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. 02, 2007
Filed:
May. 03, 2002
Petri Lehmus, Porvoo, FI;
Kimmo Hakala, Porvoo, FI;
Päivi Pitkänen, Porvoo, FI;
Manfred Arnold, Porvoo, FI;
Andreas Meinecke, Porvoo, FI;
Udo Manfred Stehling, Porvoo, FI;
Petri Lehmus, Porvoo, FI;
Kimmo Hakala, Porvoo, FI;
Päivi Pitkänen, Porvoo, FI;
Manfred Arnold, Porvoo, FI;
Andreas Meinecke, Porvoo, FI;
Udo Manfred Stehling, Porvoo, FI;
Borealis Technology Oy, Porvoo, FI;
Abstract
The invention provides a process for the preparation of a propylene polymer in which propylene and a comonomer copolymerizable therewith and of greater molecular weight than propylene are polymerized in a single site catalyst catalized polymerization reaction, characterised in that said polymerization reaction is effected at least in part at a temperature of at least 70° C.