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:
Mar. 25, 2025
Filed:
Apr. 28, 2020
Applicant:
Vito NV, Mol, BE;
Inventors:
Richard Vendamme, Mol, BE;
Pablo Ortiz Urraca, Mol, BE;
Assignee:
VITO NV, Mol, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 63/672 (2006.01);
U.S. Cl.
CPC ...
C08G 63/672 (2013.01);
Abstract
The invention is directed to polyesters comprising the following repeating unit of formula (I) wherein: Rand Rindependently represent H or CH, Rand Rindependently represent H or OCH, Rindependently represents Calkyl-O(C═O)R(C═O); Calkyl(C═O); (C═O)R(C═O); Calkyl(C═O)ORO(C═O)Calkyl; Calkyl(C═O)ORor (C═O)Calkyl(C═O)ORO(C═O)Calkyl, Rindependently represents Calkyl; benzene or furan, Rrepresents CH2 or (C═O), n=0-3, m≥10. The invention is also directed to a process for the preparation of these polyesters, wherein a monomer or monomer mixture is heated in the presence of a catalyst to a temperature of 100-300° C. under a pressure below 10 kPa.