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:
Jun. 29, 1976
Filed:
Apr. 22, 1974
Kenji Torii, Tokyo, JA;
Tatsuya Ozawa, Chofu, JA;
Kimio Ono, Hidaka, JA;
Koichi Iwabe, Yokohama, JA;
Hiroumi Horikawa, Yokohama, JA;
Shiseido Co., Ltd., Tokyo, JA;
Abstract
A hair-waving composition which comprises (A) at least one main waving agent selected from sulfites and bisulfites and (B) at least one wave accelerating agent selected from alkylene carbonates of the general formula: ##EQU1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each stand independently for hydrogen atom, methyl group, ethyl group, hydroxyethyl group or hydroxy methyl group, alkyl carbamates of the general formula: ##EQU2## wherein R.sub.1, R.sub.2 and R.sub.3 each stand independently for hydrogen atom, methyl group, ethyl group or propyl group, and .gamma.- or .delta.-lactones of the general formula: ##EQU3## wherein R.sub.1, R.sub.2 and R.sub.3 each stand for hydrogen atom or methyl group, and n for an integer of 0 or 1. This composition can set strong permanent waves with greater safety within the pH range of human skin at a low temperature without any unpleasant odor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile