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:
Jul. 27, 2021
Filed:
Nov. 09, 2017
Applicant:
Rohm and Haas Company, Collegeville, PA (US);
Inventors:
Muhunthan Sathiosatham, Chalfont, PA (US);
James H. Pawlow, Aurora, OH (US);
Lan T. P. Hoang Nguyen, Doylestown, PA (US);
Assignee:
Rohm and Haas Company, Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/38 (2006.01); C08G 77/08 (2006.01); B01J 31/02 (2006.01); C08G 77/16 (2006.01); C08G 77/18 (2006.01); C08L 83/04 (2006.01); C08G 77/20 (2006.01);
U.S. Cl.
CPC ...
C08G 77/38 (2013.01); B01J 31/0212 (2013.01); C08G 77/08 (2013.01); C08G 77/16 (2013.01); C08G 77/18 (2013.01); C08G 77/20 (2013.01); C08L 83/04 (2013.01); B01J 2231/49 (2013.01); B01J 2531/002 (2013.01);
Abstract
A method for preparation of (meth)acrylate esters of polysiloxanes. The method comprises contacting in the presence of zirconium acetylacetonate or hafnium acetylacetonate: (i) a polysiloxane having at least two hydroxyl groups, each of which is attached to a carbon atom, and (ii) a C-Calkyl (meth)acrylate.