EP1991521A2 - Bei raumtemperatur flüssige verbindungen - Google Patents
Bei raumtemperatur flüssige verbindungenInfo
- Publication number
- EP1991521A2 EP1991521A2 EP07711643A EP07711643A EP1991521A2 EP 1991521 A2 EP1991521 A2 EP 1991521A2 EP 07711643 A EP07711643 A EP 07711643A EP 07711643 A EP07711643 A EP 07711643A EP 1991521 A2 EP1991521 A2 EP 1991521A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- compounds
- radicals
- alkyl
- atoms
- formula
- 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.)
- Withdrawn
Links
- 150000001875 compounds Chemical class 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 title claims abstract description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 25
- 239000002608 ionic liquid Substances 0.000 claims abstract description 22
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 5
- 150000005621 tetraalkylammonium salts Chemical class 0.000 claims abstract description 5
- -1 aliphatic radicals Chemical class 0.000 claims description 49
- 239000000203 mixture Substances 0.000 claims description 22
- 150000003254 radicals Chemical class 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 16
- 150000008051 alkyl sulfates Chemical group 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical group [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- 150000001450 anions Chemical group 0.000 claims description 5
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000003444 phase transfer catalyst Substances 0.000 claims description 4
- MHGOKSLTIUHUBF-UHFFFAOYSA-N 2-ethylhexyl sulfate Chemical compound CCCCC(CC)COS(O)(=O)=O MHGOKSLTIUHUBF-UHFFFAOYSA-N 0.000 claims description 2
- CSMFSDCPJHNZRY-UHFFFAOYSA-M decyl sulfate Chemical compound CCCCCCCCCCOS([O-])(=O)=O CSMFSDCPJHNZRY-UHFFFAOYSA-M 0.000 claims description 2
- UZZYXUGECOQHPU-UHFFFAOYSA-M n-octyl sulfate Chemical compound CCCCCCCCOS([O-])(=O)=O UZZYXUGECOQHPU-UHFFFAOYSA-M 0.000 claims description 2
- 229940067739 octyl sulfate Drugs 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- CSMFSDCPJHNZRY-UHFFFAOYSA-N sulfuric acid monodecyl ester Natural products CCCCCCCCCCOS(O)(=O)=O CSMFSDCPJHNZRY-UHFFFAOYSA-N 0.000 claims description 2
- UZZYXUGECOQHPU-UHFFFAOYSA-N sulfuric acid monooctyl ester Natural products CCCCCCCCOS(O)(=O)=O UZZYXUGECOQHPU-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 11
- 230000008018 melting Effects 0.000 abstract description 11
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 abstract description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 abstract 1
- 150000004714 phosphonium salts Chemical class 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- OTKCEEWUXHVZQI-UHFFFAOYSA-N 1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(=O)CC1=CC=CC=C1 OTKCEEWUXHVZQI-UHFFFAOYSA-N 0.000 description 4
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 3
- 125000005270 trialkylamine group Chemical group 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- SHFJWMWCIHQNCP-UHFFFAOYSA-M hydron;tetrabutylazanium;sulfate Chemical compound OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC SHFJWMWCIHQNCP-UHFFFAOYSA-M 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005956 quaternization reaction Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 2
- NAMYKGVDVNBCFQ-UHFFFAOYSA-N 2-bromopropane Chemical compound CC(C)Br NAMYKGVDVNBCFQ-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-O Pyrazolium Chemical class C1=CN[NH+]=C1 WTKZEGDFNFYCGP-UHFFFAOYSA-O 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- RMKNCYHVESPYFD-UHFFFAOYSA-N decan-1-amine;hydrochloride Chemical compound [Cl-].CCCCCCCCCC[NH3+] RMKNCYHVESPYFD-UHFFFAOYSA-N 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical class [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical class C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- DTIFFPXSSXFQCJ-UHFFFAOYSA-N tetrahexylazanium Chemical compound CCCCCC[N+](CCCCCC)(CCCCCC)CCCCCC DTIFFPXSSXFQCJ-UHFFFAOYSA-N 0.000 description 1
- QBVXKDJEZKEASM-UHFFFAOYSA-M tetraoctylammonium bromide Chemical compound [Br-].CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC QBVXKDJEZKEASM-UHFFFAOYSA-M 0.000 description 1
- FBLZDUAOBOMSNZ-UHFFFAOYSA-M tetrapentylazanium;iodide Chemical compound [I-].CCCCC[N+](CCCCC)(CCCCC)CCCCC FBLZDUAOBOMSNZ-UHFFFAOYSA-M 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 125000001425 triazolyl group Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/62—Quaternary ammonium compounds
- C07C211/63—Quaternary ammonium compounds having quaternised nitrogen atoms bound to acyclic carbon atoms
Definitions
- the invention relates to ionic liquids with a low melting point.
