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:
Feb. 12, 1980
Filed:
May. 01, 1978
Applicant:
Inventors:
Jean Barge, Paris la Defense, FR;
Raymond Catte, Lacq, FR;
Gilbert Chapelet, Symphorien d'Ozon, FR;
Ai Bui, Toulouse, FR;
Pierre Dejean, Sens, FR;
Claude Huraux, Toulouse, FR;
Christian Mayoux, Toulouse, FR;
Assignee:
Agence Nationale de Valorisation de la Recherche (ANVAR), Neuilly-sur-Seine, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
252 637 ; 260 / ; 260 / ; 1741 / ; 174D / ; 252 635 ;
Abstract
The invention relates to electrical insulators having increased resistance to partial discharges and electrical equipment comprising such electrical insulators. These electrical insulators are formed of a macromolecular material in which is incorporated a chelate which is a derivative of an organic compound of general formula: ##STR1## wherein: R is CH.sub.2 COOM or --OH,