KR101969615B1 - 이종 반응 시스템에서 환상 아세탈의 제조 방법 - Google Patents
이종 반응 시스템에서 환상 아세탈의 제조 방법 Download PDFInfo
- Publication number
- KR101969615B1 KR101969615B1 KR1020147017191A KR20147017191A KR101969615B1 KR 101969615 B1 KR101969615 B1 KR 101969615B1 KR 1020147017191 A KR1020147017191 A KR 1020147017191A KR 20147017191 A KR20147017191 A KR 20147017191A KR 101969615 B1 KR101969615 B1 KR 101969615B1
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- South Korea
- Prior art keywords
- formaldehyde
- compound
- source
- cyclic acetal
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
- C07D323/04—Six-membered rings
- C07D323/06—Trioxane
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
- C07C47/04—Formaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
- C07D323/04—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/30—Chemical modification by after-treatment
- C08G2/36—Chemical modification by after-treatment by depolymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/62—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the nature of monomer used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2359/00—Characterised by the use of polyacetals containing polyoxymethylene sequences only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2359/00—Characterised by the use of polyacetals containing polyoxymethylene sequences only
- C08J2359/02—Copolyoxymethylenes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11190586.5 | 2011-11-24 | ||
| EP11190586 | 2011-11-24 | ||
| EP11190574.1 | 2011-11-24 | ||
| EP11190567.5 | 2011-11-24 | ||
| EP11190567 | 2011-11-24 | ||
| EP11190574 | 2011-11-24 | ||
| PCT/EP2012/073543 WO2013076290A1 (en) | 2011-11-24 | 2012-11-23 | Process for producing a cyclic acetal in a heterogeneous reaction system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140106599A KR20140106599A (ko) | 2014-09-03 |
| KR101969615B1 true KR101969615B1 (ko) | 2019-04-16 |
Family
ID=47216340
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147017191A Active KR101969615B1 (ko) | 2011-11-24 | 2012-11-23 | 이종 반응 시스템에서 환상 아세탈의 제조 방법 |
| KR1020147017187A Withdrawn KR20140107309A (ko) | 2011-11-24 | 2012-11-23 | 중합 공정 동안 폼알데하이드 공급원의 재생 방법 |
| KR1020147017142A Withdrawn KR20140102243A (ko) | 2011-11-24 | 2012-11-23 | 환상 아세탈의 제조 방법 |
| KR1020147017132A Ceased KR20140102241A (ko) | 2011-11-24 | 2012-11-23 | 수성 폼알데하이드 공급원으로부터 트라이옥산의 제조 방법 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147017187A Withdrawn KR20140107309A (ko) | 2011-11-24 | 2012-11-23 | 중합 공정 동안 폼알데하이드 공급원의 재생 방법 |
| KR1020147017142A Withdrawn KR20140102243A (ko) | 2011-11-24 | 2012-11-23 | 환상 아세탈의 제조 방법 |
| KR1020147017132A Ceased KR20140102241A (ko) | 2011-11-24 | 2012-11-23 | 수성 폼알데하이드 공급원으로부터 트라이옥산의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (8) | US9574061B2 (https=) |
| EP (5) | EP2782906B1 (https=) |
| JP (5) | JP6192652B2 (https=) |
| KR (4) | KR101969615B1 (https=) |
| CN (7) | CN108164500B (https=) |
| WO (7) | WO2013076291A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200136984A (ko) * | 2018-03-29 | 2020-12-08 | 셀라니즈 세일즈 저머니 게엠베하 | 비균질 반응 시스템에서의 환상 아세탈의 제조 방법 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2782906B1 (en) * | 2011-11-24 | 2019-05-22 | Celanese Sales Germany GmbH | Process for producing a cyclic acetal |
| CN105218513B (zh) * | 2014-05-29 | 2017-12-12 | 中国石油大学(北京) | 一种合成三聚甲醛的方法 |
| FR3024729B1 (fr) * | 2014-08-07 | 2018-09-07 | Arkema France | Procede de preparation du trioxane |
| CN104478848B (zh) * | 2015-01-09 | 2016-06-29 | 开封龙宇化工有限公司 | 一种三聚甲醛脱轻塔分离器加碱水洗装置及使用方法 |
| CN105175389B (zh) * | 2015-09-10 | 2018-09-07 | 中国石油大学(北京) | 一种利用酸和盐催化甲醛合成三聚甲醛的方法 |
| CN107474037A (zh) * | 2017-07-03 | 2017-12-15 | 湖北三里枫香科技有限公司 | 一种多级固定床型三聚甲醛生产工艺方法及制备装置 |
| FR3108909A1 (fr) * | 2020-04-07 | 2021-10-08 | Arkema Fance | Recyclage de polyacétal pour la production de polyoxyméthylènedialkyléthers |
