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121.Recovery of ammonia and amines from their salts with organic acids 失效
Title translation: 用有机酸从其盐中回收氨和胺公开(公告)号:US2090941A
公开(公告)日:1937-08-24
申请号:US1243835
申请日:1935-03-22
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , FINNINGLEY OXLEY HORACE , BOADEN THOMAS EDWARD
IPC: C01C1/00
CPC classification number: C01C1/02
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公开(公告)号:US2089191A
公开(公告)日:1937-08-10
申请号:US408535
申请日:1935-01-30
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , DONALD FINLAYSON
CPC classification number: D02G1/02
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123.
公开(公告)号:US2068538A
公开(公告)日:1937-01-19
申请号:US56144231
申请日:1931-09-05
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:US2042703A
公开(公告)日:1936-06-02
申请号:US73490834
申请日:1934-07-13
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , WILLIAM POOL
IPC: D03D37/00
CPC classification number: D03D37/00 , D03D2700/166
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公开(公告)号:US2038722A
公开(公告)日:1936-04-28
申请号:US49679830
申请日:1930-11-19
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:US1996796A
公开(公告)日:1935-04-09
申请号:US39040029
申请日:1929-09-04
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , ALEXANDER DICKIE WILLIAM , IVAN TAYLOR WILLIAM
IPC: D01D5/20
CPC classification number: D01D5/20
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公开(公告)号:US1968073A
公开(公告)日:1934-07-31
申请号:US49513930
申请日:1930-11-12
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , ALEXANDER DICKIE WILLIAM , CORBYN HALE FRANK
IPC: D03D47/24
CPC classification number: D03D47/24
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128.Process and apparatus for the production of artificial filaments or threads 失效
Title translation: 用于生产人造细丝或线的方法和设备公开(公告)号:US1814468A
公开(公告)日:1931-07-14
申请号:US23644827
申请日:1927-11-29
Applicant: CELANESE CORP
Inventor: HENRY DREYFUS , EDWARD KINSELLA , JOSHUA BOWER , IVAN TAYLOR WILLIAM
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