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. 13, 1999
Filed:
Feb. 21, 1995
Applicant:
Inventors:
Ashok Chandulal Shah, Kalamazoo, MI (US);
Nancy J Britten, Portage, MI (US);
Assignee:
Pharmacia & Upjohn Company, Kalamazoo, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23K / ;
U.S. Cl.
CPC ...
424438 ; 424464 ; 424474 ; 424475 ; 424479 ; 424480 ;
Abstract
The invention provides a controlled release composition comprising a compressed core containing a drug having two parallel planar surfaces (i.e. the top and bottom), and a seal coating surrounding the core except on said planar surfaces (i.e. on all lateral surfaces). The seal coating comprises a film coating of an impermeable material.