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. 29, 2025
Filed:
Jan. 17, 2020
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Peter Rudolf, Ludwigshafen, DE;
Indre Thiel, Ludwigshafen, DE;
Thomas Maximilian Wurm, Ludwigshafen, DE;
Joaquim Henrique Teles, Ludwigshafen, DE;
Jan-Dirk Arndt, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 327/04 (2005.12);
U.S. Cl.
CPC ...
C07D 327/04 (2012.12);
Abstract
Provided is a process for the preparation of a compound with at least one five-membered cyclic monothiocarbonate group. A compound C1 with at least one halohydrin group is used as starting material. Compound C1 is reacted with phosgene or an alkyl chloroformate to give an adduct C2. The adduct C2 is reacted with a compound that includes anionic sulfur to obtain the compound with at least one five-membered cyclic monothiocarbonate group.