C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/38 (2006.01) C07C 69/58 (2006.01) C10M 129/76 (2006.01) C10M 133/06 (2006.01) C10M 133/44 (2006.01) C10M 137/04 (2006.01) C10M 169/04 (2006.01)
Patent
CA 2442236
Oxidation-stable hydraulic oils can be obtained by esterifying polyols with oleic acid and by optionally adding additives, whereby the respective hydraulic oils correspond to the requirements of the thermal oxidation stability test (TOST) in accordance with DIN 51587.
L'invention concerne des huiles hydrauliques stables à l'oxydation, pouvant être obtenues par estérification de polyols à l'aide d'acide oléique et, éventuellement, par ajout d'additifs. Selon cette invention, les huiles hydrauliques correspondantes satisfont aux exigences de l'essai d'oxydation des huiles inhibées pour turbines selon la norme DIN 51587.
Bongardt Frank
Christoph Ralf
Cognis Deutschland Gmbh & Co. Kg
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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