Multifunctional additives for lubricants and fuels

Details Multifunctional additives for lubricants and fuels Multifunctional additives for lubricants and fuels

1990-10-22

1992-01-28

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Containing compound having phosphorus bonded directly to...

558164, 252 466, C10L 126

Patent

active

050840690

ABSTRACT:
A lubricant or fuel composition contains a multifunctional antioxidant and antiwear amount of an O,O-diorgano-S-(2-hydroxyalkyl) phosphorodithioate derived hydrogen phosphonate which can be made by reacting a diorganophosphorodithioic acid with an epoxide and a dialkyl phosphite, such as dimethyl phosphite.

REFERENCES:
patent: 2844616 (1958-07-01), McDermott
patent: 3182021 (1965-05-01), Asseff
patent: 3259579 (1966-07-01), Rogers et al.
patent: 3544465 (1970-12-01), Braid
patent: 3654154 (1972-04-01), Braid
patent: 3755501 (1973-08-01), Braid
patent: 3919095 (1975-11-01), Okorodudu
patent: 4784780 (1988-11-01), Farng et al.
patent: 4834893 (1989-05-01), Doner et al.

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