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:
Nov. 24, 1992
Filed:
Jul. 16, 1991
Edward T Borish, Mahwah, NJ (US);
Helene Curtis, Inc., Chicago, IL (US);
Abstract
A new and improved cysteinamide reducing agent, such as cysteinamide hydrochloride, capable of breaking sulfur to sulfur cystine bonds in human hair for use in permanent wave and hair straightening compositions, to provide additional set retention in hair sprays, styling aids, mousse and hair bodifying compositions, and to provide the hair with additional body when incorporated into shampoos, conditioners and conditioning shampoo compositions. In one embodiment, the cysteinamide reducing agent compounds are used for the reducing agent in permanent waving of human hair in the form of a mild alkaline permanent wave reducing composition and in a method of permanently waving or reshaping human hair that provides a strong, long lasting curl.