Well working compositions, method of decreasing the seepage loss

Compositions – Leather or fur treating

Patent

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Details

162 6, 162 99, 252 85LC, 252 85C, 252 855R, C09K 706, C09K 702

Patent

active

044041071

ABSTRACT:
Disclosed is a fine particle size hydrophobic organophilic water wettable cotton and its use as a seepage control additive in well-working fluids. Also disclosed is a process of preparing this additive which comprises reacting raw cotton, which contains its natural oils and waxes, with dry hydrochloric acid gas.

REFERENCES:
patent: 2195302 (1940-03-01), Hampel
patent: 2477219 (1949-04-01), Van Dyke
patent: 2599745 (1952-06-01), Campbell et al.
patent: 3310125 (1967-03-01), Darley
patent: 4356096 (1982-10-01), Cowan et al.

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