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1.Production of carbon black from high-boiling aromatic oils or tars 失效
Title translation: 从高沸点芳香油或焦油制造炭黑公开(公告)号:US2572734A
公开(公告)日:1951-10-23
申请号:US13325249
申请日:1949-12-16
Applicant: PHILLIPS PETROLEUM CO
Inventor: KRAMER BURT R
IPC: C09C1/50
CPC classification number: C09C1/50
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公开(公告)号:US2519770A
公开(公告)日:1950-08-22
申请号:US9041349
申请日:1949-04-29
Applicant: PHILLIPS PETROLEUM CO
Inventor: KRAMER BURT R
CPC classification number: F16J12/00 , B01J3/03 , Y10S425/026
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