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:
Aug. 12, 2025
Filed:
Jan. 14, 2020
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Bang Wei Xi, Shanghai, CN;
Yinghao Liu, Shanghai, CN;
Zhen Peng Liang, Guangzhou, CN;
Jin Lin Liu, Shanghai, CN;
Bo Chen, Shanghai, CN;
Ben Ben Shen, Shanghai, CN;
Zi Song Zhu, Shanghai, CN;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/76 (2006.01); A43B 13/18 (2006.01); C08G 18/10 (2006.01); C08G 18/18 (2006.01); C08G 18/48 (2006.01); C08J 9/00 (2006.01); C08J 9/12 (2006.01);
U.S. Cl.
CPC ...
C08G 18/7671 (2013.01); A43B 13/187 (2013.01); C08G 18/10 (2013.01); C08G 18/1816 (2013.01); C08G 18/4854 (2013.01); C08J 9/0042 (2013.01); C08J 9/0061 (2013.01); C08J 9/125 (2013.01); C08G 2410/00 (2013.01); C08J 2203/10 (2013.01); C08J 2375/08 (2013.01); C08J 2483/04 (2013.01);
Abstract
Described herein is a polyurethane foam prepared with certain polytetrahydrofurans and optional polyether polyols. The polyurethane foam is characterized by low hardness increase at low temperature as compared with conventional polyurethane foam, and is suitable for use in products which can be exposed to low temperature such as snow boots.