ATE500889T1 - Katalysator zur oxidation oder ammoxidation - Google Patents
Katalysator zur oxidation oder ammoxidationInfo
- Publication number
- ATE500889T1 ATE500889T1 AT03736099T AT03736099T ATE500889T1 AT E500889 T1 ATE500889 T1 AT E500889T1 AT 03736099 T AT03736099 T AT 03736099T AT 03736099 T AT03736099 T AT 03736099T AT E500889 T1 ATE500889 T1 AT E500889T1
- Authority
- AT
- Austria
- Prior art keywords
- catalyst
- ammoxidation
- oxidation
- disclosed
- oxide
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 4
- 230000003647 oxidation Effects 0.000 title abstract 2
- 238000007254 oxidation reaction Methods 0.000 title abstract 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 abstract 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 abstract 2
- 239000010955 niobium Substances 0.000 abstract 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 229910052787 antimony Inorganic materials 0.000 abstract 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000007792 gaseous phase Substances 0.000 abstract 1
- 239000001282 iso-butane Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
- 239000001294 propane Substances 0.000 abstract 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/215—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of saturated hydrocarbyl groups
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- 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
- B01J37/08—Heat treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/24—Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/612—Surface area less than 10 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0045—Drying a slurry, e.g. spray drying
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2003/007274 WO2004108278A1 (ja) | 2003-06-09 | 2003-06-09 | 酸化またはアンモ酸化用触媒 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE500889T1 true ATE500889T1 (de) | 2011-03-15 |
Family
ID=33495954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT03736099T ATE500889T1 (de) | 2003-06-09 | 2003-06-09 | Katalysator zur oxidation oder ammoxidation |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7595277B2 (de) |
| EP (1) | EP1632287B1 (de) |
| JP (1) | JP4553260B2 (de) |
| CN (1) | CN100400157C (de) |
| AT (1) | ATE500889T1 (de) |
| AU (1) | AU2003242067A1 (de) |
| DE (1) | DE60336348D1 (de) |
| ES (1) | ES2357944T3 (de) |
| PT (1) | PT1632287E (de) |
| WO (1) | WO2004108278A1 (de) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7629342B2 (en) | 2005-06-17 | 2009-12-08 | Bristol-Myers Squibb Company | Azabicyclic heterocycles as cannabinoid receptor modulators |
| JP5187800B2 (ja) * | 2006-05-19 | 2013-04-24 | 旭化成ケミカルズ株式会社 | 不飽和酸または不飽和ニトリルの製造方法 |
| JP5840822B2 (ja) * | 2006-09-27 | 2016-01-06 | 旭化成ケミカルズ株式会社 | 流動層反応器の温度制御方法 |
| US7754910B2 (en) | 2007-02-16 | 2010-07-13 | Ineos Usa Llc | Mixed metal oxide catalysts for the ammoxidation of propane and isobutane |
| US7531681B2 (en) | 2007-02-16 | 2009-05-12 | Ineos Usa Llc | Process for the ammoxidation of propane and isobutane |
| US8697596B2 (en) | 2007-04-03 | 2014-04-15 | Ineos Usa Llc | Mixed metal oxide catalysts and catalytic conversions of lower alkane hydrocarbons |
| RU2495024C2 (ru) * | 2007-10-11 | 2013-10-10 | ИНЕОС ЮЭсЭй ЭлЭлСи | Способ окислительного аммонолиза или окисления пропана и изобутана |
