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:
Jan. 27, 2026
Filed:
Jun. 11, 2021
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/64 (2006.01); C08G 63/199 (2006.01); C08G 63/672 (2006.01);
U.S. Cl.
CPC ...
C08G 63/672 (2013.01); C08G 63/199 (2013.01); C08G 63/64 (2013.01);
Abstract
The present invention relates to a process for preparing a polyester carbonate on the basis of cycloaliphatic diacids and at least one 1,4:3,6-dianhydrohexitol and at least one further aliphatic dihydroxy compound, to a polyester carbonate and to a molding compound and a molded product containing the polyester carbonate. The polyester carbonates according to the invention are characterized by good mechanical properties and molecular weights.
Meyer, Alexander. (2026). Polyester carbonates consisting of different diols in a defined ratio (U.S. Patent No. 12534568). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12534568
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile