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:
May. 26, 1987
Filed:
Feb. 21, 1986
Applicant:
Inventors:
Mark S Delaney, Midland, MI (US);
William B Marshall, Midland, MI (US);
James L Brewbaker, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526180 ; 502155 ; 525250 ;
Abstract
A complex of an alkyllithium compound and 1,2-dipyrrolidinoethane is useful as an initiator for the polymerization of ethylene and ethylene block copolymers.
Delaney, Mark. (1987). Initiator and method for polymerizing ethylene and preparing block (U.S. Patent No. 4668746). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4668746
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile