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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 5980942 B1

PDFFull Text
Date of Patent:
Nov. 09, 1999

Filed:

Jan. 23, 1998

Zero-order sustained release matrix tablet formulations of carbamazepine

Applicant:
Inventors:

Ifat Katzhendler, Jerusalem, IL;

Michael Friedman, Jerusalem, IL;

Assignee:

Yissum Research Development Company of the Hebrew University of Jerusalem, , IL;

Attorney:

Verny; Hana

Primary Examiner:

Thurman K Page

Assistant Examiner:

Lakshmi Channavajjala

Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424465 ; 424464 ; 424468 ; 424469 ; 424484 ; 424488 ; 424489 ; 424499 ; 424500 ; 424502 ;
Abstract

A zero-order sustained-release delivery system for delivery of carbamazepine. A matrix tablet formulations of carbamazepine comprising hydrophilic polymer gel which inhibits transformation of carbamazepine into carbamazepine dihydrate by causing morphologic changes of carbamazepine crystals and results in amorphous form of carbamazepine present in the polymer matrix.

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Katzhendler, Ifat. (1999). Zero-order sustained release matrix tablet formulations of carbamazepine (U.S. Patent No. 5980942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5980942

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