The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2022
Filed:
Sep. 29, 2017
Applicant:
Innospec Limited, Ellesmere Port, GB;
Inventors:
Nicholas John Dixon, Chester, GB;
Matthew Robert Giles, Chester, GB;
Kimberley Elizabeth Griffiths, Denbighshire, GB;
Tony Gough, Chester, GB;
Ian Malcolm McRobbie, Chester, GB;
Assignee:
Innospec Limited, Cheshire, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 8/49 (2006.01); A61K 8/36 (2006.01); A61K 8/41 (2006.01); A61K 8/44 (2006.01); A61K 8/34 (2006.01); A61Q 5/00 (2006.01); A61Q 5/06 (2006.01); D06P 3/14 (2006.01); D06P 5/06 (2006.01);
U.S. Cl.
CPC ...
A61K 8/4913 (2013.01); A61K 8/34 (2013.01); A61K 8/345 (2013.01); A61K 8/361 (2013.01); A61K 8/41 (2013.01); A61K 8/44 (2013.01); A61K 8/494 (2013.01); A61Q 5/004 (2013.01); A61Q 5/06 (2013.01); D06P 3/148 (2013.01); D06P 5/06 (2013.01); A61K 2800/432 (2013.01); A61K 2800/51 (2013.01);
Abstract
A method of combatting colour loss from a dyed material, the method comprising the steps of: (1) contacting the material with a composition comprising an electrophilic species selected from aldehydes, succinimidyl esters, and mixtures thereof; (2) contacting the material with a composition comprising a chelating agent and/or a salt of an amine and/or a carboxylic acid.