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:
Sep. 21, 1976
Filed:
Jul. 03, 1975
Applicant:
Inventor:
Kanu I Patel, Chatsworth, CA (US);
Assignee:
Redken Laboratories, Inc., Van Nuys, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A45D / ;
U.S. Cl.
CPC ...
132-7 ; 812751 ; 424 70 ;
Abstract
A process for cold waving hair includes the step of prebonding the hair by contacting it with both a water soluble polyvalent metal salt and a water soluble reactive polyamide-epichlorohydrin resin.