| WO2021213663A1 (de) * | 2020-04-23 | 2021-10-28 | Wacker Chemie Ag | Verfahren zur herstellung von aldehyden aus 1,3,5-trioxanen |
| CN116323730A (zh) * | 2020-08-14 | 2023-06-23 | 国际人造丝公司 | 利用生物质来生产聚甲醛共聚物 |
| CN112724118B (zh) * | 2020-12-08 | 2023-02-28 | 中国石油大学(华东) | 一种石油基塑料pom的生物质醇解方法 |
| US20220380557A1 (en) * | 2021-05-20 | 2022-12-01 | Xerox Corporation | Polyoxymethylene microparticles and methods of production and use thereof |
| TW202413339A (zh) * | 2022-06-03 | 2024-04-01 | 日商三菱瓦斯化學股份有限公司 | 組成物、及使用其之三噁烷的製造方法 |
| US11643486B1 (en) | 2022-06-08 | 2023-05-09 | Arkema Inc. | Non-linear vinylidene fluoride copolymers |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100373955B1 (ko) * | 1993-12-06 | 2003-10-04 | 씨엔에이 홀딩즈 인코포레이티드 | 포름알데히드로부터트리옥산의생산방법 |
Family Cites Families (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL135961C (https=) | 1961-08-25 | |||
| BE656705A (https=) | 1963-12-05 | |||
| DE1493995A1 (de) | 1964-11-25 | 1969-08-07 | Meissner Fa Josef | Verfahren zum Beheizen einer Destilliereinrichtung bei der Gewinnung von Trioxan aus Formaldehyd |
| AT252913B (de) | 1964-12-29 | 1967-03-10 | Perstorp Aktiebolag | Verfahren zur Herstellung von Trioxan |
| US3457227A (en) | 1965-03-11 | 1969-07-22 | Continental Oil Co | Preparation of polyoxymethylene using metal acetylacetonate polymerization catalysts |
| US3471998A (en) | 1966-08-17 | 1969-10-14 | Asahi Chemical Ind | Process for purifying formaldehyde |
| US3506615A (en) | 1968-01-17 | 1970-04-14 | Celanese Corp | Polymerization of oxymethylene and methylene sulfide forming monomers by metal acetylacetonates |
| US3697546A (en) | 1970-01-14 | 1972-10-10 | Japan Gas Chemical Co | Method of producing trioxan |
| JPS4935839B2 (https=) | 1971-10-19 | 1974-09-26 | ||
| IT1051890B (it) | 1975-12-23 | 1981-05-20 | Sir Soc Italiana Resine Spa | Procedimento migliorato per la stabilizzazione di omopolimmeri acetalici eterificati e di copolimeri acetalici |
| DE2827974C3 (de) | 1978-06-26 | 1980-12-11 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung von 2,4,6-Trialkyl-l,3,5-trioxanen |
| DE2843468A1 (de) | 1978-10-05 | 1980-04-24 | Hoechst Ag | Verfahren zur gleichzeitigen herstellung von trioxan und cyclischen formalen |
| JPS56118079A (en) | 1980-02-22 | 1981-09-16 | Asahi Chem Ind Co Ltd | Synthesis of trioxane |
| US4358623A (en) | 1981-07-23 | 1982-11-09 | Celanese Corporation | Process for catalytically converting methanol to formaldehyde |
| US4420641A (en) | 1981-07-27 | 1983-12-13 | Celanese Corporation | Formaldehyde production |
| US4450301A (en) | 1982-10-21 | 1984-05-22 | Celanese Corporation | Process for converting methanol to formaldehyde |
| DE68914858T2 (de) | 1988-02-03 | 1994-08-11 | Asahi Chemical Ind | Verfahren zur Herstellung von Formaldehyd und dessen Derivaten. |
| GB2218089B (en) | 1988-04-07 | 1991-11-06 | Asahi Chemical Ind | Process for producing high purity formaldehyde |
| DE3920811A1 (de) | 1989-06-24 | 1991-01-03 | Hoechst Ag | Verfahren zur herstellung von formaldehyd |
| DE4137846A1 (de) | 1991-11-16 | 1993-05-19 | Basf Ag | Verfahren zur herstellung von wasserfreiem und von verunreinigungen befreitem formaldehyd |
| ES2104032T3 (es) | 1992-12-31 | 1997-10-01 | Hoechst Ag | Procedimiento para la preparacion de trioxano. |
| JPH06228126A (ja) * | 1993-02-05 | 1994-08-16 | Asahi Chem Ind Co Ltd | トリオキサンの合成方法 |
| JP3304679B2 (ja) | 1995-04-21 | 2002-07-22 | ポリプラスチックス株式会社 | トリオキサンの製造方法 |
| US6388102B2 (en) | 1997-06-02 | 2002-05-14 | Ticona Gmbh | Process for the preparation of trioxane and polyoxymethylene copolymers |
| DE19810087A1 (de) | 1998-03-10 | 1999-09-16 | Ticona Gmbh | Verfahren zur nicht oxidativen Herstellung von Formaldehyd aus Methanol |
