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. 16, 2024
Filed:
May. 08, 2023
Applicant:
Stepan Company, Northbrook, IL (US);
Inventors:
Warren A. Kaplan, Libertyville, IL (US);
Zhenhua Cui, Chesterbrook, PA (US);
Sarah Wolek, Arlington Heights, IL (US);
Assignee:
STEPAN COMPANY, Northfield, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/14 (2006.01); C08G 18/42 (2006.01); C08G 18/73 (2006.01); C08L 67/03 (2006.01);
U.S. Cl.
CPC ...
C08L 67/03 (2013.01); C08G 18/4263 (2013.01); C08G 18/73 (2013.01); C08J 9/141 (2013.01); C08G 2110/0025 (2021.01); C08J 2203/14 (2013.01); C08J 2203/182 (2013.01); C08J 2205/10 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01);
Abstract
A rigid PU or PU-PIR foam comprising a reaction product of water, a catalyst, a foam-stabilizing surfactant, a polyisocyanate, a blowing agent and a blend comprising: (a) 90 to 99 wt. % of an aromatic polyester polyol having a hydroxyl number within the range of 150 to 400 mg KOH/g; and (b) 1 to 10 wt. % of a fatty acid derivative selected from the group consisting of Cto Cfatty acid esters and Cto Cfatty acid amides.