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:
Oct. 04, 2005
Filed:
Jul. 12, 2004
Mu-ill Lim, Trumbull, CT (US);
Yuh-guo Pan, Stamford, CT (US);
Mu-Ill Lim, Trumbull, CT (US);
Yuh-Guo Pan, Stamford, CT (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
Primary intermediates for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1):where Rand Rare each individually selected from a hydrogen atom, a Cto Calkyl group, a Cto Cmono or dihydroxyalkyl group; phenyl or benzyl optionally substituted with an alkoxy group, or Rand Rtogether with the nitrogen atom to which they are attached form a piperazine, piperidine, imidazole, or morpholine ring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile