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. 19, 1977
Filed:
Oct. 21, 1974
Applicant:
Inventors:
Theodore C Mead, Port Arthur, TX (US);
William B Ashton, Nederland, TX (US);
Assignee:
Texaco Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
252 64 ; 252 65 ; 252 63 ; 252 / ; 174 / ; 336 94 ;
Abstract
The transformer oils of improved resistivity are prepared by adding an effective quantity of a carbonyl containing compound particularly an aldehyde or ketone to a conventional transformer oil.