NL9201940A - Katalysatorsysteem van het gestructureerde type. - Google Patents

Katalysatorsysteem van het gestructureerde type. Download PDF

Info

Publication number: NL9201940A
Authority: NL; Netherlands
Prior art keywords: catalyst system; molecular sieve; sieve crystals; structured; modifications
Prior art date: 1992-11-05

Application number

NL9201940A

Other languages

English (en)

Dutch (nl)

Original Assignee

Univ Delft Tech

Priority date (The priority date 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 date listed.)

1992-11-05

Filing date

1992-11-05

Publication date

1994-06-01

1992-11-05 Application filed by Univ Delft Tech filed Critical Univ Delft Tech

1992-11-05 Priority to NL9201940A priority Critical patent/NL9201940A/nl

1993-11-05 Priority to AU55777/94A priority patent/AU5577794A/en

1993-11-05 Priority to PCT/NL1993/000234 priority patent/WO1994009902A1/fr

1993-11-05 Priority to EP94901069A priority patent/EP0667808B1/fr

1993-11-05 Priority to ES94901069T priority patent/ES2102805T3/es

1993-11-05 Priority to US08/432,157 priority patent/US5843392A/en

1993-11-05 Priority to DE69308313T priority patent/DE69308313T2/de

1994-06-01 Publication of NL9201940A publication Critical patent/NL9201940A/nl

Links

239000003054 catalyst Substances 0.000 title claims description 53
239000013078 crystal Substances 0.000 claims description 61
239000002808 molecular sieve Substances 0.000 claims description 33
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 33
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 28
239000011148 porous material Substances 0.000 claims description 17
238000012986 modification Methods 0.000 claims description 14
230000004048 modification Effects 0.000 claims description 14
238000000034 method Methods 0.000 claims description 13
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
239000010935 stainless steel Substances 0.000 claims description 10
229910001220 stainless steel Inorganic materials 0.000 claims description 10
150000001875 compounds Chemical class 0.000 claims description 7
238000012856 packing Methods 0.000 claims description 7
239000010949 copper Substances 0.000 claims description 6
239000007789 gas Substances 0.000 claims description 6
229910052751 metal Inorganic materials 0.000 claims description 6
239000002184 metal Substances 0.000 claims description 6
229910052802 copper Inorganic materials 0.000 claims description 5
229910052742 iron Inorganic materials 0.000 claims description 5
239000000463 material Substances 0.000 claims description 5
229910052720 vanadium Inorganic materials 0.000 claims description 5
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims description 5
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
230000008569 process Effects 0.000 claims description 4
230000009467 reduction Effects 0.000 claims description 4
238000005342 ion exchange Methods 0.000 claims description 3
229910052723 transition metal Inorganic materials 0.000 claims description 2
150000003624 transition metals Chemical class 0.000 claims description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
239000010410 layer Substances 0.000 description 9
239000002245 particle Substances 0.000 description 9
239000007787 solid Substances 0.000 description 7
229910021529 ammonia Inorganic materials 0.000 description 6
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
238000002425 crystallisation Methods 0.000 description 5
230000008025 crystallization Effects 0.000 description 5
238000010438 heat treatment Methods 0.000 description 5
239000000203 mixture Substances 0.000 description 5
239000000243 solution Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
239000012528 membrane Substances 0.000 description 4
229910052710 silicon Inorganic materials 0.000 description 4
239000000758 substrate Substances 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
229910052782 aluminium Inorganic materials 0.000 description 3
239000012876 carrier material Substances 0.000 description 3
229910052804 chromium Inorganic materials 0.000 description 3
239000011651 chromium Substances 0.000 description 3
239000000567 combustion gas Substances 0.000 description 3
OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 3
230000002349 favourable effect Effects 0.000 description 3
238000001000 micrograph Methods 0.000 description 3
239000010703 silicon Substances 0.000 description 3
238000001179 sorption measurement Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical group CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
238000009835 boiling Methods 0.000 description 2
238000012512 characterization method Methods 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
229910000423 chromium oxide Inorganic materials 0.000 description 2
229910052681 coesite Inorganic materials 0.000 description 2
238000001816 cooling Methods 0.000 description 2
229910052906 cristobalite Inorganic materials 0.000 description 2
238000009792 diffusion process Methods 0.000 description 2
238000009826 distribution Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000008240 homogeneous mixture Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
235000012239 silicon dioxide Nutrition 0.000 description 2
229910052682 stishovite Inorganic materials 0.000 description 2
LPSKDVINWQNWFE-UHFFFAOYSA-M tetrapropylazanium;hydroxide Chemical compound [OH-].CCC[N+](CCC)(CCC)CCC LPSKDVINWQNWFE-UHFFFAOYSA-M 0.000 description 2
239000010936 titanium Substances 0.000 description 2
229910052905 tridymite Inorganic materials 0.000 description 2
239000010457 zeolite Substances 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
229920000877 Melamine resin Polymers 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
239000004809 Teflon Substances 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
229910021536 Zeolite Inorganic materials 0.000 description 1
XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
239000011149 active material Substances 0.000 description 1
239000013543 active substance Substances 0.000 description 1
ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical group [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
244000052616 bacterial pathogen Species 0.000 description 1
239000011324 bead Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000007767 bonding agent Substances 0.000 description 1
239000004202 carbamide Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
238000003889 chemical engineering Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000012459 cleaning agent Substances 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
239000002131 composite material Substances 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
229910001431 copper ion Inorganic materials 0.000 description 1
239000011549 crystallization solution Substances 0.000 description 1
238000003795 desorption Methods 0.000 description 1
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
238000000921 elemental analysis Methods 0.000 description 1
239000000686 essence Substances 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
238000001027 hydrothermal synthesis Methods 0.000 description 1
238000007654 immersion Methods 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
238000002429 nitrogen sorption measurement Methods 0.000 description 1
238000010899 nucleation Methods 0.000 description 1
230000006911 nucleation Effects 0.000 description 1
235000015097 nutrients Nutrition 0.000 description 1
229910003445 palladium oxide Inorganic materials 0.000 description 1
238000001637 plasma atomic emission spectroscopy Methods 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000004626 scanning electron microscopy Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910052814 silicon oxide Inorganic materials 0.000 description 1
239000002356 single layer Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910001388 sodium aluminate Inorganic materials 0.000 description 1
229910001415 sodium ion Inorganic materials 0.000 description 1
239000007858 starting material Substances 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
229910001935 vanadium oxide Inorganic materials 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/60—Synthesis on support
- B01J2229/66—Synthesis on support on metal supports
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/46—Iron group metals or copper

