2,5-Dimercapto-1,3,4-thiadiazole derivatives and lubricants cont

Details 2,5-Dimercapto-1,3,4-thiadiazole derivatives and lubricants cont 2,5-Dimercapto-1,3,4-thiadiazole derivatives and lubricants cont

1979-05-29

1981-01-20

Metz, Andrew

Compositions

Electrolytes for electrical devices

548142, C10M 138

Patent

active

042461260

ABSTRACT:
A novel nitrogen and sulfur composition is prepared by the reaction of 2,5-dimercapto-1,3,4-thiadiazole with a peroxide, preferably hydrogen peroxide. This nitrogen and sulfur composition may be reacted with polysulfides, mercaptans and amino compounds (especially oil-soluble, nitrogen-containing dispersants) to produce lubricant additives having decreased copper activity and a decreased tendency for "lead paint" deposition.

REFERENCES:
patent: 2703785 (1955-03-01), Roberts et al.
patent: 2749311 (1956-06-01), Sabol et al.
patent: 2799652 (1957-07-01), Fields
patent: 3087932 (1963-04-01), Little, Jr.
patent: 3663561 (1972-05-01), Blaha
patent: 4097387 (1978-06-01), Caspari
patent: 4140643 (1979-02-01), Davis

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