Alkyl ammonium thiocyanate manufacture and lube containing same

Details Alkyl ammonium thiocyanate manufacture and lube containing same Alkyl ammonium thiocyanate manufacture and lube containing same

1974-09-09

1976-04-20

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 47, 252 475, 2605011, 260583K, 260583P, C07C 8704, C07C 8714

Patent

active

039520595

ABSTRACT:
A method of producing an alkyl amine salt of thiocyanic acid having enhanced load-carrying properties when employed in synthetic ester lubricating oils comprising contacting an alkyl amine with ammonium thiocyanate or monoalkyl ammonium thiocyanate at an elevated temperature while continuously blowing the reaction mixture with an oxygen containing gas and recovering the formed alkyl ammonium thiocyanate salt, the oxygen containing gas being introduced into the reaction mixture in a total amount of between about 0.2 and 5.0 moles per equivalent weight of amine; and synthetic ester oil compositions containing a load-carrying additive amount of the alkyl ammonium thiocyanate prepared by said method.

REFERENCES:
patent: 2362890 (1944-11-01), Dietrich
patent: 2483415 (1949-10-01), Hill
patent: 3330763 (1967-07-01), Damrath
patent: 3789075 (1974-01-01), Dundy

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