C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 47/57 (2006.01) C07C 37/20 (2006.01) C07C 37/64 (2006.01) C07C 39/11 (2006.01) C07C 45/68 (2006.01) C07C 47/575 (2006.01) C10M 129/04 (2006.01) C10M 141/00 (2006.01) C10M 145/20 (2006.01) C10M 159/22 (2006.01) C10M 161/00 (2006.01) C10M 163/00 (2006.01)
Patent
CA 2404990
A saligenin derivative such as the magnesium salt of a polynuclear bridged phenol product is useful as an additive for a lubricating composition. Up to 11 hydrocarbyl-substituted phenolic aromatic units are bridged by -CH2- or - CH2OCH2 groups, and additional terminal -CHO or -CH2OH substituents may be present. At least one aromatic ring contains a hydrocarbyl substituent of 1 to 60 carbon atoms, and the total number of carbon atoms in all such hydrocarbyl groups should be at least 7.
Un dérivé de saligénine tel que le sel de magnésium d'un produit phénolique ponté polynucléaire est utilisé comme additif pour une composition lubrifiante. Jusqu'à 11 motifs aromatiques phénoliques hydrocarbyl-substitués sont pontés par des groupes -CH¿2?- ou -CH¿2?OCH¿2?, et des substituants terminaux -CHO ou -CH¿2?OH peuvent être présents. Au moins un noyau aromatique renferme un substituant hydrocarbyle de 1 à 60 atomes de carbone, et le nombre total d'atomes de carbone dans tous ces groupes hydrocarbyle doit être égal au moins à 7.
Abraham William D.
Adams Paul E.
Carrick Virginia A.
Cowling Susan V.
Denis Richard A.
Ridout & Maybee Llp
The Lubrizol Corporation
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