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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0432888 (1974-01-14) |
우선권정보 | JA-0088228 (1970-10-09) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 19 인용 특허 : 0 |
High grade cokes are produced by a simple expedient such that a raw material oil is charged into a coking drum and is subjected therein to a two step operation, namely reforming of the oil and subsequent coking under bubbling into the oil of a heated non-oxidizing gas. No fluidized bed of the oil to
A process for producing high grade needle-shaped cokes which comprises: A. charging a raw material oil selected from the group consisting of (a) residual oils resulting from distillation or solvent extraction of petroleum to separate light fractions therefrom, (b) heavy tars and pitches resulting fr
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