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. 15, 1998
Filed:
Sep. 27, 1996
Applicant:
Inventors:
David L Berliner, Atherton, CA (US);
Sergio Nacht, Redwood City, CA (US);
Assignee:
Advanced Polymer Systems, Inc., Redwood City, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424463 ; 424451 ; 424456 ; 424463 ; 424464 ; 424469 ; 424474 ; 424475 ; 424479 ; 424482 ;
Abstract
Diseases of the colon are treated by oral ingestion of a unit dosage form containing a plurality of porous microscopic beads, the pores containing an active agent or drug and plugged with a polysaccharide that is chemically degradable by colon-specific bacteria. The dosage form further contains a coating of an enteric material that remains intact until the dosage form reaches the colon.
Berliner, David. (1998). Delivery of drugs to the lower gastrointestinal tract (U.S. Patent No. 5849327). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5849327
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile