Compositions comprising dimeric or oligomeric ferrocenes

C - Chemistry – Metallurgy – 10 – L

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Details

C10L 1/30 (2006.01) C10L 1/12 (2006.01) C10L 10/02 (2006.01) C10L 10/06 (2006.01) C07F 17/02 (2006.01)

Patent

CA 2420764

The present invention relates to iron-organo compounds and the use of such compounds in the regeneration of particulate filter traps in combustion systems such as high-compression spontaneous ignition engines. The iron-organo compounds have the formula X-Y where (X) represents the group of formula: (Y) represents the formula: each A and B is independently an unsubstituted or substituted aromatic carbon ring or an unsubtituted or substituted aromatic heterocyclic ring; the or each Z is independently an unsubstituted or substituted divalent hydrocarbyl group; n is 0 or an integer of from 1 to 10.

L'invention concerne des composés ferro-organiques et l'utilisation de ces composés dans la régénération de filtres pièges à particules de systèmes de combustion tels que des moteurs à compression élevée à allumage spontané. Les composés ferro-organiques sont représentés par la formule X-Y ; X étant le groupe représenté par la formule (I) ; Y étant représenté par la formule (II) ; chaque A et chaque B représentant indépendamment un noyau carbone aromatique non substitué ou substitué, ou un noyau hétérocyclique aromatique non substitué ou substitué ; chaque Z représentant indépendamment un groupe hydrocarbyle divalent non substitué ou substitué ; n égalant 0 ou étant un nombre entier compris entre 1 et 10.

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