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:
Apr. 28, 2009
Filed:
Feb. 03, 2003
Jari {umlaut Over ( )}äärilä, Porvoo, FI;
Marja Ora, Vantaa, FI;
Tuula Sivonen, Helsinki, FI;
Markku Vahteri, Porvoo, FI;
Jari {umlaut over ( )}Äärilä, Porvoo, FI;
Marja Ora, Vantaa, FI;
Tuula Sivonen, Helsinki, FI;
Markku Vahteri, Porvoo, FI;
Borealis Technology Oy, Porvoo, FI;
Abstract
A film with a broad molecular weight distribution, excellent impact strength and a high dart drop value or moderate dart drop value accompanied by good optical property consisting of a bimodal terpolymer comprising a low molecular weight homopolymer of ethylene and a high molecular weight terpolymer of ethylene, 1-butene and a C6 to C12 alpha-olefin, or a bimodal terpolymer comprising a low mo-lecular weight polymer which is a binary copolymer of ethylene and a C4 to C12 alpha-olefin and a high molecular weight polymer which is either a binary copolymer of ethylene and 1-butene, if the low molecular weight polymer is a binary co-polymer of ethylene and a C6 to C12 alpha-olefin, or a terpolymer of ethylene, 1 -butene and a C6 to C12 alpha-olefin.