Process for preparing a sulfonated dispersant from petroleum asp

Details Process for preparing a sulfonated dispersant from petroleum asp Process for preparing a sulfonated dispersant from petroleum asp

1993-03-08

1994-06-21

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106274, 106278, 106668, 106725, 252353, C09D19500, C09D 108, C09C 128, C09C 144

Patent

active

053225562

ABSTRACT:
A process for preparing a sulfonated dispersant from a petroleum asphalt fraction, comprising:

REFERENCES:
patent: 2121845 (1938-06-01), Wernicke
patent: 2783273 (1957-02-01), Verley
patent: 2815370 (1957-12-01), Hutchings et al.
patent: 3089842 (1963-05-01), Stratton
patent: 3108060 (1963-10-01), Matthews, II
patent: 3173800 (1965-03-01), Wilson
patent: 3970690 (1976-07-01), Suzuki et al.
patent: 4741868 (1988-05-01), Rooney et al.

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