Title:
NEEDLE COKE FOR GRAPHITE ELECTRODE, NEEDLE COKE MANUFACTURING METHOD, AND INHIBITOR
Document Type and Number:
WIPO Patent Application WO/2022/215747
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: needle coke for graphite electrodes for which a huge cost is not required at the time of manufacturing, in which puffing of the needle coke is suppressed, and which improves manufacturing yield and properties of graphite electrodes; a manufacturing method thereof; and an inhibitor. This inhibitor for graphite electrode production is volatile at a temperature of 2100-6000°C and comprises: a metal comprising at least one element (Mβ) selected from the group consisting of Group 4 elements, Group 8 elements, Group 9 elements, Group 10 elements, Group 13 elements, Group 14 elements, and Group 15 elements of the long form of periodic table, and/or one oxide including the element (Mβ); or a metal comprising the element (Mβ) and/or a compound including the element (Mβ).
Inventors:
SHIMOOKA SATOSHI (JP)
Application Number:
PCT/JP2022/017351
Publication Date:
October 13, 2022
Filing Date:
April 08, 2022
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
C01B33/20; C01B32/05; C01B32/205; C01B33/22; C01B33/24; C04B35/52; C04B35/524; C04B35/528; C10B57/04; C10B57/06
Domestic Patent References:
| WO1995027766A1 | 1995-10-19 |
Foreign References:
| JP2001329271A | 2001-11-27 | |||
| JP2001011471A | 2001-01-16 | |||
| JPS6259511A | 1987-03-16 | |||
| JPS4947637B1 | 1974-12-17 | |||
| JPS54146205A | 1979-11-15 | |||
| JP2021066201A | 2021-04-30 | |||
| JP2021066203A | 2021-04-30 | |||
| JP2021066639A | 2021-04-30 | |||
| JPS6033208A | 1985-02-20 | |||
| JPS60208392A | 1985-10-19 | |||
| JPS63135486A | 1988-06-07 | |||
| JP2001329271A | 2001-11-27 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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