发明授权
- 专利标题: Low PAH pitch and process for same
- 专利标题(中): 低PAH间距和过程相同
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申请号: US156240申请日: 1993-11-23
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公开(公告)号: US5534134A公开(公告)日: 1996-07-09
- 发明人: William Roder , Eric F. V. Scriven
- 申请人: William Roder , Eric F. V. Scriven
- 申请人地址: IN Indianapolis
- 专利权人: Reilly Industries, Inc.
- 当前专利权人: Reilly Industries, Inc.
- 当前专利权人地址: IN Indianapolis
- 主分类号: C10C3/00
- IPC分类号: C10C3/00
摘要:
Described are preferred pitches which comprise a blend of coal tar pitch, petroleum pitch and gilsonite pitch, and preferred processes and compositions which can be used to form such pitches. The pitches have substantially reduced contents of polyaromatic hydrocarbons (PAH's) relative to standard coal tar pitches, and are thus more favorable from health, safety and environmental standpoints.
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