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:
Oct. 12, 1993
Filed:
Jul. 20, 1992
Applicant:
Inventors:
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; A61K / ;
U.S. Cl.
CPC ...
5147725 ; 52623823 ; 526261 ; 526264 ;
Abstract
What is described herein is a controlled release, drug-delivery composition which comprises a strongly swellable, moderately crosslinked polyvinylpyrrolidone polymer in the form of fine white powders having a defined aqueous gel volume and Brookfield viscosity which is prepared by precipitation polymerization in the presence of a prescribed amount of crosslinking agent, and an effective amount of a pharmaceutical medicament.
Shih, Jenn. (1993). Controlled release tablets including strongly swellable, moderately (U.S. Patent No. 5252611). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5252611
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile