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. 07, 2026
Filed:
Jul. 23, 2021
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Bernd Bruchmann, Ludwigshafen, DE;
Peter Rudolf, Ludwigshafen, DE;
Markus Meise, Ludwigshafen, DE;
Elliot Christ, Freiburg, DE;
Juergen Ruehe, Eichstetten am Kaiserstuhl, DE;
Tassilo Gleede, Freiburg, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/045 (2016.01);
U.S. Cl.
CPC ...
C08G 75/045 (2013.01);
Abstract
A process can be used for preparing a compound A having n groups of formula In Formula (I), X is C-C-alkylene or C-C-alkylene substituted with C-C-alkoxy, C-C-alkylthio, and/or interrupted with O or S; R, R, and Rare independently of one another hydrogen or C-C-alkyl; and n is an integer of 1, 2, 3, 4, 5, or 6. The process involves reacting a compound B having n —SH groups with a compound C of formula in the presence of a free radical generator.