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:
Jul. 23, 1985
Filed:
Jan. 18, 1983
Applicant:
Inventors:
Mitsuyuki Matsuura, Kameyama, JP;
Yoshiteru Kageyama, Yokkaichi, JP;
Akito Hagiwara, Yokkaichi, JP;
Takeo Shimada, Yokkaichi, JP;
Assignee:
Mitsubishi Petrochemical Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526125 ; 526124 ; 526153 ; 5263482 ; 5263485 ; 5263486 ; 526902 ;
Abstract
A process for catalytic homo- or co-polymerization of ethylene under the conditions of a pressure of at least 300 kg/cm.sup.2, a temperature of at least 180.degree. C., a contact time with a catalyst of 10 to 150 seconds and substantial absence of a solvent is disclosed. The catalyst used comprises Components A and B where Component A is a solid composition prepared by mixing and pulverizing (1) a magnesium halide, (2) titanium trichloride, and (3) an electron donor and Component B is an organoaluminum compound containing a halogen.