DE102012002274A1 - Verfahren zur Koppelproduktion von Vinylestern und Essigsäurefolgeprodukten oder Propionsäurefolgeprodukten - Google Patents
Verfahren zur Koppelproduktion von Vinylestern und Essigsäurefolgeprodukten oder Propionsäurefolgeprodukten Download PDFInfo
- Publication number
- DE102012002274A1 DE102012002274A1 DE201210002274 DE102012002274A DE102012002274A1 DE 102012002274 A1 DE102012002274 A1 DE 102012002274A1 DE 201210002274 DE201210002274 DE 201210002274 DE 102012002274 A DE102012002274 A DE 102012002274A DE 102012002274 A1 DE102012002274 A1 DE 102012002274A1
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- acid
- formula
- reaction
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
- C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
- C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/10—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with ester groups or with a carbon-halogen bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/007—Esters of unsaturated alcohols having the esterified hydroxy group bound to an acyclic carbon atom
- C07C69/01—Vinyl esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210002274 DE102012002274A1 (de) | 2012-02-06 | 2012-02-06 | Verfahren zur Koppelproduktion von Vinylestern und Essigsäurefolgeprodukten oder Propionsäurefolgeprodukten |
| HK15102927.7A HK1202523B (en) | 2012-02-06 | 2013-01-18 | Transvinylation as a first stage of coupling production of vinyl esters and acetic acid or propionic acid reaction products |
| KR1020147021633A KR101994082B1 (ko) | 2012-02-06 | 2013-01-18 | 비닐 에스테르와 아세트산 또는 프로피온산 반응 생성물들의 커플링 생성의 제1 스테이지로서의 비닐교환 |
| PL13700621T PL2812306T3 (pl) | 2012-02-06 | 2013-01-18 | Transwinylowanie jako pierwszy etap sprzężonej produkcji estrów winylowych i następczych produktów z kwasu octowego lub kwasu propionowego |
| IN1146KON2014 IN2014KN01146A (https=) | 2012-02-06 | 2013-01-18 | |
| JP2014555117A JP6054424B2 (ja) | 2012-02-06 | 2013-01-18 | ビニルエステル及び酢酸又はプロピオン酸反応生成物の共製造の第一段階としてのトランスビニル化 |
| PCT/EP2013/000142 WO2013117295A1 (de) | 2012-02-06 | 2013-01-18 | Transvinylierung als erste stufe einer koppelproduktion von vinylestern und essigsäure- oder propionsäurefolgeprodukten |
| US14/372,235 US9174921B2 (en) | 2012-02-06 | 2013-01-18 | Transvinylation as a first stage of coupling production of vinyl esters and acetic acid or propionic acid reaction products |
| ES13700621.9T ES2627934T3 (es) | 2012-02-06 | 2013-01-18 | Transvinilización como primera etapa de una producción acoplada de productos de reacción de ésteres vinílicos y ácidos acéticos o ácidos propiónicos |
| EP13700621.9A EP2812306B1 (de) | 2012-02-06 | 2013-01-18 | Transvinylierung als erste stufe einer koppelproduktion von vinylestern und essigsäure- oder propionsäurefolgeprodukten |
| CN201380006817.3A CN104379550B (zh) | 2012-02-06 | 2013-01-18 | 作为联合生产乙烯酯和乙酸或丙酸反应产物的第一阶段的转乙烯化反应 |
| BR112014019189A BR112014019189B1 (pt) | 2012-02-06 | 2013-01-18 | transvinila ção como primeira etapa de uma produção por acoplamento de ésteres vinílicos e produtos de reação de ácido acético ou ácido propiônico |
| TW102104106A TWI461401B (zh) | 2012-02-06 | 2013-02-04 | 乙烯酯之共同製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201210002274 DE102012002274A1 (de) | 2012-02-06 | 2012-02-06 | Verfahren zur Koppelproduktion von Vinylestern und Essigsäurefolgeprodukten oder Propionsäurefolgeprodukten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102012002274A1 true DE102012002274A1 (de) | 2013-08-08 |
Family
