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. 07, 1991
Filed:
Sep. 27, 1989
Applicant:
Inventors:
Pierre Jay, Saint-Didier Au Mont D'Or, FR;
Noelle Berger, Ecully, FR;
Assignee:
Atochem, Puteaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ; H01G / ; H01B / ;
U.S. Cl.
CPC ...
336 94 ; 252570 ; 252573 ; 252578 ; 252579 ; 252581 ; 174 / ; 361319 ; 503213 ;
Abstract
Novel dielectrically improved liquid compositions include at least one electrical insulating oil (A), e.g., benzyltoluene or oligomers thereof, and at least one aldehyde (B) containing at least six carbon atoms, or a functionally substituted such aldehyde, e.g., 3-ethoxy-4-hydroxybenzaldehyde.