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. 12, 2016
Filed:
Oct. 25, 2013
Applicant:
The Procter & Gamble Company, Cincinnati, OH (US);
Inventors:
John Michael Gardlik, Cincinnati, OH (US);
Monica Jo Patten, West Chester, OH (US);
Garry Steven Garrett, Fairfield, OH (US);
Bryan Patrick Murphy, Loveland, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/00 (2006.01); C07C 213/02 (2006.01); C07C 213/00 (2006.01); C07C 213/06 (2006.01);
U.S. Cl.
CPC ...
C07C 213/02 (2013.01); C07C 213/00 (2013.01); C07C 213/06 (2013.01);
Abstract
A process has been developed for preparing 2-methoxymethyl-1,4-benzenediamine (IV-a), other compounds of formula (IV), and the salts thereof, all of which may be used as primary intermediates in compositions for dyeing keratin fibers.