发明授权
- 专利标题: Method for manufacturing petroleum pitch having high aromaticity
- 专利标题(中): 制造具有高芳香度的石油沥青的方法
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申请号: US49985874申请日: 1974-08-22
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公开(公告)号: US3928170A公开(公告)日: 1975-12-23
- 发明人: TAKAHASHI RYOICHI , HOSOI TAKUJI , AIBA TAKAAKI , KONNO TSUTOMU
- 申请人: KUREHA CHEMICAL IND CO LTD
- 专利权人: Kureha Chemical Ind Co Ltd
- 当前专利权人: Kureha Chemical Ind Co Ltd
- 优先权: US49985874 1974-08-22; JP1923071 1971-04-01; US24061972 1972-04-03
- 主分类号: C10C3/00
- IPC分类号: C10C3/00 ; C10G51/02 ; C10G9/36
摘要:
Method of producing a pitch suitable for a binder, said method comprising bringing petroleum base residual oil into direct contact with a non-oxidative gaseous heat transfer medium to subject said oil to cracking poly-condensation.
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