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:
Apr. 20, 1993
Filed:
May. 01, 1991
Applicant:
Inventors:
David E Edgren, El Granada, CA (US);
Gurdish K Bhatti, Fremont, CA (US);
Judy A Magruder, Mountain View, CA (US);
Assignee:
Alza Corporation, Palo Alto, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
428473 ; 424472 ; 424468 ;
Abstract
A dosage form is disclosed comprising a first layer and a second layer. The first layer provides immediate therapy and comprises a drug stereoisomer and the second layer provides prolonged therapy and comprises a drug racemate.
Quick Actions:
Edgren, David. (1993). Dosage form providing immediate therapy followed by prolonged therapy (U.S. Patent No. 5204116). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5204116
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile