IP Library Granted Patent US 9,074,315
Granted Patent B2
US 9,074,315 · App. 12/863,960 · Granted Jul 7, 2015

Composition and a process to obtain wrinkle free woolen garments

Inventor: Debashis Bhadra (Bangalore, IN)
Assignee: Aditya Birla Nuvo Limited
D06M15/15D06M15/564D06M15/568D06M15/705D06M23/06
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Quick Facts
Patent No.
US 9,074,315
App. No.
12/863,960
Granted
Jul 7, 2015
Kind
B2
Abstract

The present disclosure relates to a composition comprising cross linking agents, polymers, proteins and alkaline reducing agents to obtain wrinkle free woolen garment. The present disclosure further relates to a method of obtaining said composition along with a process of obtaining the wrinkle free woolen garment. The disclosure also relates to the treated garment.

Claims (16)

1. A composition consisting of cross linking agent selected from the group consisting of epoxy-functional polyacrylate and polyethylenimine, polymer, L-cystine, alkaline reducing agent, and water.

2. The composition as claimed in claim 1 , wherein the composition is maintained at a pH ranging from about 8.5 to about 10.5.

3. The composition as claimed in claim 1 , wherein each of the cross linking agent and polymer are present at a concentration ranging from about 4% to about 6%, the L-cystine is present at a concentration ranging from about 0.5% to about 1.5% and the alkaline reducing agent is present at concentration ranging from about 2% to about 4% of total volume of the composition.

4. The composition as claimed in claim 1 , wherein the polymer is selected from the group consisting of polyurethane, polyether polyurethane polymer and polyethylene adipate based hydrophilic polyurethane, and wherein the alkaline reducing agent is selected from the group consisting sodium bisulfite, sodium meta bisulfite and sodium mono ethylamine sulfite.

5. The composition as claimed in claim 1 , wherein the composition is formulated into solid forms selected from the group consisting of powder and granule, and liquid forms selected from the group consisting of emulsion, suspension and aerosol using water.

6. A composition as claimed in claim 1 , wherein the composition is loaded on a garment.

7. A method to obtain a composition consisting of cross linking agent selected from the group consisting of epoxy-functional polyacrylate and polyethylenimine, polymer, L-cystine, alkaline reducing agent, and water, said method comprising the step of combining cross linking agent selected from the group consisting of epoxy-functional polyacrylate and polyethylenimine, polymer, L-cystine, and alkaline reducing agent in water to obtain the composition.

8. The method as claimed in claim 7 , wherein the composition is maintained at a pH ranging from about 8.5 to about 10.5, and wherein the pH maintenance of composition generates foam which settles in a time period of about 5 minutes to 10 minutes followed by filtration to obtain the composition.

9. The method as claimed in claim 7 , wherein the composition is obtained by combining each of the cross linking agent and the polymer in individual concentration ranging from about 4% to about 6%, L-cystine in a concentration ranging from about 0.5% to about 1.5% and alkaline reducing agent in a concentration ranging from about 2% to about 4% of total volume of the composition.

10. A method for obtaining a wrinkle free garment, said method comprising step of loading a garment with a composition consisting of cross linking agent selected from the group consisting of epoxy-functional polyacrylate and polyethylenimine, polymer, L-cystine, alkaline reducing agent, and water to obtain the wrinkle free garment.

11. The method as claimed in claim 10 , wherein the composition is maintained at a pH ranging from about 8.5 to about 10.5.

12. A method for obtaining wrinkle free garment, said method comprising steps of:

a. loading a garment obtained from pre-treated fabric with a composition consisting of cross linking agent selected from the group consisting of epoxy-functional polyacrylate and polyethylenimine, polymer, L-cystine, alkaline reducing agent, and water, and

b. treating the loaded garment to obtain the wrinkle free garment.

13. The method as claimed in claim 12 , wherein the composition is maintained at a pH ranging from about 8.5 to about 10.5, and wherein the pre-treatment of the fabric is carried out by chlorination.

14. The method as claimed in claim 12 , wherein the treatment comprises steps of drying, pressing, curing, neutralization and oxidation of the loaded garment, and wherein the curing is carried out at temperature ranging from about 155° C. to about 165° C.

Assignments (4)
MERGER Recorded Oct 25, 2017
From: ADITYA BIRLA NUVO LIMITED; MADURA GARMENTS LIFESTYLE RETAIL COMPANY LIMITED
To: PANTALOONS FASHION & RETAIL LIMITED
Reel/Frame 044292/0881 →
COURT ORDER Recorded Oct 25, 2017
From: ADITYA BIRLA NUVO LIMITED
To: MADURA GARMENTS LIFESTYLE RETAIL COMPANY LIMITED
Reel/Frame 044294/0440 →
CHANGE OF NAME Recorded Oct 25, 2017
From: PANTALOONS FASHION & RETAIL LIMITED
To: ADITYA BIRLA FASHION AND RETAIL LIMITED
Reel/Frame 044580/0007 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 4, 2011
From: BHADRA, DEBASHIS
To: ADITYA BIRLA NUVO LIMITED
Reel/Frame 025581/0420 →
Continuity (1)
Related Publication 20110138515A1 · Jun 16, 2011