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:
Apr. 13, 2010
Filed:
Feb. 08, 2005
Applicants:
Daniel Siraux, Naast, BE;
Etienne Laurent, Seneffe, BE;
Inventors:
Daniel Siraux, Naast, BE;
Etienne Laurent, Seneffe, BE;
Assignee:
Total Petrochemicals Research Feluy, Feluy, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/12 (2006.01); C08F 4/643 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses an olefin polymerisation process carried out in the presence of a Ziegler-Natta catalyst in two liquid full loop reactors connected in series wherein different molecular weight fractions are produced to form a polyolefin, said process being characterized in that the Ziegler-Natta catalyst has a particle size distribution dof less than 20 μm and greater that 5 μm.