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. 29, 2003
Filed:
Feb. 01, 1999
Applicant:
Inventors:
Karl Kolter, Limburgerhof, DE;
Thomas Subkowski, Mutterstadt, DE;
Martin Raditsch, Eppelheim, DE;
Volker Schehlmann, Römerberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/14 ; A61F 1/300 ;
U.S. Cl.
CPC ...
A61K 9/14 ; A61F 1/300 ;
Abstract
(Meth)acrylic acid copolymers are used to increase mucosal permeability, comonomers present being (meth)acrylic esters and/or other monomers capable of free-radical polymerization, and the (meth)acrylic acid:comonomer molar ratio varying from 99:1 to 1:99.