Upgrading petroleum asphaltenes

Details Upgrading petroleum asphaltenes Upgrading petroleum asphaltenes

1984-04-02

1988-01-12

Sneed, Helen M. S.

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

Chemical modification of asphalt, tar, pitch or resin

208208R, 208240, 208232, 208208M, C10G 120, C10G 1908, C10G 4510

Patent

active

047190000

ABSTRACT:
1. A process for reducing the sulfur content of petroleum asphaltenes containing sulfur comprising:

REFERENCES:
patent: 3989618 (1976-11-01), McCollum et al.
patent: 4248695 (1981-02-01), Swanson
patent: 4313737 (1982-02-01), Massey et al.
patent: 4364740 (1982-12-01), Massey et al.
patent: 4392946 (1983-07-01), Estes et al.
patent: 4483761 (1984-11-01), Paspek, Jr.

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