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31.
公开(公告)号:US2045346A
公开(公告)日:1936-06-23
申请号:US62054832
申请日:1932-07-01
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , IVAN TAYLOR WILLIAM
IPC: D01F2/30
CPC classification number: D01F2/30
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公开(公告)号:US2021717A
公开(公告)日:1935-11-19
申请号:US61070232
申请日:1932-05-11
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , ALEXANDER DICKIE WILLIAM , WIGHTON MONCRIEFF ROBERT
CPC classification number: D06M11/38
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公开(公告)号:US1955793A
公开(公告)日:1934-04-24
申请号:US47633430
申请日:1930-08-19
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , IVAN TAYLOR WILLIAM
IPC: D01F2/30
CPC classification number: D01F2/30
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公开(公告)号:US1950025A
公开(公告)日:1934-03-06
申请号:US46365830
申请日:1930-06-25
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , IVAN TAYLOR WILLIAM
IPC: D01F2/30
CPC classification number: D01F2/30
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公开(公告)号:US1933587A
公开(公告)日:1933-11-07
申请号:US49514030
申请日:1930-11-12
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , EDWARD KINSELLA , IVAN TAYLOR WILLIAM
IPC: D01D4/00
CPC classification number: D01D4/00 , Y10S425/217
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公开(公告)号:US1915569A
公开(公告)日:1933-06-27
申请号:US28561428
申请日:1928-06-15
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , IVAN HANEY CLIFFORD
IPC: C07C51/56
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37.Dyeing, printing, or stenciling of materials made of or containing cellulose derivatives 失效
Title translation: 由纤维素衍生物制成或含有的材料进行染色,印刷或模版公开(公告)号:US1914942A
公开(公告)日:1933-06-20
申请号:US35660129
申请日:1929-04-19
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , HOLLAND ELLIS GEORGE , TOBIAS OCKMAN , CHARLES OLPIN HENRY
IPC: C09B35/26
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公开(公告)号:US1898085A
公开(公告)日:1933-02-21
申请号:US38941229
申请日:1929-08-30
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , ALEXANDER DICKIE WILLIAM , IVAN TAYLOR WILLIAM
CPC classification number: D01F2/28 , A47C23/32 , D01D5/20 , D01F2/30 , Y10T428/2976
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公开(公告)号:US1864531A
公开(公告)日:1932-06-28
申请号:US34744829
申请日:1929-03-15
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , WALTER BADER
IPC: C07C29/151 , C07C29/153 , C07C51/10
CPC classification number: C07C29/153 , C07C29/1512 , C07C51/10 , C07C53/08 , C07C31/04
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公开(公告)号:US2402538A
公开(公告)日:1946-06-25
申请号:US39170541
申请日:1941-05-03
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS
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