ID=47594639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE201210002274 Withdrawn DE102012002274A1 (de) | 2012-02-06 | 2012-02-06 | Verfahren zur Koppelproduktion von Vinylestern und Essigsäurefolgeprodukten oder Propionsäurefolgeprodukten |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9174921B2 (https=) |
| EP (1) | EP2812306B1 (https=) |
| JP (1) | JP6054424B2 (https=) |
| KR (1) | KR101994082B1 (https=) |
| CN (1) | CN104379550B (https=) |
| BR (1) | BR112014019189B1 (https=) |
| DE (1) | DE102012002274A1 (https=) |
| ES (1) | ES2627934T3 (https=) |
| IN (1) | IN2014KN01146A (https=) |
| PL (1) | PL2812306T3 (https=) |
| TW (1) | TWI461401B (https=) |
| WO (1) | WO2013117295A1 (https=) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012105879A1 (de) | 2012-07-02 | 2014-01-02 | Oxea Gmbh | Verfahren zur Herstellung von Isononylderivaten |
| DE102012105874A1 (de) | 2012-07-02 | 2014-01-02 | Oxea Gmbh | Verfahren zur Herstellung von Isononansäurevinylestern |
| WO2026080677A1 (en) * | 2024-10-09 | 2026-04-16 | Braskem S.A. | Monomer recovery system and process for obtaining a purified branched vinyl ester stream |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013224491A1 (de) | 2013-11-29 | 2015-06-03 | Wacker Chemie Ag | Verfahren zur Ruthenium-katalysierten Umvinylierung von Carbonsäuren |
| DE102013224496A1 (de) | 2013-11-29 | 2015-06-03 | Wacker Chemie Ag | Verfahren zur Ruthenium-katalysierten Umvinylierung von Carbonsäuren |
| DE102014206916A1 (de) | 2014-04-10 | 2015-10-15 | Wacker Chemie Ag | Verfahren zur Ruthenium-katalysierten Umvinylierung von Carbonsäuren |
| DE102014206915A1 (de) | 2014-04-10 | 2015-10-15 | Wacker Chemie Ag | Verfahren zur Darstellung einer aktiven Ruthenium-Katalysatorlösung für die Umvinylierung von Carbonsäuren |
| DE102015216373A1 (de) | 2015-08-27 | 2017-03-02 | Wacker Chemie Ag | Verfahren zur katalytischen Umvinylierung von Carbonsäuren |
| EP3467050A1 (en) * | 2017-10-04 | 2019-04-10 | Omya International AG | Coating compositions comprising ground natural calcium carbonate (gcc) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2245131A (en) | 1941-06-10 | Process of preparing vinyl esters | ||
| US2299862A (en) | 1942-10-27 | Preparation of vinyl esters | ||
| DE1222493B (de) | 1962-04-25 | 1966-08-11 | Rohm & Haas | Verfahren zur Herstellung von Vinylestern |
| EP0351603A2 (en) | 1988-06-30 | 1990-01-24 | Union Carbide Corporation | Transvinylation reaction |
| EP0376075A2 (en) | 1988-12-26 | 1990-07-04 | Shin-Etsu Vinyl Acetate Co., Ltd. | Method for the preparation of an alkenyl carboxylate |
| EP0497340A2 (en) | 1991-01-31 | 1992-08-05 | Union Carbide Chemicals & Plastics Technology Corporation | Transvinylation process by reactive distillation |
| EP0506070A2 (en) | 1991-03-28 | 1992-09-30 | Union Carbide Chemicals & Plastics Technology Corporation | Transvinylation process for the preparation of thermally labile vinyl compounds and vinyl compounds prepared from thermally labile acids |
| US5214172A (en) | 1991-05-06 | 1993-05-25 | Air Products And Chemicals, Inc. | Catalytic transvinylation of vinyl esters |
| US5223621A (en) | 1991-01-04 | 1993-06-29 | Societe Francaise Hoechst | Transvinylation of carboxylic acids |
| US5741925A (en) | 1997-01-13 | 1998-04-21 | Air Products And Chemicals, Inc. | Transvinylation of naphthenic acids |
| EP1057525A2 (de) | 1999-06-02 | 2000-12-06 | Oxeno Olefinchemie GmbH | Verfahren zur katalytischen Durchführung von Mehrphasenreaktionen, insbesondere Vinylierungen von Carbonsäuren |
| DE10030040C1 (de) * | 2000-06-17 | 2001-10-31 | Celanese Chem Europe Gmbh | Verfahren zur Gewinnung von Wertstoffen aus Abfallgemischen chemischer Produktionsprozesse |
| JP2002322125A (ja) | 2001-04-26 | 2002-11-08 | Japan Vam & Poval Co Ltd | カルボン酸ビニルエステルの製造方法 |
