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:
May. 21, 1985
Filed:
Jun. 05, 1981
Shigeyoshi Mizogami, Sodegaura, JP;
Shinichi Akimoto, Sodegaura, JP;
Idemitsu Kosan Company Limited, Tokyo, JP;
Abstract
A process for the production of polyethylene having a wide molecular weight distribution and good molding and good physical properties. It is produced using a catalyst consisting of components (A) and (B). Component (A) is a solid product prepared by reacting (i) the reaction product of a compound containing titanium, magnesium and halogen, and (ii) at least one compound selected from the group consisting of tetraalkoxyzirconium, zirconium tetrahalide and tetraalkoxytitanium, with an organoaluminum halide compound of the general formula: AlR.sup.1.sub.n X.sup.1.sub.3-n wherein R.sup.1 is an alkyl group, X.sup.1 is a halogen atom, and 0<n<3 or a halogen-containing titanium compound of the general formula Ti(OR.sup.2).sub.m X.sup.2 4-m, wherein R.sup.2 is an alkyl group, X.sup.2 is a halogen atom, and 0.ltoreq.m<4. Component (B) is an organoaluminum compound.