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:
Jul. 25, 1989
Filed:
Mar. 16, 1987
Applicant:
Inventors:
John Urquhart, Palo Alto, CA (US);
Felix Theeuwes, Los Altos, CA (US);
Assignee:
ALZA Corporation, Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424469 ; 424468 ; 424470 ; 424484 ; 424485 ; 424486 ; 424487 ;
Abstract
A delivery system is disclosed for delivering an agent to a selected environment of use having a pH of greater than 3.5.
Urquhart, John. (1989). System for delivering drug in selected environment of use (U.S. Patent No. 4851231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4851231
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile