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:
Sep. 19, 1978
Filed:
Dec. 20, 1973
Applicant:
Inventors:
Gary Leigh Brown, South Charleston, WV (US);
Weldon Clifford Cummings, Victoria, TX (US);
Isaac Jacob Levine, Somerville, NJ (US);
Assignee:
Union Carbide Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526130 ; 252428 ; 252430 ; 526 96 ; 526126 ; 526142 ; 526348 ; 526352 ;
Abstract
Supported bis-cyclopentadienyl chromium [II] catalysts are modified with compounds having in their structure the moiety ##STR1## in order to improve the toughness and impact strength of the resulting ethylene polymers made therewith.