| US6448448B1 (en) | 1998-03-31 | 2002-09-10 | Ticona Gmbh | Process for the non-oxidative preparation of formaldehyde from methanol |
| US6472566B2 (en) | 1998-03-31 | 2002-10-29 | Ticona Gmbh | Apparatus for the preparation of formaldehyde from methanol |
| US6362305B1 (en) | 1998-03-31 | 2002-03-26 | Ticona Gmbh | Method for producing formaldehyde from methanol |
| DE19822598A1 (de) | 1998-05-20 | 1999-11-25 | Degussa | Verfahren zur Herstellung von Formaldehyd II |
| DE19920830A1 (de) * | 1999-05-06 | 2000-11-09 | Ticona Gmbh | Trimerisierung von Formaldehyd in der Gasphase |
| DE10062814A1 (de) | 2000-12-15 | 2002-06-20 | Ticona Gmbh | Verfahren zur Entfernung von Methanol aus formaldeyhdhaltigen Lösungen |
| JP2002226426A (ja) * | 2001-02-02 | 2002-08-14 | Mitsubishi Gas Chem Co Inc | ジメチロールブタン酸の製造法 |
| US20030166972A1 (en) | 2002-02-20 | 2003-09-04 | Regents Of The University Of California Office Of Technology Licensing | Process for production of formaldehyde from dimethyl ether |
| DE10258663B4 (de) * | 2002-12-13 | 2005-07-28 | Ticona Gmbh | Verfahren zur Herstellung von Trioxan |
| DE10309288A1 (de) | 2003-03-04 | 2004-09-16 | Basf Ag | Verfahren zur Bereitstellung hochkonzentrierten gasförmigen Formaldehyds |
| DE102005012480A1 (de) * | 2005-03-16 | 2006-09-21 | Basf Ag | Verfahren zur Entfernung von Restmonomeren aus Polyoxymethylenen |
| KR20080050429A (ko) * | 2005-08-26 | 2008-06-05 | 바스프 에스이 | 폴리옥시메틸렌 단독중합체 또는 공중합체의 제조 방법 |
| JP2007230979A (ja) * | 2006-03-03 | 2007-09-13 | Showa Denko Kk | 1,3−プロパンジオールの製造方法 |
| WO2008012232A1 (de) * | 2006-07-26 | 2008-01-31 | Basf Se | Verfahren zur herstellung von polyoxymethylenen mit bestimmten desaktivatoren |
| BRPI0808459A2 (pt) * | 2007-01-25 | 2014-07-15 | Basf Se | Processos para remover trioxano de uma corrente de entrada i de formaldeído, trioxano e água, e para preparar trioxano a partir de uma solução aquosa de formaldeído |
| JP2010523483A (ja) * | 2007-03-30 | 2010-07-15 | ビーエーエスエフ ソシエタス・ヨーロピア | ポリオキシジアルキルエーテルからの環状ホルムアルデヒド誘導体の製造方法 |
| CN101311154B (zh) * | 2007-05-22 | 2010-08-11 | 富艺国际工程有限公司 | 使用离子液体合成三聚甲醛的方法 |
| CN101665409A (zh) * | 2008-09-04 | 2010-03-10 | 中国科学院兰州化学物理研究所 | 离子液体催化合成1,3-二元醇或其环状缩醛的方法 |
| EP2782906B1 (en) * | 2011-11-24 | 2019-05-22 | Celanese Sales Germany GmbH | Process for producing a cyclic acetal |
-
2012
- 2012-11-23 EP EP12788601.8A patent/EP2782906B1/en not_active Not-in-force
- 2012-11-23 US US14/359,223 patent/US9574061B2/en not_active Expired - Fee Related
- 2012-11-23 EP EP12794929.5A patent/EP2782909A1/en not_active Withdrawn
- 2012-11-23 US US14/359,594 patent/US9499512B2/en active Active
- 2012-11-23 KR KR1020147017191A patent/KR101969615B1/ko active Active
- 2012-11-23 EP EP12788603.4A patent/EP2782907B8/en not_active Not-in-force
- 2012-11-23 CN CN201711457383.5A patent/CN108164500B/zh active Active
- 2012-11-23 US US14/359,203 patent/US9546148B2/en active Active
- 2012-11-23 WO PCT/EP2012/073544 patent/WO2013076291A1/en not_active Ceased
- 2012-11-23 CN CN201280057948.XA patent/CN103958493B/zh not_active Expired - Fee Related
- 2012-11-23 WO PCT/EP2012/073542 patent/WO2013076289A1/en not_active Ceased
- 2012-11-23 WO PCT/EP2012/073545 patent/WO2013076292A1/en not_active Ceased
- 2012-11-23 EP EP12788600.0A patent/EP2782905B1/en active Active
- 2012-11-23 CN CN201710109742.1A patent/CN106866615B/zh active Active
- 2012-11-23 CN CN201280057571.8A patent/CN103958492A/zh active Pending
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| KR100373955B1 (ko) * | 1993-12-06 | 2003-10-04 | 씨엔에이 홀딩즈 인코포레이티드 | 포름알데히드로부터트리옥산의생산방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20200136984A (ko) * | 2018-03-29 | 2020-12-08 | 셀라니즈 세일즈 저머니 게엠베하 | 비균질 반응 시스템에서의 환상 아세탈의 제조 방법 |
| KR102812643B1 (ko) | 2018-03-29 | 2025-05-23 | 셀라니즈 세일즈 저머니 게엠베하 | 비균질 반응 시스템에서의 환상 아세탈의 제조 방법 |
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