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. 22, 2026
Filed:
Jul. 10, 2019
Applicants:
Basf SE, Ludwigshafen am Rhein, DE;
Kolon Plastics Inc., Gwacheon-Si, KR;
Inventors:
Thomas Heitz, Ludwigshafen am Rhein, DE;
Juergen Demeter, Ludwigshafen am Rhein, DE;
Anna Karina Moeller, Ludwigshafen am Rhein, DE;
Cho In-Gi, Gimheon City, KR;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 2/28 (2006.01); B01J 31/14 (2006.01); C08G 2/06 (2006.01); C08G 2/10 (2006.01); C08L 59/04 (2006.01);
U.S. Cl.
CPC ...
C08G 2/28 (2013.01); B01J 31/146 (2013.01); C08G 2/06 (2013.01); C08G 2/10 (2013.01); C08L 59/04 (2013.01);
Abstract
The present invention relates to a method for the deactivation of an acid catalyst during the production process of a polyoxymethylene copolymer (cPOM) by adding triisopropanolamine (tris(2-hydroxypropyl)amine) to a mixture which comprises the polyoxymethylene copolymer (cPOM) and the acid catalyst.