- Ionic liquids are generally understood as meaning organic salts or mixtures thereof whose melting point is below 100 ° C. (see the review article by P. Wasserscheid and W. Keim, Angew. Chem. 2001 (112), pp. 3773-3789 ).
- These salts are typically anions such as halides, halostannates, haloaluminates, hexafluorophosphates or tetrafluoroborates combined with substituted ammonium, phosphonium, pyridinium, triazolium, pyrazolium or imidazolium cations.
- Ionic liquids have recently become highly topical. An important use is the use as a solvent for organic substances. There is a constant need for substances whose melting point is as low as possible.
- the object of the present invention was initially to provide new ionic liquids having a melting point of at most room temperature (this is understood in the context of the present invention, a temperature of 30 0 C) provide.
- the object of the invention was the melting point of ionic liquids of the type of tetraalkylammonium salts, tetraalkylphosphonium salts and the like.
- the present invention accordingly relates to compounds which are liquid at room temperature and are selected from the group of tetraalkylammonium salts, benzyltrialkylammonium salts, tetraalkylphosphonium salts and benzyltrialkylphosphonium salts, with the proviso that at least two alkyl groups are aliphatic radicals having chain lengths in the range from 8 to 10 carbon atoms and the additional proviso that that not all alkyl radicals may be identical.
- halides Cl, Br, I
- halogenostannates Cl, Br, I
- haloaluminates hexafluorophosphates
- tetrafluoroborates tetrahydridoborates
- sulfates alkyl sulfates
- hydrogen sulfates carbonates
- sulfates alkyl sulfates
- carbonates Preferably, however, are used as anions halides (chloride, bromide, iodide) or alkyl sulfates, in particular chloride.
- the compounds of the invention which are ionic liquids, have melting points below 30 0 C.
- melting points below 30 0 C.
- tetraalkylammonium halides which have identical alkyl groups, informative:
- the present invention relates to compounds of the formula (I) which are liquid at room temperature.
- radical R 1 is a benzyl radical or an alkyl radical having 1 to 4 C atoms and the radicals R 2 to R 4 are independently alkyl radicals having 8 to 10 carbon atoms and X is a halide anion or an alkyl sulfate anion of the formula [R 5 SO 4 ] " , wherein R 5 is an alkyl radical having 1 to 12 C atoms, with the proviso that not all radicals R 2 to R 4 may be identical
- X is a chloride anion.
- X is an anion selected from the group 2-ethylhexyl sulfate, octyl sulfate and decyl sulfate.
- the present invention relates to compounds of the formula (Ia) which are liquid at room temperature. [NCH 3 R 2 R 3 R 4 ] + [X] - (Ia)
- radicals R 2 to R 4 are independently alkyl radicals having 8 to 10 carbon atoms and X is a halide anion or an alkyl sulfate anion of the formula [R 5 SO 4 ] " , wherein R 5 is an alkyl radical having 1 to 12 C atoms is, with the proviso that not all radicals R 2 to R 4 may be identical.
- the compounds I and in particular I-a can be used individually or in a mixture with one another.
