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. 10, 2002
Filed:
Jan. 07, 2000
Applicant:
Inventors:
Milan F. Sojka, Algonquin, IL (US);
Ralph Spindler, Lake Zurich, IL (US);
Assignee:
Amcol International Corporation, Arlington Heights, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 ; A61K 9/16 ; A61K 9/50 ; A61K 3/1355 ; A61K 3/134 ;
U.S. Cl.
CPC ...
A61K 9/14 ; A61K 9/16 ; A61K 9/50 ; A61K 3/1355 ; A61K 3/134 ;
Abstract
A controlled release composition comprising an adsorbent polymer, an active agent, and a release retardant is disclosed. The composition has an improved ability to release the active agent over an extended time period.