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:
Dec. 28, 1999
Filed:
Sep. 03, 1998
Applicant:
Inventors:
Janusz Jachowicz, Bethel, CT (US);
Bruce C Locke, Easton, PA (US);
Ratan K Chaudhuri, Lincoln Park, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546242 ; 546244 ; 546246 ; 8442 ;
Abstract
Piperidine antioxidants and compositions therewith for preventing the fading of artificial hair dye are described herein.