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:
Aug. 22, 2006
Filed:
Apr. 15, 2005
Applicants:
Vincent Monteil, Romans-sur-Isere, FR;
Roger Spitz, Lyons, FR;
Christophe Boisson, Tramoyes, FR;
Inventors:
Assignees:
Michelin Recherche et Technique S.A., Granges-Paccot, CH;
Total Petrochemicals Research Feluy, Seneffe, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 236/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are ethylene and butadiene copolymers and a catalytic system usable for the synthesis of these copolymers. The copolymers have a molar content of units resulting from butadiene of ≧8%, said units comprising trans-1,2 cyclohexane linkages, and a number-average molecular mass Mn of ≧40,000 g/mol. The catalytic system includes: