Use of quaternized polyamidoamines as demulsifiers

Details Use of quaternized polyamidoamines as demulsifiers Use of quaternized polyamidoamines as demulsifiers

1982-01-29

1984-05-15

Lieberman, Allan

Compositions

Preservative agents

Anti-corrosion

252358, 525451, B01D 1704, C08G 6900

Patent

active

044487088

ABSTRACT:
Emulsions of oil and water are resolved by contacting the emulsions with a quaternized polyamidoamine having pendent quaternary ammonium moieties, e.g., an adduct of (1) polyamidoamine prepared from methyl methacrylate and ethylenediamine and (2) 2-hydroxy-3-chloropropyl trimethyl ammonium chloride.

REFERENCES:
patent: 3424794 (1969-01-01), Miller et al.
patent: 3528928 (1970-09-01), Rushton
patent: 3585148 (1971-06-01), Sackis
patent: 3900423 (1975-04-01), Markofsky
patent: 3929632 (1975-12-01), Buriks et al.
patent: 4088600 (1978-05-01), Tutein et al.
patent: 4141854 (1979-02-01), Pavilcius et al.
patent: 4179396 (1979-12-01), Gabel et al.
patent: 4277581 (1981-07-01), Vanderberghe et al.

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