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:
May. 30, 1978
Filed:
Mar. 10, 1976
Applicant:
Inventors:
Robert A Damiani, St. Charles, IL (US);
P Dwaine Fowlkes, Glen Ellyn, IL (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ; C07F / ; C07F / ;
U.S. Cl.
CPC ...
260990 ;
Abstract
A process of refining phosphate-ester fluids includes the steps of contacting the fluid with a source of saturated, straight-chain hydrocarbon material and subsequently splitting the mixture by the introduction of water. Organic contaminants originally present in the phosphate-ester fluid ultimately reside in the straight-chain hydrocarbon phase.