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:
Jul. 09, 2024
Filed:
Oct. 08, 2018
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Jiawen Xiong, Shanghai, CN;
Xiangyang Tai, Shanghai, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 175/12 (2006.01); C08G 18/12 (2006.01); C08G 18/48 (2006.01); C08G 18/75 (2006.01); D06N 3/14 (2006.01);
U.S. Cl.
CPC ...
C09D 175/12 (2013.01); C08G 18/12 (2013.01); C08G 18/4808 (2013.01); C08G 18/4825 (2013.01); C08G 18/4841 (2013.01); C08G 18/755 (2013.01); D06N 3/148 (2013.01); D06N 2203/068 (2013.01); D06N 2205/023 (2013.01);
Abstract
Aqueous polyurethane dispersions are useful for making artificial leather and similar products. The dispersions contain polyurethane-urea particles dispersed in an aqueous phase. The particles are made using isophorone diisocyanate, certain cyclic amine chain extenders and certain polyol mixtures.