Post-treatment of spinnable precursors from petroleum pitch

Details Post-treatment of spinnable precursors from petroleum pitch Post-treatment of spinnable precursors from petroleum pitch

1983-03-28

1985-03-05

Gantz, Delbert E.

Mineral oils: processes and products

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

Chemical modification of asphalt, tar, pitch or resin

208 40, 208 39, 208 45, 208 22, C10C 120, C10C 118, C10C 308

Patent

active

045029431

ABSTRACT:
A spinnable precursor from petroleum pitch is obtained by subjecting a distillable oil removed carbonaceous residue of petroleum origin to solvent extraction and thereafter heat treating the extracted solvent insoluble fraction under reduced pressure.

REFERENCES:
patent: 3919376 (1975-11-01), Schulz
patent: 4032430 (1977-06-01), Lewis
patent: 4184942 (1980-01-01), Angier et al.
patent: 4208267 (1980-06-01), Diefendorf et al.
patent: 4219404 (1980-08-01), Dickakian
patent: 4271006 (1981-06-01), Dickakian
patent: 4301135 (1981-11-01), Nazem et al.
patent: 4317809 (1982-03-01), Lewis et al.
patent: 4402928 (1983-09-01), Lewis et al.

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