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:
Aug. 28, 1990
Filed:
Nov. 14, 1988
Applicant:
Inventors:
Donald E Gessell, Friendswood, TX (US);
Paul H Washecheck, Friendswood, TX (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F17D / ;
U.S. Cl.
CPC ...
585-3 ; 137 13 ; 252-83 ; 585 11 ; 585 13 ;
Abstract
Fluid flow friction loss of a hydrocarbon liquid is improved by adding a small amount of a copolymer of divinylbenzene and a linear alpha-olefin or a copolymer of vinyl siloxane and a linear alpha-olefin to the liquid hydrocarbon. A preferred catalyst for producing these materials is also described.