Organophilic clay compositions

Details Organophilic clay compositions Organophilic clay compositions

1987-11-23

1989-06-27

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Clay containing

106487, 106504, 252 8515, C09K 706

Patent

active

048430480

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: 2793996 (1957-05-01), Lummus
patent: 2885358 (1959-05-01), Reddie
patent: 2986516 (1961-05-01), Reddie
patent: 3006845 (1961-10-01), Van Dyke
patent: 3057797 (1962-10-01), Anderson et al.
patent: 4105578 (1978-08-01), Finlayson et al.
patent: 4287086 (1981-09-01), Finlayson et al.
patent: 4450095 (1984-05-01), Finlayson et al.
patent: 4623398 (1986-11-01), Goodman
patent: 4631091 (1986-12-01), Goodman
patent: 4713183 (1987-12-01), Patel et al.

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