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:
Jan. 18, 2005
Filed:
Dec. 04, 2002
Applicants:
Luigi Resconi, Ferrara, IT;
Davide Balboni, Ferrara, IT;
Inventors:
Luigi Resconi, Ferrara, IT;
Davide Balboni, Ferrara, IT;
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 442 ;
U.S. Cl.
CPC ...
Abstract
A process for the preparation of ligands for metallocene catalysts used in the production of amorphous polymers of alpha-olefins having high molecular weight and narrow molecular weight distributions, in which the isotactic sequences are more abundant than the syndiotactic ones.