C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 169/06 (2006.01) C10M 115/08 (2006.01) C10M 125/22 (2006.01) C10M 135/18 (2006.01) C10M 137/14 (2006.01)
Patent
CA 2639941
A grease composition comprising base oil, one or more urea thickeners, (A) in the range of from 0.1 to 5 weight% of tungsten disulphide and (B) in the range of from 0.1 to 5 weight% of one or more of zinc dithiophosphates and/or one or more molybdenum dialkyl dithiocarbamates, based on the total weight of the grease composition.
La présente invention concerne une formule de matière grasse qui comprend une huile de base, un ou plusieurs agents épaississants de type urée, (A) une teneur comprise entre 0,1 et 5 % en poids de disulfure de tungstène et (B) une teneur comprise entre 0,1 et 5 % en poids d'un ou de plusieurs dithiophosphates de zinc et/ou d'un ou de plusieurs dialkyldithiocarbamates de molybdène, par rapport au poids total de la formule de matière grasse.
Numazawa Koichi
Ozaki Takahiro
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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