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. 19, 2019
Filed:
Dec. 07, 2017
Applicant:
Covestro Llc, Pittsburgh, PA (US);
Inventors:
Rick L. Adkins, Canonsburg, PA (US);
Anthony R. Loveday, Weirton, WV (US);
Assignee:
Covestro LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/26 (2006.01); C08J 9/34 (2006.01); C08K 5/17 (2006.01); C08L 33/10 (2006.01); C08L 71/02 (2006.01); C08L 75/04 (2006.01);
U.S. Cl.
CPC ...
C08G 65/2621 (2013.01); C08J 9/34 (2013.01); C08K 5/17 (2013.01); C08L 33/10 (2013.01); C08L 71/02 (2013.01); C08L 75/04 (2013.01); C08J 2205/06 (2013.01); C08J 2205/08 (2013.01);
Abstract
This invention relates to novel macromers prepared from amine based polyols, preformed stabilizers prepared from these macromers, and to polymer polyols prepared from the preformed stabilizers. The present invention also relates to processes for preparing these compositions.