Phthalocyanine complex-filled greases

Compositions – Electrolytes for electrical devices

Patent

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Details

252 497, 252 52R, 252 54, 252 56R, C10M11930

Patent

active

047691638

ABSTRACT:
Disclosed is a lubricating grease composition of about 90 to about 99% by weight of a lubricant and about 1 to about 5% by weight of polymeric organometallic phthalocyanine complex, including nitrogen-substituted analogues thereof, where the complexed metal ion is a Group IVA metal. The lubricating composition is used in ball and roller bearings, especially at high speeds and high temperatures.

REFERENCES:
patent: 2597018 (1952-05-01), Merker et al.
patent: 2836563 (1958-05-01), Dilworth et al.
patent: 2929779 (1960-03-01), Sullivan et al.
patent: 3051721 (1962-08-01), Pfeiffer
patent: 3432432 (1969-03-01), Dreker

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