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:
Mar. 05, 2024
Filed:
May. 05, 2020
Applicant:
Solvay Specialty Polymers Italy S.p.a., Bollate, IT;
Inventors:
Rahul Shingte, Gujarat, IN;
Debaki Ghosh, Gujarat, IN;
Letanzio Bragante, Due Carrare, IT;
Manuel Gregori, Rovellasca, IT;
Stefano Millefanti, Tradate, IT;
Emanuela Antenucci, Saronno, IT;
Joel Pollino, Johns Creek, GA (US);
Assignee:
SOLVAY SPECIALTY POLYMERS ITALY S.P.A., Bollate, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 43/275 (2006.01); C07C 41/06 (2006.01); C07C 41/30 (2006.01); C07C 51/08 (2006.01); C07C 201/08 (2006.01); C07C 213/02 (2006.01); C07C 253/14 (2006.01); C07C 317/22 (2006.01); C07D 263/57 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
C07C 213/02 (2013.01); C07C 41/06 (2013.01); C07C 41/30 (2013.01); C07C 51/08 (2013.01); C07C 201/08 (2013.01); C07C 253/14 (2013.01); C07C 317/22 (2013.01); C07D 263/57 (2013.01); C08G 73/1007 (2013.01); C07C 2601/04 (2017.05);
Abstract
The invention pertains to a multi-step process for making polyfunctional aromatic compounds comprising two phenyl rings bearing reactive groups susceptible of polycondensation reaction to provide polycondensed polymers, said method using economic raw materials, and possessing high selectivity and overall yield.