Demulsifier compositions and demulsifying use thereof

Details Demulsifier compositions and demulsifying use thereof Demulsifier compositions and demulsifying use thereof

1991-05-28

1992-04-07

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252331, 252333, 252344, 252358, 525530, B01D 1704

Patent

active

051025809

ABSTRACT:
A blend of a first block oxyalkylated copolymer of a bishydroxyalkyl ether and a second block oxyalkylated copolymer of 2-amino-2-hydroxymethyl 1,3-propanediol partially cross-linked with a vinyl polymer in the pH reducing presence of an alkylsulfonic acid is provided and can be used as an effective demulsifier.

REFERENCES:
patent: 3511882 (1970-05-01), Seale et al.
patent: 4098717 (1978-07-01), Buriks et al.
patent: 4120815 (1978-10-01), Raman
patent: 4326968 (1982-04-01), Blair, Jr.
patent: 4448708 (1984-05-01), Killat et al.
patent: 4626379 (1986-12-01), Buriks et al.
patent: 4877842 (1989-10-01), Buriks et al.

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