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:
May. 17, 1994
Filed:
Apr. 30, 1992
Applicant:
Inventors:
Jenn S Shih, Paramus, NJ (US);
John J Merianos, Middletown, NJ (US);
Terry E Smith, Morristown, NJ (US);
Jui-Chang Chuang, Wayne, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 7825 ; 5147725 ;
Abstract
A free-flowing, fine white powder of a substantially aqueous stable complex of a strongly swellable, moderately crosslinked polyvinylpyrrolidone (PVP) having an aqueous gel volume of about 15 to 150 ml/g of PVP and a Brookfield viscosity in 5% aqueous solution of at least about 10,000 cps, and H.sub.2 O.sub.2, in substantially a 1:1 molar ratio of said constituents.