CH601163A5 - - Google Patents
Info
- Publication number
- CH601163A5 CH601163A5 CH155276A CH155276A CH601163A5 CH 601163 A5 CH601163 A5 CH 601163A5 CH 155276 A CH155276 A CH 155276A CH 155276 A CH155276 A CH 155276A CH 601163 A5 CH601163 A5 CH 601163A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/20—Power plant
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2505471A DE2505471C3 (de) | 1975-02-10 | 1975-02-10 | Verfahren zur Gewinnung von Essigsäureanhydrid durch kontinuierliche fraktionierte Destillation von Rohessigsäureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH601163A5 true CH601163A5 (US20030199744A1-20031023-C00003.png) | 1978-06-30 |
Family
ID=5938493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH155276A CH601163A5 (US20030199744A1-20031023-C00003.png) | 1975-02-10 | 1976-02-09 |
Country Status (9)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149094A1 (de) * | 1981-12-11 | 1983-06-16 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von aceton aus reaktionsgemischen von carbonylierungsreaktionen |
| GB9120902D0 (en) * | 1991-10-02 | 1991-11-13 | Bp Chem Int Ltd | Purification process |
| US5264087A (en) * | 1992-10-13 | 1993-11-23 | Eastman Kodak Company | Method for refining acetic anhydride by distillation |
| US8575403B2 (en) | 2010-05-07 | 2013-11-05 | Celanese International Corporation | Hydrolysis of ethyl acetate in ethanol separation process |
| JP6076579B2 (ja) * | 2010-06-23 | 2017-02-08 | 株式会社ダイセル | 蒸留塔の運転方法 |
| US8710279B2 (en) | 2010-07-09 | 2014-04-29 | Celanese International Corporation | Hydrogenolysis of ethyl acetate in alcohol separation processes |
| US8664454B2 (en) | 2010-07-09 | 2014-03-04 | Celanese International Corporation | Process for production of ethanol using a mixed feed using copper containing catalyst |
| US9272970B2 (en) | 2010-07-09 | 2016-03-01 | Celanese International Corporation | Hydrogenolysis of ethyl acetate in alcohol separation processes |
| US8592635B2 (en) | 2011-04-26 | 2013-11-26 | Celanese International Corporation | Integrated ethanol production by extracting halides from acetic acid |
| CN103080053B (zh) | 2011-04-26 | 2015-08-12 | 国际人造丝公司 | 使用叠置床反应器生产乙醇的方法 |
| WO2012149137A1 (en) | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Process for the production of ethanol from an acetic acid feed and a recycled ethyl acetate feed |
| US9073816B2 (en) | 2011-04-26 | 2015-07-07 | Celanese International Corporation | Reducing ethyl acetate concentration in recycle streams for ethanol production processes |
| US8754268B2 (en) | 2011-04-26 | 2014-06-17 | Celanese International Corporation | Process for removing water from alcohol mixtures |
| US8895786B2 (en) | 2011-08-03 | 2014-11-25 | Celanese International Corporation | Processes for increasing alcohol production |
| US8686201B2 (en) | 2011-11-09 | 2014-04-01 | Celanese International Corporation | Integrated acid and alcohol production process having flashing to recover acid production catalyst |
| US8614359B2 (en) | 2011-11-09 | 2013-12-24 | Celanese International Corporation | Integrated acid and alcohol production process |
| US8653303B2 (en) | 2012-01-26 | 2014-02-18 | Celanese International Corporation | Processes for preparing acetic anhydride |
| US8759576B2 (en) | 2012-09-06 | 2014-06-24 | Celanese International Corporation | Processes for purifying acetic anhydride |
| US8975450B2 (en) | 2013-03-15 | 2015-03-10 | Celanese International Corporation | Ethanol and ethyl acetate production using an acetic acid and acetic anhydride mixed feed |
| US20150014150A1 (en) * | 2013-07-11 | 2015-01-15 | Celanese Acetate Llc | Process for Energy Recovery in Purifying Carboxylic Anhydride for Manufacturing Cellulose Esters |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2504195A (en) * | 1950-04-18 | Heatcd | ||
| US2159146A (en) * | 1933-12-12 | 1939-05-23 | Melle Usines Sa | Process for the separation of acetic anhydride |
| US2670355A (en) * | 1950-02-23 | 1954-02-23 | Barsky | Manufacture of maleic anhydride |
| US2688635A (en) * | 1951-05-24 | 1954-09-07 | Allied Chem & Dye Corp | Process for the production of ketene or acetic anhydride from a mixture of acetic acid and formic acid |
| US2703309A (en) * | 1951-08-28 | 1955-03-01 | Eastman Kodak Co | Purification of acids from the manufacture of anhydrides |
| NL176744B (nl) * | 1952-04-24 | Helopharm Petrik Co Kg | Werkwijze voor de bereiding van tegen orthostatische dysregulatie werkzame preparaten. | |
| DE1202778B (de) * | 1963-07-13 | 1965-10-14 | Basf Ag | Verfahren zur kontinuierlichen Aufarbeitung von Essigsaeure enthaltenden Gemischen |
| AT274743B (de) * | 1967-09-28 | 1969-09-25 | Krems Chemie Gmbh | Verfahren und Vorrichtung zur kontinuierlichen Fraktionierung von Tallöl oder andern organischen Mehrstoffgemischen |
-
1975
- 1975-02-10 DE DE2505471A patent/DE2505471C3/de not_active Expired
-
1976
- 1976-01-26 NL NL7600766A patent/NL7600766A/xx not_active Application Discontinuation
- 1976-02-02 US US05/654,309 patent/US4107002A/en not_active Expired - Lifetime
- 1976-02-05 GB GB4550/76A patent/GB1520684A/en not_active Expired
- 1976-02-06 IT IT47987/76A patent/IT1053824B/it active
- 1976-02-09 CH CH155276A patent/CH601163A5/xx not_active IP Right Cessation
- 1976-02-09 FR FR7603398A patent/FR2300066A1/fr active Granted
- 1976-02-10 BE BE164202A patent/BE838414A/xx not_active IP Right Cessation
- 1976-02-10 JP JP51013850A patent/JPS51122018A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2505471A1 (de) | 1976-08-19 |
| FR2300066A1 (fr) | 1976-09-03 |
| IT1053824B (it) | 1981-10-10 |
| NL7600766A (nl) | 1976-08-12 |
| DE2505471C3 (de) | 1982-05-06 |
| JPS51122018A (en) | 1976-10-25 |
| US4107002A (en) | 1978-08-15 |
| FR2300066B1 (US20030199744A1-20031023-C00003.png) | 1978-11-10 |
| DE2505471B2 (de) | 1978-08-03 |
| GB1520684A (en) | 1978-08-09 |
| BE838414A (fr) | 1976-08-10 |
| JPS5525172B2 (US20030199744A1-20031023-C00003.png) | 1980-07-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |