Organophilic polyphenolic acid additives for well-working compos

Details Organophilic polyphenolic acid additives for well-working compos Organophilic polyphenolic acid additives for well-working compos

1981-06-11

1983-12-20

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85P, 252 855R, 260124R, 260401, 2604045, C09K 706

Patent

active

044216556

ABSTRACT:
The invention provides novel organophilic derivatives of polyphenolic compounds which are readily soluble and/or dispersible in hydrocarbons to prepare oil base well-working compositions having a low filter loss. These fluid loss additives are obtained by reacting together one or more polyphenolic acid compounds with one or more polyamino compounds and a polyvalent metallic cation compound.
The invention also provides a method of preparing organophilic ammonium salts of polyphenolic compounds of enhanced stability and oil solubility, and well-working fluids containing these salts.

REFERENCES:
patent: 3168475 (1965-02-01), Jordan et al.
patent: 3232870 (1966-02-01), Cowan et al.
patent: 3494865 (1970-02-01), Andrews et al.
patent: 3671427 (1972-06-01), Andrews et al.
patent: 3671428 (1972-06-01), Kim

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