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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.:

US 5959046 B1

PDFFull Text
Date of Patent:
Sep. 28, 1999

Filed:

Apr. 21, 1997

Processes for producing propylene polymer utilizing bis

Applicant:
Inventors:

Junichi Imuta, Kuga-gun, JP;

Junji Saito, Kuga-gun, JP;

Takashi Ueda, Kuga-gun, JP;

Yoshihisa Kiso, Kuga-gun, JP;

Akira Mizuno, Kuga-gun, JP;

Masaaki Kawasaki, Kuga-gun, JP;

Assignee:

Mitsui Chemicals, Inc., Tokyo, JP;

Attorney:

Sherman and Shalloway

Primary Examiner:

David W Wu

Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526127 ; 526132 ; 526153 ; 526160 ; 526351 ; 526943 ; 502114 ;
Abstract

A process for producing a propylene polymer having an intrinsic viscosity (.eta.), as measured in decahydronaphthalene at 135.degree. C., of 1 to 12 dl/g comprises polymerizing propylene optionally with other olefins in the presence of an olefin polymerization catalyst comprising a transition metal compound represented by the formula ##STR1## wherein R.sup.1 and R.sup.2 are each a hydrogen atom or a hydrocarbon group of 1 to 3 carbon atoms,

Find Patent Forward Citations

Imuta, Junichi. (1999). Processes for producing propylene polymer utilizing bis (U.S. Patent No. 5959046). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5959046

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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