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Document Type and Number:
Japanese Patent JPS6227119
Kind Code:
B2
Abstract:
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: wherein R7, R8, R9 and R10 are specified groups.

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Inventors:
ASKEW HERBERT FRANK
HARRINGTON COLIN JOHN
BRIDGWATER TERRY JOHN PATRICK
Application Number:
JP8573875A
Publication Date:
June 12, 1987
Filing Date:
July 11, 1975
Export Citation:
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Assignee:
CASTROL LTD
International Classes:
C10M141/12; C10M129/84; C10M133/04; C10M139/00; C10M141/02; C10M141/06; C10M169/00; C10M169/04; F15C5/00; F16D25/00; C10N30/00; C10N40/08; C07C; C10M



 
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