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:
Jun. 08, 2021
Filed:
Apr. 30, 2018
Applicant:
Dow Silicones Corporation, Midland, MI (US);
Inventors:
Steven Swier, Midland, MI (US);
John B. Horstman, Midland, MI (US);
Assignee:
Dow Silicone Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/18 (2006.01); C08G 77/46 (2006.01); C08G 77/00 (2006.01);
U.S. Cl.
CPC ...
C08G 77/18 (2013.01); C08G 77/46 (2013.01); C08G 77/80 (2013.01);
Abstract
A polysiloxane comprising: (a) from 40 to 90 mole % units of formula RRSiO, (b) from 10 to 60 mole % units of formula RSiO, and (c) from 0 to 5 mole % units of formula RRSiO; wherein Rand Rindependently are phenyl or C-Calkyl; Rrepresents at least one C-Chydrocarbyl group; Ris —Ar-X—Ar, where Arand Arindependently are C-Caryl and X is O CH; provided that the polysiloxane comprises at least one —Ar-X—Argroup.