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. 23, 1999
Filed:
Jul. 31, 1997
Applicant:
Inventors:
William David Arendt, Libertyville, IL (US);
Thomas Joseph Bohnert, Palatine, IL (US);
Mark Stephen Holt, Barrington, IL (US);
Assignee:
Velsicol Chemical Corporation, Rosemont, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08L / ; C08G / ;
U.S. Cl.
CPC ...
524296 ; 524296 ; 524287 ; 252 12 ;
Abstract
The present invention relates to liquid compositions comprising mixtures of esters derived from a) diethylene glycol and triethylene glycol and b) benzoic or toluic acid. The freezing point of the ester mixture is below the freezing points of the constituent esters when the relative concentrations of the constituent esters are within specified limits. The invention also relates oils and lubricants containing the present liquid ester compositions as plasticizing additives.