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:
Dec. 06, 1994
Filed:
Oct. 07, 1993
Applicant:
Inventors:
Richard M Lange, Euclid, OH (US);
Curtis R Scharf, Wickliffe, OH (US);
Assignee:
The Lubrizol Corporation, Wickliffe, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524342 ; 252 / ; 524476 ; 524485 ; 524490 ; 524491 ;
Abstract
A composition of an oil-soluble, olefin-based polymer and an oil-soluble polar polymer having nitrogen functionality, wherein the polymers in combination in oil exhibit incompatibility as evidenced by phase separation, shows improved compatibility by addition to the mixture of certain hydrocarbyl substituted hydroxyaromatic materials.