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:
Aug. 26, 2025
Filed:
Apr. 26, 2018
Applicant:
The Procter & Gamble Company, Cincinnati, OH (US);
Inventors:
Guiru Zhang, Lebanon, OH (US);
Stephanie Lee Davis, Liberty Township, OH (US);
Bryan Patrick Murphy, Loveland, OH (US);
David Salloum, West Chester, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61Q 9/04 (2006.01); A61K 8/49 (2006.01); A61Q 5/04 (2006.01); C07D 213/20 (2006.01); C07D 213/32 (2006.01); C07D 213/34 (2006.01); C07D 213/42 (2006.01); C07D 213/74 (2006.01);
U.S. Cl.
CPC ...
C07D 213/42 (2013.01); A61K 8/4926 (2013.01); A61Q 5/04 (2013.01); A61Q 9/04 (2013.01); C07D 213/32 (2013.01); C07D 213/34 (2013.01); C07D 213/74 (2013.01); C07D 213/20 (2013.01);
Abstract
Described herein is a chemical class of odorless thiols which can serve as reducing agents. This chemical class involves thiols which can be used as reducing agents for permanent styling treatments, depilatory compositions and other applications. The odorless thiols are thiols having a heterocyclic quaternary ammonium salt in their molecule.