F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
253/136
F16D 25/00 (2006.01) C10M 129/84 (2006.01) C10M 133/04 (2006.01) C10M 139/00 (2006.01) C10M 141/12 (2006.01) F15C 5/00 (2006.01)
Patent
CA 1052368
" HYDRAULIC FLUIDS " ABSTRACT OF THE DISCLOSURE A composition suitable for use as a hydraulic fluid comprises: (a) a lubricating oil preferably in an amount of from 20 to 80% by weight; (b) a minor amount of oil-soluble borate ester; (c) an amine which prevents deposition of oil- insoluble hydrolysis products of the borate ester; and optionally (d) an oil soluble orthoester of the formula: Image wherein R7, R8, R9 and R10 are specified groups.
231285
Askew Herbert F.
Bridgwater Terry J.p.
Harrington Colin J.
Castrol Limited
Na
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