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:
Oct. 02, 2018
Filed:
Jan. 23, 2014
Applicant:
Siemens Aktiengesellschaft, Munich, DE;
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 3/04 (2006.01); C07F 3/06 (2006.01); C08G 59/42 (2006.01); C08G 59/68 (2006.01); H01B 3/40 (2006.01); C08G 59/02 (2006.01); H01B 3/10 (2006.01);
U.S. Cl.
CPC ...
C07F 3/06 (2013.01); C08G 59/02 (2013.01); C08G 59/42 (2013.01); C08G 59/681 (2013.01); H01B 3/04 (2013.01); H01B 3/10 (2013.01); H01B 3/40 (2013.01);
Abstract
A compound having the structural formula RCORCOZnused as a reaction accelerator for the copolymerization of a mixture of a carboxylic acid anhydride and an oxirane, wherein Rand Rare a straight-chained or branched alkyl group independently of each other.