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:
Sep. 17, 2024
Filed:
Nov. 15, 2018
Applicant:
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, CN;
Inventors:
Danhua Yuan, Dalian, CN;
Jiacheng Xing, Dalian, CN;
Yunpeng Xu, Dalian, CN;
Zhongmin Liu, Dalian, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/83 (2006.01); C08G 63/68 (2006.01); C08G 63/692 (2006.01); C08G 63/695 (2006.01); C08G 63/698 (2006.01); C08G 63/84 (2006.01); C08G 63/85 (2006.01); C08G 63/86 (2006.01); C08G 63/87 (2006.01);
U.S. Cl.
CPC ...
C08G 63/698 (2013.01); C08G 63/681 (2013.01); C08G 63/692 (2013.01); C08G 63/695 (2013.01); C08G 63/83 (2013.01); C08G 63/84 (2013.01); C08G 63/85 (2013.01); C08G 63/866 (2013.01); C08G 63/87 (2013.01);
Abstract
The present application discloses a method for preparing polyester polyol comprising performing transesterification of raw materials containing inorganic oxyacid ester and polyhydric alcohol to obtain the polyester polyol. The polyester polyol obtained by the method described in the present application has higher heat resistance.