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公开(公告)号:US1735956A
公开(公告)日:1929-11-19
申请号:US9966026
申请日:1926-04-03
Applicant: HENRY DREYFUS
Inventor: HENRY DREYFUS
IPC: C07C51/56
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公开(公告)号:US1696363A
公开(公告)日:1928-12-25
申请号:US9744826
申请日:1926-03-25
Applicant: CELANESE CORP
Inventor: PEARSON SKERTCHLY WILLIAM
IPC: C07C51/573
CPC classification number: C07C51/573 , C07C53/12
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公开(公告)号:US1579248A
公开(公告)日:1926-04-06
申请号:US4282725
申请日:1925-07-10
Applicant: STE CHIM USINES RHONE
Inventor: JEAN ROY GUSTAVE
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公开(公告)号:US1429650A
公开(公告)日:1922-09-19
申请号:US42266520
申请日:1920-11-08
Applicant: SHAWINIGAN LAB LTD
Inventor: SKIRROW FREDERICK W
IPC: C07C51/56
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公开(公告)号:US1425500A
公开(公告)日:1922-08-08
申请号:US23080718
申请日:1918-04-25
Applicant: SHAWINIGAN LAB LTD
Inventor: MATHESON HOWARD W , GRATTAN GEORGE E
IPC: C07C51/56
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公开(公告)号:US20170204042A1
公开(公告)日:2017-07-20
申请号:US15326675
申请日:2015-07-17
Applicant: Tricoya Technologies Ltd
Inventor: Benjamin Thomas Painter , Stephen John Benstead
CPC classification number: C07C51/46 , B01D3/14 , B01J19/245 , B01J2219/24 , B27K3/346 , C07C51/44 , C07C51/56 , C08B3/06 , C08H8/00 , Y02E50/14 , C07C53/12 , C07C53/08
Abstract: Disclosed is the integration of the production of acetic anhydride from ketene, and the acetylation of wood using acetylation fluid comprising acetic acid and acetic anhydride. The invention involves combining acetic acid obtained from distillation of acetylation fluid with a residual aqueous acetic acid stream as obtained from ketene production.
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