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:
Jan. 11, 2005
Filed:
Oct. 02, 2000
Applicants:
Eberhard Ernst, Schwechat-Mannswoerth, AT;
Jens Reussner, Schwechat-Mannswoerth, AT;
Per Roterud, Stathelle, NO;
Kjell-arne Solli, Stathelle, NO;
Inventors:
Eberhard Ernst, Schwechat-Mannswoerth, AT;
Jens Reussner, Schwechat-Mannswoerth, AT;
Per Roterud, Stathelle, NO;
Kjell-Arne Solli, Stathelle, NO;
Assignee:
Borealis Technology Oy, Porvoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 444 ; C08F 200 ;
U.S. Cl.
CPC ...
Abstract
A modified supported olefin polymerization catalyst modified by prepolymerization with an olefin or an olefin mixture different from the olefin or olefin mixture of the subsequent olefin polymerization. The polymerization catalyst is a metallocene, and the melting or softening point of the polyolefin made using the catalyst is at least 20° C. lower than that of the prepolymerized polyolefin.