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. 02, 2024
Filed:
Oct. 12, 2017
Applicant:
Epc Engineering & Technologies Gmbh, Arnstadt, DE;
Inventor:
Michael Streng, Maintal, DE;
Assignee:
EPC Engineering & Technologies GMBH, Arnstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 64/30 (2006.01); B01J 31/02 (2006.01); B01J 35/00 (2006.01); B01J 23/04 (2006.01);
U.S. Cl.
CPC ...
C08G 64/307 (2013.01); B01J 31/0268 (2013.01); B01J 35/0006 (2013.01); B01J 23/04 (2013.01); B01J 31/0225 (2013.01); B01J 31/0239 (2013.01);
Abstract
The invention relates to a method for producing a polycarbonate and the reaction of one or more diaryl carbonates with one or more aromatic compounds, wherein a catalyst combination is used in the process. The invention further relates to a catalyst combination and to the use thereof in a process for producing a polycarbonate.