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.

Date of Patent:
Mar. 31, 2026

Filed:

Oct. 13, 2021
Applicant:

Basf SE, Ludwigshafen am Rhein, DE;

Inventors:

Zhong Kai Zhang, Shanghai, CN;

Feng Qin, Shanghai, CN;

Hang Yu Xu, Shanghai, CN;

Chun Yi Chen, Shanghai, CN;

Assignee:

BASF SE, Ludwigshafen am Rhein, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06N 3/18 (2006.01); D06N 3/00 (2006.01); D06N 3/14 (2006.01);
U.S. Cl.
CPC ...
D06N 3/183 (2013.01); D06N 3/0077 (2013.01); D06N 3/14 (2013.01); Y10T 428/24438 (2015.01);
Abstract

Described herein is an embossable non-solvent polyurethane sheet, which is formed from a non-solvent polyurethane system including a polyol component (a) and an isocyanate component (b), where the polyol component (a) includes (a-1) at least one polyol having a functionality in a range of from 1.5 to 2.5; and (a-2) optionally at least one polyol having a functionality in a range of 2.7 to 3.5, wherein an amount of the at least one polyol (a-2) is ≤6 wt %, based on a total weight of the polyol component (a), and wherein the polyol component (a) has an average functionality of from 1.5 to 2.1. Also described herein are a laminate including the sheet and a synthetic leather including the sheet. Also described herein are a method of using the sheet, a method of using the laminate, and a method of using the synthetic leather.


Find Patent Forward Citations

Loading…