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. 24, 2024
Filed:
Apr. 03, 2020
Applicant:
Roquette Freres, Lestrem, FR;
Inventors:
Assignee:
Roquette Freres, Lestrem, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/40 (2006.01); B01D 71/52 (2006.01); B01D 71/68 (2006.01); C08G 75/23 (2006.01);
U.S. Cl.
CPC ...
C08G 65/405 (2013.01); B01D 71/522 (2022.08); B01D 71/68 (2013.01); C08G 65/4093 (2013.01); C08G 75/23 (2013.01); C08G 2650/26 (2013.01); C08G 2650/40 (2013.01); C08G 2650/64 (2013.01);
Abstract
The invention relates to a process for producing semi-aromatic polyethers based on an aliphatic diol, to semi-aromatic polyethers based on an aliphatic diol obtained by said process, and to the use of said semi-aromatic polyethers based on an aliphatic diol for manufacturing membranes, manufactured parts and coatings.