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:
Feb. 21, 1995
Filed:
Mar. 22, 1993
Applicant:
Inventors:
Howard W Turner, Webster, TX (US);
Gregory G Hlatky, Houston, TX (US);
Henry W-H. Yang, Kingwood, TX (US);
Avinash C Gadkari, Webster, TX (US);
Gary F Licciardi, Humble, TX (US);
Assignee:
Exxon Chemical Patents Inc., Linden, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525268 ; 525321 ; 525323 ;
Abstract
A process for the production of block copolymers of ethylene and an .alpha.-olefin such as propylene by using an ionic catalyst system including a metallocene component and a component having a cation capable of donating a proton and a compatible non-coordinating anion. Novel block copolymers are produced.