Process for preparing petroleum-derived binder pitch
AssigneeNippon Oil Co., Ltd.
InventorsOsamu Kato, Seiichi Uemura, Syunichi Yamamoto, Takao Hirose, Hiroaki Takashima
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Abstract
A process for the preparation of petroleum-derived binder pitch, comprising heat treating a mixture of both (1) a heavy fraction boiling at not lower than 200.degree. C. and being obtained by the steam cracking of petroleum such as naphtha and (2) a heavy fraction boiling at not lower than 200.degree. C. and being obtained by the catalytic cracking of petroleum such as gas oil.
Claims8
A process for the preparation of petroleum-derived binder pitch, comprising heat treating at 380.degree.-500.degree. C. for 15 minutes-20 hours a mixture of both (1) a heavy fraction boiling at not lower than 200.degree. C. and being obtained by the steam cracking of petroleum and (2) a heavy fraction boiling at not lower than 200.degree. C. and being obtained by the catalytic cracking of petroleum.
Dependencies are inferred from the claim text.