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:
Apr. 27, 1976
Filed:
Sep. 09, 1974
Applicant:
Inventors:
Ralph P Chesluk, Nederland, TX (US);
Howard J Platte, Houston, TX (US);
Edward C Brink, Jr, Port Arthur, TX (US);
Assignee:
Texaco Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 25 ; 208 14 ; 208264 ;
Abstract
Refrigeration oils are prepared by subjecting a crude lubricating oil fraction to mild hydrogenation, acid treating, dewaxing and clay percolation.