Invention Application
- Patent Title: METHOD FOR PRODUCING IMPREGNATED PITCH
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Application No.: US17595653Application Date: 2021-01-21
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Publication No.: US20220220387A1Publication Date: 2022-07-14
- Inventor: Nobuhiro NISHI , Keisuke OTA , Yoshikuni OKUMURA
- Applicant: SHOWA DENKO K.K.
- Applicant Address: JP Tokyo
- Assignee: SHOWA DENKO K.K.
- Current Assignee: SHOWA DENKO K.K.
- Current Assignee Address: JP Tokyo
- Priority: JP2020-043098 20200312
- International Application: PCT/JP2021/002080 WO 20210121
- Main IPC: C10C3/00
- IPC: C10C3/00 ; C10C3/06 ; C01B32/205 ; H05B7/085
Abstract:
Provided is impregnated pitch having a high fixed carbon content despite being petroleum-based pitch. The method for producing impregnated pitch for graphite electrode production according to one embodiment includes heat treatment of ethylene bottom oil and distillation of the heat-treated product to remove low-boiling-point compounds.
Information query
