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:
Mar. 25, 1997
Filed:
Sep. 13, 1995
Applicant:
Inventors:
Susan Y Tseng, Staten Island, NY (US);
Jui-Chang Chuang, Wayne, NJ (US);
Philip F Wolf, Bridgewater, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C08L / ;
U.S. Cl.
CPC ...
524555 ; 424486 ; 523340 ; 523346 ;
Abstract
This invention relates to a crosslinked N-vinyl lactam polymer in the form of a stable, homogenized flowable hydrogel having microparticles which can be passed through a screen of between about 40 and about 350 mesh size. The invention also concerns the process for the preparation of the homogenized gel and to its use as a hair and skin conditioner or as a carrier for a cosmetically or pharmaceutically active substance.