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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0919048 (1978-06-26) |
우선권정보 | JP-0077166 (1977-06-30) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 6 인용 특허 : 0 |
Coal dispersing oil compositions containing 10-89.99% by weight of a petroleum oil, 10-89.99% by weight of coal powders and 0.01 to 5% by weight of a surface active agent are produced by mixing previously milled coal powders and a petroleum oil and then dehydrating, or by millng and dehydrating coal
A method for producing coal dispersing oil compositions containing 10-89.99% by weight of a petroleum oil, 10-89.99% by weight of coal powders and 0.01 to 5% by weight of a surface active agent wherein previously milled coal powders and a petroleum oil are mixed and then dehydrated, or a coal is mil
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