| JP2002322127A (ja) | 2001-04-26 | 2002-11-08 | Japan Vam & Poval Co Ltd | カルボン酸ビニルエステルの製造方法 |
| US20040147757A1 (en) * | 2002-08-30 | 2004-07-29 | Mitsubishi Chemical Corporation | Method for producing allyl compound, and ether or ester compound produced thereby |
| WO2011139360A1 (en) | 2010-05-04 | 2011-11-10 | Celanese International Corporation | Process for the continuous transvinylation of carboxylic acids with vinyl acetate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2823660A1 (de) * | 1977-10-13 | 1979-04-26 | Shin Etsu Vinyl Acetate Co | Verfahren zur herstellung eines alkenylesters von carbonsaeuren |
| DE3047347A1 (de) * | 1980-12-16 | 1982-07-22 | Wacker-Chemie GmbH, 8000 München | Palladium(ii)-katalysator, seine herstellung und verwendung |
| GB8319619D0 (en) * | 1983-07-20 | 1983-08-24 | Bp Chem Int Ltd | Acetic anhydride |
| ECSP910793A (es) * | 1990-11-30 | 1992-12-21 | Union Carbide Chem Plastics Co Inc | La tecnologia de transvinilacion ayudada azeotropica |
| IN191266B (https=) * | 1999-09-16 | 2003-10-18 | Council Scient Ind Res | |
| KR20120086717A (ko) * | 2009-10-26 | 2012-08-03 | 셀라니즈 인터내셔날 코포레이션 | 산성 촉매를 사용하여 아세트산으로부터 에탄올을 제조하는 방법 |
-
2012
- 2012-02-06 DE DE201210002274 patent/DE102012002274A1/de not_active Withdrawn
-
2013
- 2013-01-18 US US14/372,235 patent/US9174921B2/en not_active Expired - Fee Related
- 2013-01-18 ES ES13700621.9T patent/ES2627934T3/es active Active
- 2013-01-18 EP EP13700621.9A patent/EP2812306B1/de not_active Not-in-force
- 2013-01-18 KR KR1020147021633A patent/KR101994082B1/ko not_active Expired - Fee Related
- 2013-01-18 WO PCT/EP2013/000142 patent/WO2013117295A1/de not_active Ceased
- 2013-01-18 PL PL13700621T patent/PL2812306T3/pl unknown
- 2013-01-18 BR BR112014019189A patent/BR112014019189B1/pt not_active IP Right Cessation
- 2013-01-18 IN IN1146KON2014 patent/IN2014KN01146A/en unknown
- 2013-01-18 JP JP2014555117A patent/JP6054424B2/ja not_active Expired - Fee Related
- 2013-01-18 CN CN201380006817.3A patent/CN104379550B/zh not_active Expired - Fee Related
- 2013-02-04 TW TW102104106A patent/TWI461401B/zh not_active IP Right Cessation
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2245131A (en) | 1941-06-10 | Process of preparing vinyl esters | ||
| US2299862A (en) | 1942-10-27 | Preparation of vinyl esters | ||
| DE1222493B (de) | 1962-04-25 | 1966-08-11 | Rohm & Haas | Verfahren zur Herstellung von Vinylestern |
| EP0351603A2 (en) | 1988-06-30 | 1990-01-24 | Union Carbide Corporation | Transvinylation reaction |
| EP0376075A2 (en) | 1988-12-26 | 1990-07-04 | Shin-Etsu Vinyl Acetate Co., Ltd. | Method for the preparation of an alkenyl carboxylate |
| US5223621A (en) | 1991-01-04 | 1993-06-29 | Societe Francaise Hoechst | Transvinylation of carboxylic acids |
| EP0497340A2 (en) | 1991-01-31 | 1992-08-05 | Union Carbide Chemicals & Plastics Technology Corporation | Transvinylation process by reactive distillation |
| EP0506070A2 (en) | 1991-03-28 | 1992-09-30 | Union Carbide Chemicals & Plastics Technology Corporation | Transvinylation process for the preparation of thermally labile vinyl compounds and vinyl compounds prepared from thermally labile acids |
| US5214172A (en) | 1991-05-06 | 1993-05-25 | Air Products And Chemicals, Inc. | Catalytic transvinylation of vinyl esters |
| US5741925A (en) | 1997-01-13 | 1998-04-21 | Air Products And Chemicals, Inc. | Transvinylation of naphthenic acids |
| EP1057525A2 (de) | 1999-06-02 | 2000-12-06 | Oxeno Olefinchemie GmbH | Verfahren zur katalytischen Durchführung von Mehrphasenreaktionen, insbesondere Vinylierungen von Carbonsäuren |
