C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 169/04 (2006.01) C10M 105/42 (2006.01) C10M 129/10 (2006.01) C10M 129/76 (2006.01) C10M 133/12 (2006.01) C10M 133/16 (2006.01) C10M 133/44 (2006.01) C10M 133/46 (2006.01) C10M 135/18 (2006.01) C10M 135/36 (2006.01) C10M 137/04 (2006.01) C10M 145/34 (2006.01)
Patent
CA 2463308
A biodegradable lubricating oil composition especially useful as a gear oil employs a synthetic alcohol ester basestock formed from mono- and dipentaerythritol with certain mono- and dicarboxylic acids or dicarboxylic acid anhydrides and an effective amount of a polyoxyalkylene alcohol demulsifying agent, a combination of alkylated organic acid and ashless succinimide rust inhibitors and an ashless dithiocarbamate antiwear and extreme pressure agent.
L'invention concerne une composition d'huile lubrifiante biodégradable très utile en tant qu'huile pour engrenage constituée d'une huile de base d'ester d'alcool synthétique formée à partir de mono et de dipentaérythritol avec certains acides mono et dicarboxyliques ou anhydrides d'acides dicarboxyliques et d'une quantité efficace d'agent anti-émulsifiant à base d'alcool de polyoxyalkylène, d'une combinaison d'acide organique alkylé et d'inhibiteurs de rouille sans cendre à base de succinimide et d'un agent antiusure sans cendre à base de dithiocarbamate et d'un agent contre les pressions élevées.
Ardito Susan C.
Cardis Angeline Baird
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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