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:
Oct. 07, 1997
Filed:
Feb. 06, 1995
Applicant:
Inventors:
Gordon L Amidon, Ann Arbor, MI (US);
John R Crison, Ann Arbor, MI (US);
Assignee:
Port Systems, L.L.C., Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424472 ; 424453 ; 424464 ; 424466 ; 424468 ; 424470 ;
Abstract
A method of making a drug delivery system (10) includes the steps of filling a first water permeable capsule half with a drug and an osmotic agent and plugging an open-end (24) of the capsule (12). The method further includes the steps of disposing a water permeable film (30) over the capsule (12) and plug (28), filling a second capsule half (14) with a drug (18), and releasably mounting an open end (34) of the second capsule half (14) over the plugged end (24) of the first capsule half (12).