Metal deactivators

Details Metal deactivators Metal deactivators

1985-04-02

1988-03-29

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 475, 252 50, 252 515R, 72 42, C10M13342

Patent

active

047342099

ABSTRACT:
New N-substituted compounds, useful as metal deactivators in functional fluids, have the formula I: ##STR1## in which R.sub.1 and R.sub.2 are the same or different and each is C.sub. -C.sub.20 alkyl, C.sub.3 -C.sub.20 alkenyl, C.sub.5 -C.sub.12 cycloalkyl, C.sub.7 -C.sub.13 aralkyl, C.sub.6 -C.sub.10 aryl, or R.sub.1 and R.sub.2, together with the nitrogen atom to which they are each attached form a 5-, 6- or 7-membered heterocyclic residue, or R.sub.1 and R.sub.2 is each a residue of formula II:

REFERENCES:
patent: 3647814 (1972-03-01), Greenfield
patent: 3663436 (1972-05-01), Carswell
patent: 3914179 (1975-10-01), Byford et al.
patent: 4278553 (1981-07-01), Sunz et al.
patent: 4392968 (1983-07-01), Ishida et al.

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