Imidazoline salts of acid phosphonates

Details Imidazoline salts of acid phosphonates Imidazoline salts of acid phosphonates

1979-02-01

1980-08-05

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548347, 548353, 252 325, C07D23314

Patent

active

042163340

ABSTRACT:
Salts of (a) an alkyl, long chain alkyl acid phosphonate having the formula: ##STR1## where R' is a substantially unbranched paraffinic alkyl group containing from about 10 to about 36 carbon atoms, and R is a hydrocarbyl group containing from 1 to about 4 carbon atoms with at least one hydrogen atom present on the carbon atom which is bonded to oxygen and (b) a substituted imidazoline of the formula: ##STR2## where one of the R.sup.2 and R.sup.3 substituents must be a substantially unbranched paraffinic or olefinic hydrocarbyl group containing from about 12 to about 35 carbon atoms; and the other R.sup.2 or R.sup.3 substituent is selected from the group consisting of: paraffinic alkyl containing from 1 to about 35 carbon atoms, alkenyl containing from 2 to about 35 carbon atoms, substituted alkyl containing from 1 to about 20 carbon atoms and substituted alkenyl containing from 2 to about 20 carbon atoms, wherein said substituents are selected from the group consisting of hydroxy, alkoxy, alkoxy-methoxy and oxo are provided. The alkylamine salts are contemplated for use as anti-wear agents and friction modifiers for lubricating oils and greases.

REFERENCES:
patent: Re23227 (1950-05-01), Blair, Jr. et al.
patent: 3514399 (1970-05-01), Robinson
patent: 3584008 (1971-06-01), Redmore
patent: 3585210 (1971-06-01), Redmore
patent: 3674804 (1972-07-01), Redmore
patent: 3793199 (1974-02-01), Schlicht
patent: 4052324 (1977-10-01), Braid
patent: 4125472 (1978-11-01), Braid

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