Global Patent Index - EP 0719572 B1

EP 0719572 B1 19990728 - A process to remove polychloro-bi-phenyls from mineral oils

Title (en)

A process to remove polychloro-bi-phenyls from mineral oils

Title (de)

Verfahren zur Entfernung von Polychlorobiphenylen von Mineralölen

Title (fr)

Procédé d'élimination des polychlorobiphényles d'huiles minérales

Publication

EP 0719572 B1 19990728 (EN)

Application

EP 95116723 A 19951024

Priority

IT MI942660 A 19941228

Abstract (en)

[origin: EP0719572A1] Poly-chloride-bi-phenyls are removed from mineral oils by means of a hydro-dehalogenation reaction in a multi-phase system by means of a process which takes place in a reactor at temperatures between 10 and 150 DEG C and at a pressure less than 5 Atm and the mineral oil containing poly-chloro-bi-phenyls is put in contact and made to react with a multi-phase system comprising an alkali water solution, a hydrogenation catalyst, a phase transfer catalyst and a source of hydrogen.

IPC 1-7

A62D 3/00

IPC 8 full level

A62D 3/37 (2007.01); A62D 101/22 (2007.01)

CPC (source: EP)

A62D 3/37 (2013.01); A62D 2101/22 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE LI NL SE

DOCDB simple family (publication)

EP 0719572 A1 19960703; EP 0719572 B1 19990728; AT E182480 T1 19990815; DE 69511055 D1 19990902; IT 1271341 B 19970527; IT MI942660 A0 19941228; IT MI942660 A1 19960628

DOCDB simple family (application)

EP 95116723 A 19951024; AT 95116723 T 19951024; DE 69511055 T 19951024; IT MI942660 A 19941228