Organophilic clay compositions

Details Organophilic clay compositions Organophilic clay compositions

1989-05-22

1990-10-02

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Clay containing

106487, C04B 3302

Patent

active

049607405

ABSTRACT:
Organophilic clays which are effective fluid loss control additives for oil base well-working fluids are prepared from a swelling smectite clay and one or more phosphatides. Preferred phosphatides are phosphoglycerides obtained from vegetable oils, most preferably commercial lecithin such as soybean lecithin. The organophilic clays may also contain quaternary ammonium compounds.

REFERENCES:
patent: 2885358 (1959-05-01), Reddie
patent: 2986516 (1961-05-01), Reddie
patent: 4105578 (1978-08-01), Findlayson et al.
patent: 4623398 (1986-11-01), Goodman et al.

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