Process and huminate fraction

Details Process and huminate fraction Process and huminate fraction

1988-05-13

1990-08-07

Griffin, Ronald W.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Lignin or derivative doai

514730, 568715, 210649, 536121, A61K 3100, C07C 3300

Patent

active

049468294

ABSTRACT:
A process for the preparation of a low molecular weight alkali metal or ammonium huminate fraction comprising stirring an aqueous suspension of a humic containing material while adding an alkaline substance without exceeding a pH of 7, allowing the solids to settle from the suspension, centrifuging the solid free solution and subjecting the solution to ultrafiltration to obtain a low molecular weight alkali metal or ammonium huminate fraction and an improved method of healing wounds.

REFERENCES:
patent: 3238100 (1966-03-01), Meyer et al.
patent: 4728642 (1988-03-01), Pawelchak et al.
patent: 4843105 (1989-06-01), Rerschl et al.
Lakatos et al., Chemical Abstracts, vol. 88 (5), Jan. 30, 1978; 88:36425y, p. 405.
Zeng et al., Chemical Abstracts, vol. 103 (13), Sep. 30, 1985; 103:98707d, p. 56.
Wang et al., Chemical Abstracts, vol. 97 (25), Dec. 20, 1982; 97:208076q, p. 70.

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