C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 139/00 (2006.01) C07F 5/02 (2006.01) C07F 5/04 (2006.01) C07F 5/05 (2006.01)
Patent
CA 2281606
Sulfur-containing boroester compounds useful as antiwear additives for oleaginous compositions including acyclic borate thioesters having general formula (I) wherein R1 represents a hydrocarbyl radical having between 4 to 12 carbon atoms, R2 and R3 independently represent -(OR4)nSR1 and -(OR4)nSR1OH; R4 represents a hydrocarbyl radical having between 1 to 6 carbon atoms; n is an integer of from between 1 to 4; and 1 and m are independently 0, 1 or 2; or thioalkyl-substituted cyclic metaborate ester having general formula (II) wherein n, R1 and R4, are defined as in formula (I); or a mixture of the acyclic compounds of formula (I) and the cyclic compounds of formula (II).
Cette invention concerne des composés de boroester renfermant du soufre qui constituent des additifs anti-usure utiles pour des compositions oléagineuses, dont des thioesthers de borate acyclique de formule générale (I) où R?1¿ représente un radical d'hydrocarbyle comprenant de 4 à 12 atomes de carbone, R?2¿ et R?3¿ représentent indépendamment -(OR?4¿)¿n?SR?1¿ et -(OR?4¿)¿n?SR?1¿OH; R?4¿ représente un radical d'hydrocarbyle ayant de 1 à 6 atomes de carbone; n est un entier compris entre 1 et 4; et 1 et m sont indépendamment 0, 1 ou 2; ou bien un ester métaborate cyclique substitué par thioalkyle de formule générale (II) où n, R?1¿ et R?4¿ sont définis comme dans la formule (I); ou bien un mélange des composés acycliques de formule (I) et des composés cycliques de formule (II).
Bloch Ricardo Alfredo
Nibert Roger Keith
Puckace James Stanley
Ryer Jack
Watts Raymond Frederick
Borden Ladner Gervais Llp
Infineum Usa L.p.
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