- all methods known to those skilled in the art can be used per se. In particular, they are prepared by reacting trialkylamines of the formula (II)
- radicals R 2 to R 4 independently of one another are alkyl radicals having 8 to 10 C atoms, with compounds R 1 -X in which X is halogen, reacting with one another in the sense of a quaternization reaction.
- R 2 to R 4 independently of one another are alkyl radicals having 8 to 10 C atoms, with compounds R 1 -X in which X is halogen, reacting with one another in the sense of a quaternization reaction.
- Mn ⁇ n; Mj / ⁇ n ;
- Mn number average molecular weight
- Mj number average molecular weight
- radical R 1 is a benzyl radical or an alkyl radical having 1 to 4 C atoms and the radicals R 2 to R 4 are independently alkyl radicals having 8 to 10 carbon atoms and X is a halide anion or an alkyl sulfate anion of the formula [R 5 SO 4 ] " in which R 5 is an alkyl radical having 1 to 12 C atoms and (b) 0.01 to 10% by weight of water, with the proviso that the upper limit of the amount of water is the maximum solubility of water in the compounds I at 20 0 C is limited.
- compositions are used, containing (a) at least 85% by weight of one or more compounds of the formula I-a
- radicals R 2 to R 4 are independently alkyl radicals having 8 to 10 carbon atoms and X is a halide anion or an alkyl sulfate anion of the formula [R 5 SO 4 ] " , wherein R 5 is an alkyl radical having 1 to 12 C atoms and (b) from 0.01 to 5% by weight of water, with the further proviso that, if the radicals R 2 to R 4 are identical, at least two different compounds Ia (in particular mixtures of the two species methyltri- n-octylammonium halide and methyltri-n-decylammonium halide), the counterion of the compounds Ia being in particular chloride.
- triallamins II whose Radicals R 2 to R 4 are of native origin and are derived from fatty alcohols of the chain length range Cg-io, which means that these are from trialkylamines Wins fatty alcohols, which contain predominantly octanol and / or decanol, such as the corresponding commercially available Lorol types of the Applicant.
- the compositions mentioned are characterized by very low melting points, sometimes even below 0 0 C.
- compositions represent a uniform homogeneous phase and are hydrophobic.
- the hydrophobicity is expressed by the good solubility in organic solvents.
- the compositions mentioned are virtually completely soluble at 20 ° C. in organic solvents such as benzene, chloroform or isopropanol.
- ionic liquids can be fed to a variety of different uses. Examples include: The use as a solvent, solvent additive, phase transfer catalyst, extractants, lubricants, gas absorbents, solvents for batteries, fixer for fragrances or heat transfer.
- Further objects of the invention are: a chemical reaction in which the solvent, solvent additive or phase transfer catalyst used is an ionic liquid according to the present invention; Electrochemical processes (eg electrolysis, electrocoating, etc.) in which the solvent used is an ionic liquid according to the present invention; A substance separation process, wherein the solvent or solvent additive used is an ionic liquid according to the present invention; Heat exchange apparatus in which an ionic liquid according to the present invention is used as the heat carrier or heat carrier additive. Examples
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Pyridine Compounds (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006009973A DE102006009973A1 (de) | 2006-03-03 | 2006-03-03 | Bei Raumtemperatur flüssige Verbindungen |
| PCT/EP2007/001572 WO2007101563A2 (de) | 2006-03-03 | 2007-02-23 | Bei raumtemperatur flüssige verbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1991521A2 true EP1991521A2 (de) | 2008-11-19 |
Family
ID=38329270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07711643A Withdrawn EP1991521A2 (de) | 2006-03-03 | 2007-02-23 | Bei raumtemperatur flüssige verbindungen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100204074A1 (de) |