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Environmental & Geological Engineering (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Catalysts (AREA)

NL9201940A 1992-11-05 1992-11-05 Katalysatorsysteem van het gestructureerde type. NL9201940A (nl)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
NL9201940A NL9201940A (nl)	1992-11-05	1992-11-05	Katalysatorsysteem van het gestructureerde type.
AU55777/94A AU5577794A (en)	1992-11-05	1993-11-05	Catalyst system of the structured type
PCT/NL1993/000234 WO1994009902A1 (fr)	1992-11-05	1993-11-05	Systeme catalytique du type structure
EP94901069A EP0667808B1 (fr)	1992-11-05	1993-11-05	Systeme catalytique du type structure
ES94901069T ES2102805T3 (es)	1992-11-05	1993-11-05	Sistema catalitico del tipo estructurado.
US08/432,157 US5843392A (en)	1992-11-05	1993-11-05	Catalyst system of the structured type
DE69308313T DE69308313T2 (de)	1992-11-05	1993-11-05	Katalytisches system mit struktur

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL9201940		1992-11-05
NL9201940A NL9201940A (nl)	1992-11-05	1992-11-05	Katalysatorsysteem van het gestructureerde type.

Publications (1)

Publication Number	Publication Date
NL9201940A true NL9201940A (nl)	1994-06-01

Family

ID=19861484

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL9201940A NL9201940A (nl)	1992-11-05	1992-11-05	Katalysatorsysteem van het gestructureerde type.

