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. 19, 2004
Filed:
Apr. 23, 2001
Applicant:
Inventors:
Venkata-Rangarao Kanikanti, Leverkusen, DE;
Roland Rupp, Bergish Gladbach, DE;
Erich Brendel, Solingen, DE;
Claus Weisemann, Apex, NC (US);
Ernst Chantraine, Walnut Creek, CA (US);
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 ; A61K 9/48 ; A61K 9/52 ; A61K 9/20 ; A61K 9/22 ;
U.S. Cl.
CPC ...
A61K 9/14 ; A61K 9/48 ; A61K 9/52 ; A61K 9/20 ; A61K 9/22 ;
Abstract
The present invention relates to orally administrable multiple-unit sustained-release dose forms having controlled agitation-independent release of active compound and processes for their production using a selected erodable hydrophilic polymer (HPC) and a limitation of the maximum size of the active compound-containing polymer particles to ≦3 mm.