegeville, PA); Yunfei Yan (Shanghai, CN)
D06M16/00A01N25/10A01N59/16D06M15/3562
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Quick Facts
Patent No.
US 12,534,850
App. No.
16/468,571
Granted
Jan 27, 2026
Kind
B2
Abstract

The present invention relates to a color stable treated fabric and the method for making the same.

Claims (31)

1 . A transition metal-polymer complex treated article comprising:

a first polymer comprising

polymerized units of a monomer X, wherein the monomer X is vinylimidazole, and polymerized units of a monomer Y, wherein the monomer Y is at least one ester of polymerized units of ethylene oxide, and

a second polymer comprising

polymerized units of the monomer X and polymerized units of a monomer Z, wherein the monomer Z is a non-heterocyclic saturated compound selected from acrylic acid, (meth)acrylic acid, ethyl acrylate, butyl acrylate and combinations thereof, and

a transition metal, wherein the transition metal is silver ion;

wherein the molar ratio of monomer X to transition metal is from 24:1 to 117:1, said molar ratio being calculated based on the total amount of monomer X from all monomer X sources combined with the transition metal.

2 . The treated article of claim 1 , wherein the treated article is a fiber or fabric.

3 . The treated article of claim 1 wherein the molar ratio of monomer X to transition metal is from 31:1 to 117:1.

4 . The treated article of claim 1 wherein the treated article is a fabric chosen from cotton, nylon, polyester, and combinations thereof.

5 . A method for treating a fiber or fabric comprising:

a) providing a fiber or fabric;

b) providing a transition metal-polymer complex solution comprising:

a first polymer comprising

polymerized units of a monomer X, wherein the monomer X is vinylimidazole, and polymerized units of a monomer Y, wherein the monomer Y is at least one ester of polymerized units of ethylene oxide, and

a second polymer comprising

polymerized units of the monomer X and polymerized units of a monomer Z, wherein the monomer Z is a non-heterocyclic saturated compound selected from acrylic acid, (meth)acrylic acid, ethyl acrylate, butyl acrylate and combinations thereof, and

a transition metal, wherein the transition metal is silver ion,

wherein the molar ratio of monomer X to transition metal is from 24:1 to 117:1, said molar ratio being calculated based on the total amount of monomer X from all monomer X sources combined with the transition metal; and

c) contacting the fiber or fabric with the transition metal-polymer complex solution.

6 . The method of claim 5 , wherein the molar ratio of monomer X to silver ion is from 31:1 to 117:1.

7 . The treated article of claim 1 , wherein the first polymer comprises from 60 to 90 wt % of polymerized units of the monomer X and from 10 to 40 wt % of polymerized units of the monomer Y.

8 . The treated article of claim 7 , wherein the treated article is a fabric chosen from cotton, nylon, polyester, and combinations thereof.

9 . The method of claim 5 , wherein the first polymer comprises from 60 to 90 wt % of polymerized units of the monomer X and from 10 to 40 wt % of polymerized units of the monomer Y.

10 . The method of claim 9 , wherein the fabric is chosen from cotton, nylon, polyester, and combinations thereof.

11 . The treated article of claim 1 , wherein the ester of polymerized units of ethylene oxide is at least one (meth)acryloyl ester.

12 . The treated article of claim 11 , wherein the ethylene oxide is in a mixture with propylene oxide, wherein residues of ethylene oxide constitute at least 50 wt % based on the total weight of residues of the mixture.

13 . The method of claim 5 , wherein the ester of polymerized units of ethylene oxide is at least one (meth)acryloyl ester.

14 . The method of claim 13 , wherein the ethylene oxide is in a mixture with propylene oxide, wherein residues of ethylene oxide constitute at least 50 wt % based on the total weight of residues of the mixture.

15 . The treated article of claim 1 wherein the molar ratio of monomer X to transition metal is from 24:1 to 61:1.

16 . The method of claim 5 wherein the molar ratio of monomer X to transition metal is from 24:1 to 61:1.

Assignments (13)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 5, 2025
From: MC (US) 3 LLC
To: LANXESS CORPORATION
Reel/Frame 073868/0541 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 5, 2025
From: NUTRITION & BIOSCIENCES USA 2, LLC
To: LANXESS CORPORATION
Reel/Frame 073868/0605 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2023
From: YAN, YUNFEI
To: DOW CHEMICAL (CHINA) INVESTMENT COMPANY LIMITED
Reel/Frame 063601/0086 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2023
From: FRATTARELLI, DAVID L.
To: ROHM AND HAAS COMPANY
Reel/Frame 063648/0542 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 28, 2023
From: DOW CHEMICAL (CHINA) INVESTMENT COMPANY LIMITED
To: THE DOW CHEMICAL COMPANY
Reel/Frame 063138/0970 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 28, 2023
From: VARGO, KEVIN B.
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 063361/0251 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 18, 2022
From: NUTRITION & BIOSCIENCES USA 1, LLC
To: MC (US) 3 LLC
Reel/Frame 061964/0771 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2021
From: ROHM AND HAAS COMPANY
To: DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLC
Reel/Frame 054928/0191 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2021
From: DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLC
To: NUTRITION & BIOSCIENCES USA 2, LLC
Reel/Frame 054928/0289 →
CHANGE OF LEGAL ENTITY Recorded Nov 28, 2020
From: DDP SPECIALTY ELECTRONIC MATERIALS US, INC.
To: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC.
Reel/Frame 054530/0384 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 28, 2020
From: DOW GLOBAL TECHNOLOGIES LLC
To: THE DOW CHEMICAL COMPANY
Reel/Frame 054531/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 28, 2020
From: THE DOW CHEMICAL COMPANY
To: DDP SPECIALTY ELECTRONIC MATERIALS US, INC.
Reel/Frame 054533/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 28, 2020
From: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC.
To: NUTRITION & BIOSCIENCES USA 1, LLC
Reel/Frame 054533/0575 →