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:
Dec. 12, 2006
Filed:
Apr. 11, 2002
Applicants:
Jean-laurent Pradel, Bernay, FR;
Pierre Nogues, Bernay, FR;
Christophe Loret, Fontainbleau, FR;
Inventors:
Assignee:
Arkema, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/02 (2006.01); C08F 8/04 (2006.01); C08F 8/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a method for hydrogenation of unsaturated polymers in dispersed medium based on an oxidation-reduction system containing hydrazine, an oxidant such as a peroxide and optionally a carboxylic acid. The hydrogenation rate can reach 100% in certain conditions.