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. 20, 1989
Filed:
Sep. 16, 1987
Applicant:
Inventors:
Tetsuro Namiki, Ome, JP;
Masayasu Furuse, Sagamihara, JP;
Yoshimitsu Kuroyanagi, Hachiogi, JP;
Teruo Miyata, Tokyo, JP;
Takashi Suzuki, Yokohama, JP;
Assignees:
Koken Co., Ltd., Tokyo, JP;
Shiseido Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08H / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
514 21 ; 252356 ; 424 70 ; 514773 ; 530354 ; 530356 ;
Abstract
This invention relates to a surfactant with less toxicity and irritation against the human body and a production process thereof. The surfactant is produced by the acylation of the side chain amino radicals of collagen or gelatine with an aliphatic acid having 2 to 26 carbon atoms; it is used as an emulsifier and an antiseptic for cosmetics.