Country Status (7)

Country	Link
US (1)	US5843392A (fr)
EP (1)	EP0667808B1 (fr)
AU (1)	AU5577794A (fr)
DE (1)	DE69308313T2 (fr)
ES (1)	ES2102805T3 (fr)
NL (1)	NL9201940A (fr)
WO (1)	WO1994009902A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3371533B2 (ja) †	1994-03-31	2003-01-27	エヌオーケー株式会社	ガス分離膜の製造法
US5824617A (en) *	1994-07-08	1998-10-20	Exxon Research & Engineering Company	Low alkaline inverted in-situ crystallized zeolite membrane
GB9413863D0 (en) *	1994-07-08	1994-08-24	Exxon Chemical Patents Inc	Molecular sieves and processes for their manufacture
US5763347A (en) *	1994-07-08	1998-06-09	Exxon Research And Engineering Company	In-situ crystallized zeolite containing composition (LAI-ISC)
DE19607577A1 (de) *	1996-02-29	1997-09-04	Basf Ag	Netzkatalysator auf Basis von Titan- oder Vanadiumzeolithen und inerten Netzgeweben zur Beschleunigung von Oxidationsreaktionen
NL1003778C2 (nl) *	1996-08-09	1998-02-12	Univ Delft Tech	Werkwijze ter vervaardiging van een composiet-katalysator.
US6440885B1 (en) *	1998-12-30	2002-08-27	Corning Incorporated	Zeolite membrane and a process for the production thereof
TWI292340B (en) *	2005-07-13	2008-01-11	Ind Tech Res Inst	Antireflective transparent zeolite hardcoat film, method for fabricating the same, and solution capable of forming said transparent zeolite film

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4692423A (en) *	1985-12-04	1987-09-08	Mobil Oil Corporation	Method for preparing structured catalytic solids
CA1301400C (fr) *	1987-11-09	1992-05-19	Sellathurai Suppiah	Materiaux composites poreux et methode de fabrication
NL9000454A (nl) *	1990-02-26	1991-09-16	Albert Willem Gerritsen	Werkwijze voor het vervaardigen van een reactorpakking uit vaste stof deeltjes en een aldus vervaardigde reactorpakking.
CA2020482C (fr) *	1990-07-05	1999-10-12	Sellathurai Suppiah	Zeolites riches en silice pour cadres supports
US5120692A (en) *	1991-02-04	1992-06-09	Mobil Oil Corp.	Molecular sieves coated with non-oxide ceramics
NL9100217A (nl) *	1991-02-07	1992-09-01	Univ Delft Tech	Moleculaire-zeefkristallen bevattend anorganisch composietmembraan.
US5278113A (en) *	1991-03-08	1994-01-11	Matsushita Electric Industrial Co., Ltd.	Catalytic body and process for producing the same
JPH05105420A (ja) *	1991-03-29	1993-04-27	Ngk Insulators Ltd	ゼオライト結晶体の合成膜およびその製造方法
US5310714A (en) *	1992-07-08	1994-05-10	Mobil Oil Corp.	Synthesis of zeolite films bonded to substrates, structures and uses thereof

1992
- 1992-11-05 NL NL9201940A patent/NL9201940A/nl not_active Application Discontinuation
1993
- 1993-11-05 DE DE69308313T patent/DE69308313T2/de not_active Expired - Fee Related
- 1993-11-05 EP EP94901069A patent/EP0667808B1/fr not_active Expired - Lifetime
- 1993-11-05 AU AU55777/94A patent/AU5577794A/en not_active Abandoned
- 1993-11-05 US US08/432,157 patent/US5843392A/en not_active Expired - Fee Related
- 1993-11-05 ES ES94901069T patent/ES2102805T3/es not_active Expired - Lifetime
- 1993-11-05 WO PCT/NL1993/000234 patent/WO1994009902A1/fr not_active Ceased

Also Published As

Publication number	Publication date
DE69308313D1 (de)	1997-04-03
AU5577794A (en)	1994-05-24
EP0667808A1 (fr)	1995-08-23
ES2102805T3 (es)	1997-08-01
US5843392A (en)	1998-12-01
WO1994009902A1 (fr)	1994-05-11
DE69308313T2 (de)	1997-10-16
EP0667808B1 (fr)	1997-02-26

Legal Events

Date	Code	Title
1994-06-01	A1B	A search report has been drawn up
1995-07-03	BV	The patent application has lapsed
1995-08-01	BV	The patent application has lapsed

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