Oil dewaxing method

Details Oil dewaxing method Oil dewaxing method

1995-05-25

1996-08-20

Caldarola, Glenn A.

Mineral oils: processes and products

Paraffin wax; treatment or recovery

208 33, 208 35, 208 37, 208 38, C10G 2300, C10G 7306, C10G 7332

Patent

active

055475620

ABSTRACT:
The invention decloses a method for dewaxing a hydrocarbon oil which comprises adding an oil-soluble poly C.sub.18 -C.sub.22 alkylmethacrylate having a molecular weight of from about 10,000 to about 2,000,000 daltons to a hydrocarbon oil containing wax; cooling the oil to allow wax crystals to form, separating the wax crystals from the oil and recovering a dewaxed oil.

REFERENCES:
patent: 3052623 (1962-09-01), Edwards et al.
patent: 4377467 (1983-03-01), Achia
patent: 4406771 (1983-09-01), Briens et al.
patent: 4450353 (1984-05-01), Briens et al.
patent: 4728414 (1988-03-01), West et al.
patent: 5098550 (1992-03-01), Mueller et al.
patent: 5180483 (1993-01-01), Braams et al.

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