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:
Nov. 24, 2020
Filed:
Oct. 02, 2018
Applicant:
Prc-desoto International, Inc., Sylmar, CA (US);
Inventors:
Madeline Hartman, Boston, MA (US);
Lawrence G. Anderson, Allison Park, PA (US);
Assignee:
PRC-DeSoto International, Inc., Sylmar, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 33/00 (2006.01); B01J 31/06 (2006.01); B01J 31/02 (2006.01); B01J 20/10 (2006.01); B01J 35/00 (2006.01); B01J 37/00 (2006.01); C08G 75/02 (2016.01); C09D 5/00 (2006.01); C09D 181/02 (2006.01); C09K 3/10 (2006.01); B01J 37/04 (2006.01);
U.S. Cl.
CPC ...
B01J 33/00 (2013.01); B01J 20/103 (2013.01); B01J 31/0237 (2013.01); B01J 31/06 (2013.01); B01J 35/0013 (2013.01); B01J 37/0072 (2013.01); B01J 37/04 (2013.01); C08G 75/02 (2013.01); C09D 5/00 (2013.01); C09D 181/02 (2013.01); C09K 3/1012 (2013.01); B01J 2231/005 (2013.01); B01J 2531/002 (2013.01); C08G 2150/00 (2013.01);
Abstract
Controlled release polyurea microcapsules can be prepared from a combination of polyisocyanates using emulsion polymerization. Encapsulated catalysts prepared using the polyurea microcapsules can be used to control the cure rate of coatings and sealants.