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. 01, 2021
Filed:
Mar. 12, 2018
Applicant:
Covestro Llc, Pittsburgh, PA (US);
Inventors:
Nigel Barksby, Moon Township, PA (US);
Brian L. Neal, Pittsburgh, PA (US);
Susan B. McVey, Houston, PA (US);
John E. Hayes, Gibsonia, PA (US);
Assignee:
Covestro LLC, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/16 (2006.01); C08G 18/18 (2006.01); C08G 18/20 (2006.01); C08G 18/24 (2006.01); C08G 18/28 (2006.01); C08G 18/40 (2006.01); C08G 18/48 (2006.01); C08G 18/63 (2006.01); C08G 18/66 (2006.01); C08G 18/76 (2006.01); C08J 9/12 (2006.01); C08J 9/14 (2006.01);
U.S. Cl.
CPC ...
C08G 18/7621 (2013.01); C08G 18/165 (2013.01); C08G 18/1808 (2013.01); C08G 18/1825 (2013.01); C08G 18/1833 (2013.01); C08G 18/2081 (2013.01); C08G 18/244 (2013.01); C08G 18/283 (2013.01); C08G 18/4072 (2013.01); C08G 18/4804 (2013.01); C08G 18/485 (2013.01); C08G 18/4812 (2013.01); C08G 18/4833 (2013.01); C08G 18/4837 (2013.01); C08G 18/4866 (2013.01); C08G 18/632 (2013.01); C08G 18/637 (2013.01); C08G 18/667 (2013.01); C08J 9/125 (2013.01); C08J 9/145 (2013.01); C08G 2110/005 (2021.01); C08G 2110/0008 (2021.01); C08G 2110/0058 (2021.01); C08G 2110/0083 (2021.01); C08G 2280/00 (2013.01); C08G 2350/00 (2013.01); C08J 2201/022 (2013.01); C08J 2203/10 (2013.01); C08J 2203/142 (2013.01); C08J 2205/06 (2013.01); C08J 2205/08 (2013.01); C08J 2375/08 (2013.01);
Abstract
This invention relates to a process for preparing viscoelastic polyurethane foam in which the isocyanate-reactive component comprises a specific polyol blend, and to viscoelastic polyurethane foam wherein the isocyanate-reactive comprises the specific polyol blend. The polyol blend may be an in situ formed polyol blend.