Organophilic modified polymers

Details Organophilic modified polymers Organophilic modified polymers

1988-02-29

1989-09-05

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 543, 536 62, 536117, C07F 910, C09K 706

Patent

active

048639800

ABSTRACT:
Organophilic polymer adducts which are effective fluid loss control additives for oil base well-working fluids are prepared from an anionic or cationic water soluble polymer and one or more phosphatides. Preferred phosphatides are phosphoglycerides obtained from vegetable oils, most preferably commercial lecithin. Preferred polymers comprise polysaccharides or derivatives thereof and synthetic polymers.

REFERENCES:
patent: 3440190 (1969-04-01), Melby
patent: 3925274 (1975-12-01), Brickman et al.
patent: 4471113 (1984-09-01), MacCoss
patent: 4757003 (1988-07-01), Matsumoto et al.
patent: 4797479 (1989-01-01), Shuto et al.

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