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:
Mar. 19, 2013
Filed:
Dec. 12, 2008
Applicants:
Peter Langguth, Biebergemuend, DE;
Stefan Grube, Berlin, DE;
Holger Frey, Emmendingen, DE;
Boris Obermeier, Hattersheim, DE;
Inventors:
Peter Langguth, Biebergemuend, DE;
Stefan Grube, Berlin, DE;
Holger Frey, Emmendingen, DE;
Boris Obermeier, Hattersheim, DE;
Assignee:
Evonik Roehm GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 47/32 (2006.01); C08F 26/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a strategy for improving the permeability and solubility of pharmaceuticals, based on adding a chemically modified amino alkyl methacrylate copolymer E, wherein the chemical modification is the quaternization of a fraction of the existing amino alkyl groups.