US Patent No: 5,446,228

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Benzyltoluenes/benzylxylenes dielectric compositions

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Abstract

Benzyltoluene/benzylxylene admixtures, easily prepared via Friedel-Crafts condensation of benzyl chloride with a mixture of toluene and xylene, are useful dielectric oils exhibiting improved rigidity and are well suited for inclusion in voltage transformers, capacitors, electrical cables, and the like.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ELF ATOCHEM S.A.PUTEAUX517

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berger, Noelle Ecully, FR 12 45
Commandeur, Raymond Vizille, FR 29 106
Jay, Pierre Saint-Didier Au Mont D'Or, FR 8 33

Cited Art

Patent Info (Count) # Cites Year
 
NIPPON PETROCHEMICALS COMPANY, LIMITED (1)
5,017,733 Electrical insulating oil composition 18 1987

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. (3)
6,908,673 Cable with recyclable covering 1 2001
7,196,270 Cable with recyclable covering layer 4 2004
7,884,284 Energy cable comprising a dielectric fluid and a mixture of thermoplastic polymers 1 2005
 
ATOFINA (1)
6,391,228 Dielectric composition having an improved gas absorption 1 2000
 
ELF ATOCHEM S.A. (1)
5,856,598 Dielectric composition based on polyarylalkanes which have improved dielectric properties 0 1995
 
PRYSMIAN S.P.A. (1)
7,999,188 Energy cable 1 2007