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:
Dec. 02, 1997
Filed:
Jan. 04, 1995
Applicant:
Inventors:
Masaki Fushimi, Oita, JP;
Toshio Fujita, Oita, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
5261253 ; 526351 ;
Abstract
A catalyst for producing a polyolefin having a high melting point and a high stereoregularity, which comprises: (A) a solid catalyst component containing titanium, magnesium and halogen, (B) an organic aluminum compound, and (C) an organic silicon compound represented by Formula (1); ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each represents a C.sub.1-3 hydrocarbon group.