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:
Mar. 07, 2006
Filed:
Dec. 21, 2000
Applicants:
Eric J. Evain, Wilmington, DE (US);
Constantine A. Stewart, Wilmington, DE (US);
Inventors:
Eric J. Evain, Wilmington, DE (US);
Constantine A. Stewart, Wilmington, DE (US);
Assignee:
Basell Technology Company BV, , NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Aromatic silane compounds containing at least an aromatic ring bound directly to the silicon atom, wherein the aromatic ring has at least one substituent located in the ortho position selected from Chydrocarbon groups, are useful as electron donors in olefin polymerization catalysts for the production of polyolefins having a stereoblock content of from about 7 to about 25%.