Organophilic polyphenolic acid adducts

Details Organophilic polyphenolic acid adducts Organophilic polyphenolic acid adducts

1986-07-21

1988-04-12

Guynn, Herbert B.

Compositions

Leather or fur treating

252 8511, 252 8551, 260403, 530506, C09K 706, C07F 910

Patent

active

047372958

ABSTRACT:
Organophilic polyphenolic materials which are effective fluid loss control additives for oil base well-working fluids are prepared from a polyphenolic material and one or more phosphatides. Preferred phosphatides are phosphoglycerides obtained from vegetable oils, most preferably commercial lecithin. Preferred polyphenolic materials comprise one or more of: humic acid; lignosulfonic acid; lignins; phenolic condensates; tannins; the oxidized, sulfonated, or sulfomethylated derivatives of these polyphenolic materials; and the water soluble or colloidally dispersible salts of these polyphenolic materials or these derivatives thereof.

REFERENCES:
patent: 2661334 (1953-12-01), Lummus
patent: 2876197 (1959-03-01), Watkins
patent: 2986516 (1961-05-01), Reddie
patent: 3108068 (1963-10-01), Weiss et al.
patent: 3168475 (1965-02-01), Jordan et al.
patent: 3425953 (1969-02-01), Cowan et al.
patent: 3494865 (1970-02-01), Andrews et al.
patent: 4421655 (1983-12-01), Cowan

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