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Document Type and Number:
Japanese Patent JPH0414720
Kind Code:
B2
Abstract:
There is proposed a process for the purification of fluorinated lubricants, free from hydrogen, such as perfluorinated ethers or chlorofluorocarbons, whose elimination can be dangerous for the environment owing to the fluorine release, such a process consisting in dissolving the lubricant in a fluorochlorinated hydrocarbon, then in precipitating by means of a grease solvent, in separating, in degasing and finally in filtering in order to remove the mechanical impurities.

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Inventors:
HANNEROORE SHUTOROOBATSUHA
Application Number:
JP18719883A
Publication Date:
March 13, 1992
Filing Date:
October 07, 1983
Export Citation:
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Assignee:
MONTEFLUOS SPA
International Classes:
C10G21/18; B01D11/00; C08F8/20; C08G65/00; C08G65/30; C10M105/50; C10M175/00; C10N40/30



 
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