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:
Feb. 05, 2019
Filed:
Apr. 27, 2015
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Ewelina Burakowska-Meise, Reichenbach, DE;
Wolfgang Denuell, Mannheim, DE;
Ulrich Issberner, Düsseldorf, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/37 (2006.01); A61K 8/11 (2006.01); B01J 13/16 (2006.01); A61Q 19/00 (2006.01); B01J 13/14 (2006.01); A01N 25/28 (2006.01); A01N 37/22 (2006.01); A01N 43/10 (2006.01); A01N 43/56 (2006.01); A01N 43/90 (2006.01); B01J 13/18 (2006.01); A61K 9/50 (2006.01); C11D 17/00 (2006.01);
U.S. Cl.
CPC ...
B01J 13/14 (2013.01); A01N 25/28 (2013.01); A01N 37/22 (2013.01); A01N 43/10 (2013.01); A01N 43/56 (2013.01); A01N 43/90 (2013.01); A61K 8/11 (2013.01); A61K 9/5026 (2013.01); A61K 9/5089 (2013.01); A61Q 19/00 (2013.01); B01J 13/16 (2013.01); B01J 13/18 (2013.01); C11D 3/3753 (2013.01); C11D 17/0039 (2013.01);
Abstract
A process for producing microcapsules containing a shell and a core of a liquid water-insoluble material is disclosed. The microcapsules are prepared using a bifunctional isocyanate, an anionically modified diisocyanate, a bifunctional amine, and a protective colloid. The protective colloid is a polyvinyl alcohol copolymer having hydrolysis degrees from 85 to 99.9%.