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. 16, 1991
Filed:
Dec. 16, 1985
Applicant:
Inventors:
Randolph B DePrince, Terre Haute, IN (US);
Ravi Viswanathan, Terre Haute, IN (US);
Assignee:
International Minerals & Chem. Corporation, Northbrook, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424468 ; 424477 ;
Abstract
A device for the continuous administration of a diffusible agent having a relatively rapid rate of diffusion and a diffusible agent having a relatively show rate of diffusion comprises: