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:
Apr. 26, 2016
Filed:
Mar. 22, 2013
Applicant:
Perachem Limited, Leeds, GB;
Inventors:
Assignee:
Perachem Limited, Yeadon, Leeds, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); A61K 8/41 (2006.01); A61Q 5/06 (2006.01); A61K 8/46 (2006.01);
U.S. Cl.
CPC ...
A61K 8/416 (2013.01); A61K 8/46 (2013.01); A61Q 5/065 (2013.01); A61Q 5/10 (2013.01); A61K 2800/884 (2013.01);
Abstract
A method of treating a material, the method comprising the steps of: (i) contacting the material with a coloring composition comprising a dye compound; and (ii) contacting the material with a composition comprising a quaternary ammonium salt.