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.:

US 10975212 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 13, 2021

Filed:

Jun. 08, 2016
Applicant:

Covestro Deutschland Ag, Leverkusen, DE;

Inventors:

Liqiang Li, Shanghai, CN;

Qingyun Wang, Shanghai, CN;

Yongxing Lin, Shanghai, CN;

Zhong Cao, Shanghai, CN;

Kehan Xiong, Shanghai, CN;

Assignee:

Covestro Deutschland AG, Leverkusen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/18 (2006.01); C08G 18/20 (2006.01); C08G 18/28 (2006.01); C08G 18/32 (2006.01); C08G 18/48 (2006.01); C08G 18/61 (2006.01); C08G 18/66 (2006.01); C08G 18/72 (2006.01); C08G 18/76 (2006.01); C08J 9/00 (2006.01); C08L 71/02 (2006.01);
U.S. Cl.
CPC ...
C08J 9/0061 (2013.01); C08G 18/1833 (2013.01); C08G 18/2081 (2013.01); C08G 18/283 (2013.01); C08G 18/3206 (2013.01); C08G 18/4808 (2013.01); C08G 18/4812 (2013.01); C08G 18/4825 (2013.01); C08G 18/4833 (2013.01); C08G 18/4837 (2013.01); C08G 18/4845 (2013.01); C08G 18/61 (2013.01); C08G 18/6674 (2013.01); C08G 18/721 (2013.01); C08G 18/7621 (2013.01); C08G 18/7664 (2013.01); C08L 71/02 (2013.01); C08J 2375/08 (2013.01); C08L 2205/02 (2013.01); C08L 2205/03 (2013.01);
Abstract

The present invention provides a polyol composition for preparing a viscoelastic and reticulated polyurethane foam, comprising a first polyether polyol b1), a second polyether polyol b2), a third polyether polyol b3), and a surfactant b6). The present invention also provides a viscoelastic and reticulated polyurethane foam prepared from said polyol composition, wherein the polyurethane foam has a ball rebound rate of less than 15% determined according to GB/T6670-2008.


Find Patent Forward Citations

Li, Liqiang. (2021). Viscoelastic and reticulated polyurethane foam and the preparation thereof (U.S. Patent No. 10975212). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10975212

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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