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. 01, 2003
Filed:
May. 31, 2001
Applicant:
Inventors:
Lynda Kaye Johnson, Wilmington, DE (US);
Alison Margaret Anne Bennett, Wilmington, DE (US);
Kerwin D. Dobbs, Wilmington, DE (US);
Alex Sergey Ionkin, Kennett Square, PA (US);
Steven Dale Ittel, Wilmington, DE (US);
Ying Wang, West Chester, PA (US);
Catherine E. Radzewich, Wilmington, DE (US);
Lin Wang, Hockessin, DE (US);
Elisabeth Hauptman, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/44 ; C08F 4/16 ; C08F 1/002 ;
U.S. Cl.
CPC ...
C08F 4/44 ; C08F 4/16 ; C08F 1/002 ;
Abstract
Polymers are produced using transition metal complexes that have sites capable of binding a Lewis acid in close proximity to the metal center.