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. 17, 2020
Filed:
Mar. 07, 2017
Applicant:
Invista North America S.a.r.l., Wilmington, DE (US);
Inventor:
Carina A. McAdams, Wilmington, NC (US);
Assignee:
INVISTA North America S.a.r.l., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/22 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08J 9/00 (2006.01); C08J 9/14 (2006.01); C08K 3/016 (2018.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
C08J 9/141 (2013.01); C08G 18/225 (2013.01); C08G 18/4211 (2013.01); C08G 18/4244 (2013.01); C08G 18/4837 (2013.01); C08J 9/0061 (2013.01); C08K 3/016 (2018.01); C08G 2101/00 (2013.01); C08J 2201/022 (2013.01); C08J 2203/14 (2013.01); C08J 2203/182 (2013.01); C08J 2205/052 (2013.01); C08J 2205/10 (2013.01); C08J 2375/04 (2013.01); C08J 2375/06 (2013.01); C08J 2483/12 (2013.01);
Abstract
The present disclosure relates to a modified polyester polyol composition useful in the formulation of polyurethane and polyisocyanurate cellular polymers for use in making foam articles with hydrocarbon blowing agents. The modified polyester polyol composition comprises the reaction product of a polyol with an EO/PO block copolymer having a weight average molecular weight from 1,000 to 20,000 g/mol and has a viscosity in the range of 100 to 10,000 centipoise, as determined at 25° C. according to the ASTM D-4878 method.