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:
Apr. 06, 2021
Filed:
Mar. 04, 2019
Applicant:
Milliken & Company, Spartanburg, SC (US);
Inventors:
Chunping Xie, Shanghai, CN;
Shengjun Yao, Shanghai, CN;
Assignee:
Milliken & Company, Spartanburg, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/46 (2006.01); C08G 18/76 (2006.01); C08G 18/66 (2006.01); C08L 71/02 (2006.01); C08G 18/63 (2006.01); C08G 18/64 (2006.01); C08G 18/32 (2006.01); C07C 43/13 (2006.01); C08G 73/02 (2006.01); C08L 75/08 (2006.01); C08J 3/22 (2006.01); C08J 9/00 (2006.01); C08J 9/28 (2006.01); C08G 18/40 (2006.01); C08G 18/48 (2006.01);
U.S. Cl.
CPC ...
C08L 75/08 (2013.01); C08G 18/3228 (2013.01); C08G 18/3275 (2013.01); C08G 18/4072 (2013.01); C08G 18/48 (2013.01); C08G 18/632 (2013.01); C08G 18/6681 (2013.01); C08G 18/7621 (2013.01); C08J 3/226 (2013.01); C08J 9/0066 (2013.01); C08J 9/286 (2013.01); C08J 2201/022 (2013.01); C08J 2375/08 (2013.01); C08J 2479/02 (2013.01); C08L 2203/14 (2013.01); C08L 2310/00 (2013.01);
Abstract
A composition comprises a polyol, a polyethylenimine compound, and a sulfite compound. A method for producing a polyurethane polymer comprises the steps of: (a) providing a polyol; (b) providing an additive composition comprising a polyethylenimine compound and a sulfite compound; (c) combining the polyol and the additive composition to produce a polyol composition; (d) providing an isocyanate compound; and (e) combining and reacting the polyol composition and the isocyanate composition to produce a polyurethane polymer.