Ashless detergent dispersant

Details Ashless detergent dispersant Ashless detergent dispersant

1975-12-05

1976-11-09

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 327E, 252 496, 252 467, 252 336, 252 34, 252 515A, 2602472A, 2602472B, 260268H, 260268PL, 26029363, 26029371, 2603096, 26032621, 26032626, C07D40306

Patent

active

039910563

ABSTRACT:
The invention comprises an oil-soluble ashless detergent dispersant consisting of a reaction product obtained by reacting (a) an alkenyl dibasic acid or its anhydride (the alkenyl group having at least 40 carbon atoms) with (b) an alcohol of the hindered type and then reacting the so obtained intermediate with (c) an amine or its derivative or analogue [the sum of moles of primary and secondary amino groups of (c) not exceeding the sum of moles of the ester linkage formed by the reaction between (a) and (b)], or consisting of a borated or phosphosulfided product obtained by reacting the above reaction product with boric acid (or its anhydride) or phosphorus pentasulfide.

REFERENCES:
patent: 3087936 (1963-04-01), Le Suer
patent: 3576743 (1971-04-01), Widmer et al.
patent: 3950341 (1976-04-01), Okamoto et al.
Liao, Chien-Wei, Chemical Abstracts vol. 75, p. 51194x, (1971).

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