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. 12, 2022
Filed:
Feb. 07, 2019
Applicants:
Arianegroup Sas, Paris, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Inventors:
Etienne Savonnet, Bordeaux, FR;
Brigitte Defoort, Saint-Medard-en-Jalles, FR;
Henri Cramail, Sainte-Terre, FR;
Stéphane Grelier, Parentis-en-Born, FR;
Etienne Grau, Bordeaux, FR;
Assignees:
ARIANEGROUP SAS, Paris, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/76 (2006.01); C07C 217/58 (2006.01); C07C 217/84 (2006.01); C07C 265/12 (2006.01); C08G 59/32 (2006.01);
U.S. Cl.
CPC ...
C08G 18/7685 (2013.01); C07C 217/58 (2013.01); C07C 217/84 (2013.01); C07C 265/12 (2013.01); C08G 59/32 (2013.01);
Abstract
A difunctional biphenyl compounds corresponding to formula (I) wherein Alk, Alk' and R are as defined in the description. These compounds are suitable as hardeners for thermosetting resins, especially epoxy resins.