C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 215/50 (2006.01) C07C 215/46 (2006.01) C10M 133/08 (2006.01) C10M 133/54 (2006.01) C10M 159/16 (2006.01) C10M 169/04 (2006.01)
Patent
CA 2432704
Low molecular weight Mannich base condensates of hydroxy aromatic compounds, an aldehyde; and an amine, wherein the combined number of substituent carbon atoms does not exceed 80. Such compounds are useful as soot dispersants in lubricating oils when used alone, or in combination with high molecular weight dispersants.
L'invention concerne des condensats de base de Mannich de composés hydroxy aromatiques présentant un faible poids moléculaire, préparés au moyen d'un aldéhyde en présence d'une amine, et dont le nombre combiné d'atomes de carbone de substitution ne dépasse pas 80. Ces composés sont utiles, seuls, comme dispersants de suies dans des huiles lubrifiantes, ou combinés à des dispersants de poids moléculaire élevé.
Bloch Ricardo A.
Gutierrez Antonio
Kleist Robert A.
Stevens Mark G.
Borden Ladner Gervais Llp
Infineum International Limited
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