| DE10030040C1 (de) * | 2000-06-17 | 2001-10-31 | Celanese Chem Europe Gmbh | Verfahren zur Gewinnung von Wertstoffen aus Abfallgemischen chemischer Produktionsprozesse |
| JP2002322125A (ja) | 2001-04-26 | 2002-11-08 | Japan Vam & Poval Co Ltd | カルボン酸ビニルエステルの製造方法 |
| JP2002322127A (ja) | 2001-04-26 | 2002-11-08 | Japan Vam & Poval Co Ltd | カルボン酸ビニルエステルの製造方法 |
| US20040147757A1 (en) * | 2002-08-30 | 2004-07-29 | Mitsubishi Chemical Corporation | Method for producing allyl compound, and ether or ester compound produced thereby |
| WO2011139360A1 (en) | 2010-05-04 | 2011-11-10 | Celanese International Corporation | Process for the continuous transvinylation of carboxylic acids with vinyl acetate |
| WO2011139361A1 (en) | 2010-05-04 | 2011-11-10 | Celanese International Corporation | Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate |
Non-Patent Citations (13)
| Title |
|---|
| Adelman, Journal Organic Chemistry, 1949, 14, Seiten 1057-1077 |
| G. Hübner, Fette, Seifen, Anstrichmittel 68, 290 (1966), Ullmanns Encyklopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie, Band 23, Seiten 606-607 |
| Murray, Catalysis Today 1992, 13, Seiten 93-102 |
| Ullmanns Encyclopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie GmbH, Band 11, Seite 71 |
| Ullmanns Encyclopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie GmbH, Band 11, Seite 71; Band 19, Seite 457 |
| Ullmanns Encyclopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie GmbH, Band 11, Seiten 68-70; Band 19, Seiten 457-458 |
| Ullmanns Encyclopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie GmbH, Band 19, Seite 457 |
| Ullmanns Encyclopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie GmbH, Band 23, Seiten 601-605 |
| Ullmanns Encyklopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie, Band 23, Seiten 606-607 |
| Ullmanns Encyklopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie, Band 9, Seiten 143-145; Band 23, Seiten 606-607 |
| Weissermel, Arpe, Industrielle organische Chemie, 3. Auflage, VCH, 1988, Seite 191 |
| Weissermel, Arpe, Industrielle organische Chemie, 3. Auflage, VCH, 1988, Seiten 191; Ullmanns Encyclopädie der technischen Chemie, 4. Auflage, 1983, Verlag Chemie GmbH, Band 19, Seiten 458 |
| Weissermel, Arpe, Industrielle organische Chemie, 3. Auflage, VCH, 1988, Seiten 193-194 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012105879A1 (de) | 2012-07-02 | 2014-01-02 | Oxea Gmbh | Verfahren zur Herstellung von Isononylderivaten |
| DE102012105874A1 (de) | 2012-07-02 | 2014-01-02 | Oxea Gmbh | Verfahren zur Herstellung von Isononansäurevinylestern |
| WO2026080677A1 (en) * | 2024-10-09 | 2026-04-16 | Braskem S.A. | Monomer recovery system and process for obtaining a purified branched vinyl ester stream |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6054424B2 (ja) | 2016-12-27 |
| TWI461401B (zh) | 2014-11-21 |
| IN2014KN01146A (https=) | 2015-10-16 |
| CN104379550B (zh) | 2016-08-24 |
| KR101994082B1 (ko) | 2019-07-01 |
| US9174921B2 (en) | 2015-11-03 |
| PL2812306T3 (pl) | 2017-09-29 |
| TW201341355A (zh) | 2013-10-16 |
| JP2015512868A (ja) | 2015-04-30 |
| KR20140122716A (ko) | 2014-10-20 |
| BR112014019189A2 (https=) | 2017-06-20 |
| CN104379550A (zh) | 2015-02-25 |
| EP2812306A1 (de) | 2014-12-17 |
| BR112014019189B1 (pt) | 2020-01-21 |
| EP2812306B1 (de) | 2017-03-22 |
| ES2627934T3 (es) | 2017-08-01 |
| US20140357881A1 (en) | 2014-12-04 |
| WO2013117295A1 (de) | 2013-08-15 |
| BR112014019189A8 (pt) | 2017-07-11 |
| HK1202523A1 (zh) | 2015-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R016 | Response to examination communication | ||
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