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:
Dec. 05, 2000
Filed:
May. 26, 1998
Applicant:
Inventors:
Mongkol Sriwongjanya, Davie, FL (US);
Timothy Weng, Plantation, FL (US);
Joseph Chou, Coral Springs, FL (US);
Chih-Ming Chen, Davie, FL (US);
Assignee:
Andex Pharmaceuticals, Inc., Fort Lauderdale, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424473 ; 424464 ; 424474 ; 424489 ;
Abstract
A controlled release dosage form for an analgesic that does not contain an expanding polymer and comprising a core containing the analgesic, preferably tramadol or it pharmaceutically acceptable deviates and a semipermeable membrane coating the core.