C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 101/02 (2006.01) C10G 65/04 (2006.01) C10G 65/12 (2006.01) C10M 105/04 (2006.01)
Patent
CA 2382893
The invention concerns a novel hydrocarbon base oil for lubricants, having a viscosity index not less than 130, comprising mainly long isoparaffinic hydrocarbon chains, branched over several carbon atoms. The invention is characterised in that said chains comprise a number of carbon atoms greater than 25 and have a ratio of the number of substituents consisting of at least two carbon atoms over the number of methyl-type substituents, not less than 0.9.
L'invention concerne une nouvelle huile de base hydrocarbonée pour lubrifiants, ayant un indice de viscosité ou VI supérieur ou égal à 130, comprenant principalement des chaînes hydrocarbonées longues, isoparaffiniques, ramifiées sur plusieurs atomes de carbone. Selon l'invention, ces chaînes comprennent un nombre d'atomes de carbone supérieur à 25 et présentent un rapport du nombre de substitutants composés d'au moins deux atomes de carbone, au nombre de substituants de type méthyl, supérieur ou égal à 0,9.
Robic
Total Raffinage Distribution S.a.
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