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:
Jul. 09, 2024
Filed:
Mar. 21, 2022
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Florian Ludwig Geyer, Ludwigshafen, DE;
Peter Rudolf, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen Am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 81/04 (2006.01); C08G 75/28 (2006.01);
U.S. Cl.
CPC ...
C08L 81/04 (2013.01); C08G 75/28 (2013.01);
Abstract
A process for preparing a sulfur copolymer, a sulfur copolymer, and a polymer composition containing one or more sulfur copolymers are provided. The process involves copolymerizing a cyclic monothiocarbonate compound of formula wherein Rand Rare independently of one another hydrogen. C-C-alkyl, C-C-alkyl substituted with halogen or interrupted with O or S; C-C-aryl or C-C-aryl substituted with C-C-alkyl, C-C-alkoxy, C-C-alkylthio or halogen; with elemental sulfur in the presence of a polymerization initiator.