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. 29, 1980
Filed:
Mar. 27, 1978
Applicant:
Inventors:
Toshizo Abe, Kurashiki, JP;
Nobuaki Goko, Kurashiki, JP;
Yasuhiro Nishihara, Kurashiki, JP;
Yukimasa Matuda, Kurashiki, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; B01J / ;
U.S. Cl.
CPC ...
526159 ; 2524 / ; 526142 ; 526351 ; 526903 ; 526904 ; 527907 ; 525-4 ;
Abstract
A solid titanium trichloride, produced by precipitation from a homogeneous solution or mixture with an ether, is treated by prepolymerization with propylene at a partial pressure of less than 1 kg/cm.sup.2. The pretreated titanium trichloride containing a propylene polymer is then admixed with an organoaluminum compound and the admixture is used as a catalyst in the polymerization of propylene.