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. 13, 1982
Filed:
Oct. 10, 1980
Applicant:
Inventors:
Gregory G Arzoumanidis, Naperville, IL (US);
Sam S Lee, Hoffman Estates, IL (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2524 / ; 526142 ;
Abstract
In a method to produce an alpha-olefin polymerization catalyst comprising reducing titanium tetrachloride with an aluminum alkyl, contacting the resulting reduced solid with a pretreatment amount of alpha-olefin monomer under polymerization conditions and reacting the resulting product with a Lewis base complexing agent and additional titanium tetrachloride, the improvement comprising reacting the Lewis base complexing agent in a molar ratio to the reduced titanium compound of greater than 1.15 to 1.
Arzoumanidis, Gregory. (1982). Olefin polymerization catalyst (U.S. Patent No. 4324693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4324693
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile