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1.发明授权
公开(公告)号：US2228884A
公开(公告)日：1941-01-14
申请号：US18216737
申请日：1937-12-28
Applicant: CELANESE CORP
Inventor： CHARLES OLPIN HENRY , FINLEY TOPHAM CHARLES
IPC: C09B1/28
CPC classification number: C09B1/285
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公开(公告)号：US2178744A
公开(公告)日：1939-11-07
申请号：US17005337
申请日：1937-10-20
Applicant: CELANESE CORP
Inventor： HOLLAND ELLIS GEORGE , FINLEY TOPHAM CHARLES
CPC classification number: D06P3/8223 , D06P3/44 , D06P3/68 , Y10S8/918 , Y10S8/921
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公开(公告)号：US2196984A
公开(公告)日：1940-04-16
申请号：US18216637
申请日：1937-12-28
Applicant: CELANESE CORP
Inventor： HOLLAND ELLIS GEORGE , FINLEY TOPHAM CHARLES , CHARLES OLPIN HENRY
IPC: C09B31/02 , C09B31/043
CPC classification number: C09B31/043 , C09B31/02 , Y10S8/921
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