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:
Mar. 03, 1987
Filed:
Nov. 07, 1985
Applicant:
Inventor:
Robert J Kostelnik, West Chester, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526153 ; 252-8551 ; 502110 ;
Abstract
The hydrocarbon fluid friction reducing properties of copolymers of two or more alpha-monoolefins having 2 to about 30 carbon atoms is improved by copolymerizing the monomers in the liquid state by means of a Ziegler catalyst and a two-component activator system comprised of a trialkylaluminum compound and a dialkylaluminum halide compound.