logo

For the Inventor, By the Inventor

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.:

US 5133974 B1

PDFFull Text
Date of Patent:
Jul. 28, 1992

Filed:

Jan. 24, 1990

Extended release pharmaceutical formulations

Applicant:
Inventors:

George N Paradissis, St. Louis, MO (US);

James A Garegnani, Ballwin, MO (US);

Roy S Whaley, St. Louis, MO (US);

Assignee:

KV Pharmaceutical Company, St. Louis, MO (US);

Attorney:

Roper & Quigg

Primary Examiner:

Thurman K Page

Assistant Examiner:

Robert H Harrison

Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424480 ; 424451 ; 424456 ; 424465 ; 424474 ; 424475 ; 424494 ; 514960 ; 514961 ; 514962 ; 514963 ; 514964 ;
Abstract

An extended release pharmaceutical formulation adapted to approach zero order release of drug over a 12 to at least 24 hour period, comprised of a mixture of 0 to aobut 50% of an immediate release particle containing a drug, inert substrate and binder, coated with talc and up to 100% of an extended release particle comprising the immediate release particle coated with a dissolution modifying system containing plasticizers and a film forming agent.

Find Patent Forward Citations

Paradissis, George. (1992). Extended release pharmaceutical formulations (U.S. Patent No. 5133974). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5133974

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…