| EP (1) | EP1991521A2 (de) |
| CN (1) | CN101395128A (de) |
| DE (1) | DE102006009973A1 (de) |
| WO (1) | WO2007101563A2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009035861B3 (de) * | 2009-07-31 | 2011-02-24 | Voith Patent Gmbh | Antriebsvorrichtung und Verfahren für deren Betrieb |
| EP2902381A1 (de) | 2014-01-30 | 2015-08-05 | KAO CHEMICALS GmbH | Ionische Flüssigkeiten |
| CN105441033B (zh) * | 2015-11-30 | 2019-03-12 | 中国科学院青海盐湖研究所 | 一种离子液体-水体系相变储能材料及其制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992432A (en) * | 1967-04-05 | 1976-11-16 | Continental Oil Company | Phase transfer catalysis of heterogeneous reactions by quaternary salts |
| US4188380A (en) * | 1974-07-31 | 1980-02-12 | Exxon Research & Engineering Co. | Surface active quaternary higher dialkyl phosphonium salt biocides and intermediates |
| US4450174A (en) * | 1982-05-27 | 1984-05-22 | Millmaster Onyx Group, Inc. | Decyl quaternary ammonium compounds |
| DE3615520A1 (de) * | 1986-05-07 | 1987-11-12 | Bayer Ag | Verfahren zur herstellung von 2,3-epoxyamiden |
| DE3732954A1 (de) * | 1987-09-30 | 1989-04-13 | Basf Ag | Verfahren zur herstellung von alkylierten dodecahydronaphto(2,1-b)-furanen |
| US5290805A (en) * | 1991-11-12 | 1994-03-01 | Lonza Inc. | Biocidal decylnonyl- and decylisononyl dimethylammonium compounds |
| US5399762A (en) * | 1993-06-09 | 1995-03-21 | Lonza, Inc. | Quaternary ammonium hydroxide compositions and preparation thereof |
| EP0640646B1 (de) * | 1993-08-26 | 2002-11-06 | Teijin Limited | Verfahren zur Herstellung von stabilisiertem Polycarbonat |
| JPH11133572A (ja) * | 1997-08-26 | 1999-05-21 | Fuji Photo Film Co Ltd | 熱処理装置及びその装置を使用した熱現像装置 |
| FR2774375B1 (fr) * | 1998-02-02 | 2000-03-24 | Atochem Elf Sa | Procede perfectionne de fabrication d'anhydrides (meth)acryliques mixtes de haute purete |
| EP1884560B1 (de) * | 2001-03-08 | 2010-02-10 | Kao Corporation | Verfahren zur Herstellung von quartären Ammoniumsalzen |
| US6525208B1 (en) * | 2002-04-03 | 2003-02-25 | Albemarle Corporation | Epoxidation of olefins |
| US7279607B2 (en) * | 2002-12-19 | 2007-10-09 | Kawasaki Kasei Chemicals Ltd. | Process for producing anthracene diether |
| DE10319465A1 (de) * | 2003-04-29 | 2004-11-18 | Solvent Innovation Gmbh | Neuartiges Verfahren zur Herstellung von ionischen Flüssigkeiten mit Alkylsulfat und funktionalisierten Alkylsulfat-Anionen |
-
2006
- 2006-03-03 DE DE102006009973A patent/DE102006009973A1/de not_active Withdrawn
-
2007
- 2007-02-23 CN CNA2007800077177A patent/CN101395128A/zh active Pending
- 2007-02-23 EP EP07711643A patent/EP1991521A2/de not_active Withdrawn
- 2007-02-23 US US12/281,610 patent/US20100204074A1/en not_active Abandoned
- 2007-02-23 WO PCT/EP2007/001572 patent/WO2007101563A2/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007101563A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007101563A2 (de) | 2007-09-13 |
| WO2007101563A3 (de) | 2007-10-25 |
| CN101395128A (zh) | 2009-03-25 |
| DE102006009973A1 (de) | 2007-09-06 |
| US20100204074A1 (en) | 2010-08-12 |
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Legal Events
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| 17P | Request for examination filed |
Effective date: 20080823 |
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| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE ES FR GB NL |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BIRNBRICH, PAUL Inventor name: SCHENKER, GILBERT Inventor name: HUESKEN, HENDRIK |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): DE ES FR GB NL |
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| 17Q | First examination report despatched |
Effective date: 20090525 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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| 18D | Application deemed to be withdrawn |
Effective date: 20090901 |