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:
Jun. 12, 2001
Filed:
May. 29, 1998
Applicant:
Inventors:
Agapios K. Agapiou, Humble, TX (US);
Kathryn A. Russell, Seabrook, TX (US);
Assignee:
Univation Technologies, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/34 ; C08F 2/14 ;
U.S. Cl.
CPC ...
C08F 2/34 ; C08F 2/14 ;
Abstract
The present invention relates to an improved catalyst delivery method for introducing a supported bulky ligand metallocene-type catalyst system to a reactor for polymerizing one or more olefin(s). In particular, the invention provides for a method of introducing a supported metallocene-type catalyst system into a polymerization reactor by and in the presence of a carrier solution of an antistatic agent and a liquid diluent. Also, the invention is directed toward a catalyst feeder for use in a polymerization process.