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. 02, 2021
Filed:
Mar. 08, 2019
Applicant:
Covestro Llc, Pittsburgh, PA (US);
Inventors:
Brandon W. Parks, McKees Rocks, PA (US);
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 18/64 (2006.01); C08G 18/18 (2006.01); C08G 18/20 (2006.01); C08G 18/40 (2006.01); C08G 18/48 (2006.01); C08J 9/14 (2006.01);
U.S. Cl.
CPC ...
C08G 18/6423 (2013.01); C08G 18/1875 (2013.01); C08G 18/2027 (2013.01); C08G 18/4081 (2013.01); C08G 18/482 (2013.01); C08J 9/144 (2013.01); C08G 2110/0025 (2021.01); C08J 2375/04 (2013.01);
Abstract
Polyol blends are disclosed that include a saccharide-initiated polyether polyol, an aromatic polyester polyol, and a polyalkylene polyamine-initiated polyether polyol. Also disclosed are foam-forming compositions containing such polyol blends, rigid foams made using such polyurethane foam-forming compositions, and methods for producing such foams, including use of such foams as panel insulation.