Multifunctional additives

Details Multifunctional additives Multifunctional additives

1975-04-03

1978-09-12

Ford, John M.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544323, 544324, 544357, 544238, 544295, 544405, 544336, 544224, 544330, 544332, 544212, 544198, 544329, 544326, 544328, 544331, 252 475, 252 486, 252 499, 252 515R, 260296R, C07D23948, C07D23950, C07D40114, C07D40306

Patent

active

041137256

ABSTRACT:
As a new class of multifunctional additives for industrial fluids, the compounds having the following general formula: ##STR1## IN WHICH EACH X and Y represents a heterocyclic nitrogen radical and may be the same or different for each occurrence of X and Y; Z is a basic nitrogen-containing radical; n is 0 or an integer of at least 1, preferably 1 to 10; and A, B, C, and D are linked groups derived from compounds which may provide desired functions, such as detergent, antioxidant, and antiwear properties, or indirectly useful functions, such as adsorbency. At least one of A, B, C, or D is amino or anilino or is derived from an alkenylsuccinimide or an alkyl lactam or tetrahydropyrrolidine, or alkyl-substituted Mannich base, having at least 8 carbon atoms in the alkenyl or alkyl radical, or combinations of any of these. The reaction between these products and metal compounds particularly alkali and alkaline earth metal compounds provides more improved properties.

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Brown et al., "The Pyrimidines," Interscience Publishers, New York, (1962), p. 516.

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