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:
Nov. 14, 1989
Filed:
Nov. 20, 1987
Applicant:
Inventors:
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44-73 ; 524474 ; 524560 ; 526158 ;
Abstract
A method of viscosifying an organic liquid which comprises adding a sufficient quantity of a hydrolyzed Ziegler Natta-ester containing copolymer haivng a molecular weight of about 100,00 to about 10,000,000 to said organic liquid to increase the viscosity of said organic liquid, said copolymer having the formula: ##STR1## wherein R.sub.1 is an alkyl group having about 4 to about 6 carbon atoms, R.sub.2 is an alkylene group having 3 to 16 carbon atoms, x is about 95.0 to about 99.95 mole % and y is about 0.05 to about 5.0 mole %.