| US7919428B2 (en) * | 2007-12-04 | 2011-04-05 | Ineos Usa Llc | Method of making mixed metal oxide catalysts for ammoxidation and/or oxidation of lower alkane hydrocarbons |
| EP2226121B1 (de) * | 2007-12-26 | 2015-08-26 | Asahi Kasei Chemicals Corporation | Verfahren zur herstellung eines oxidkatalysators |
| US20090198081A1 (en) * | 2008-02-05 | 2009-08-06 | Christos Paparizos | Process for the ammoxidation of propane and isobutane |
| JP5527994B2 (ja) * | 2008-03-31 | 2014-06-25 | 旭化成ケミカルズ株式会社 | 酸化物触媒の製造方法 |
| MX2011001164A (es) * | 2008-08-01 | 2011-03-15 | Ineos Usa Llc | Metodo de elaboracion de catalizadores de oxido metal mezclados para la amoxidacion y/u oxidacion de hidrocarburos de alcanos inferiores. |
| MY161358A (en) * | 2010-12-27 | 2017-04-14 | Asahi Kasei Chemicals Corp | Composite oxide catalyst and method for producing the same |
| CN103313966B (zh) * | 2011-01-13 | 2015-02-18 | 旭化成化学株式会社 | 不饱和腈的制造方法 |
| WO2014167482A1 (en) | 2013-04-08 | 2014-10-16 | Saudi Basic Industries Corporation | Catalyst for conversion of propylene to product comprising a carboxylic acid moiety |
| CN105209167A (zh) | 2013-04-24 | 2015-12-30 | 沙特基础工业公司 | 用于将烷烃氧化成不饱和羧酸和烯烃的高生产率催化剂 |
| WO2014174371A2 (en) | 2013-04-24 | 2014-10-30 | Saudi Basic Industries Corporation | Supported catalyst for production of unsaturated carboxylic acids from alkanes |
| CN105771959B (zh) * | 2014-12-22 | 2018-12-18 | 中触媒有限公司 | 一种复合金属氧化物催化剂及其制备方法和应用 |
| CN115957702A (zh) * | 2015-03-13 | 2023-04-14 | 三菱化学株式会社 | 向流化床反应器填充催化剂的方法及腈化合物的制造方法 |
| RU2661196C1 (ru) * | 2015-03-31 | 2018-07-13 | Асахи Касеи Кабусики Кайся | Способ получения оксидного катализатора и способ получения ненасыщенного нитрила |
| MY188595A (en) | 2016-08-02 | 2021-12-22 | Asahi Chemical Ind | Method for producing oxide catalyst and method for producing unsaturated nitrile |
| US20210322959A1 (en) * | 2018-04-13 | 2021-10-21 | Asahi Kasei Kabushiki Kaisha | Catalyst, method for producing catalyst, and method for producing acrylonitrile |
| CA3114655A1 (en) * | 2018-10-18 | 2020-04-23 | Shell Internationale Research Maatschappij B.V. | Catalyst for alkane oxidative dehydrogenation and/or alkene oxidation |
| JP7191254B2 (ja) | 2020-01-31 | 2022-12-16 | 旭化成株式会社 | 触媒製造用組成物、触媒製造用組成物の製造方法、及び酸化物触媒を製造する製造方法 |
| KR20230159843A (ko) * | 2021-03-24 | 2023-11-22 | 미쯔비시 케미컬 주식회사 | 촉매, 촉매의 제조 방법, 및 α,β-불포화 알데하이드, α,β-불포화 카복실산, 및 α,β-불포화 카복실산 에스터의 제조 방법 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1496331A (en) * | 1975-09-08 | 1977-12-30 | Bp Chem Int Ltd | Catalyst composition |
| US5162578A (en) | 1987-06-12 | 1992-11-10 | Union Carbide Chemicals & Plastics Technology Corporation | Acetic acid from ethane, ethylene and oxygen |
| US4784979A (en) | 1987-12-07 | 1988-11-15 | The Standard Oil Company | Catalyst and catalyst precursor containing vanadium and antimony |
| BR9203080A (pt) * | 1991-08-08 | 1993-03-30 | Mitsubishi Chem Ind | Processo e catalisador para a producao de uma nitrila,e processo para produzir o dito cartlaisador |
| US5750760A (en) | 1995-10-05 | 1998-05-12 | Mitsubishi Chemical Corporation | Method for producing a nitrile |
| JP3769866B2 (ja) | 1996-04-18 | 2006-04-26 | 三菱化学株式会社 | 気相接触酸化用触媒の製造方法 |
| JPH1045664A (ja) | 1996-07-30 | 1998-02-17 | Mitsubishi Chem Corp | α,β−不飽和カルボン酸の製造方法 |
| US5994580A (en) * | 1996-10-21 | 1999-11-30 | Toagosei Co., Ltd. | Process for producing acrylic acid |
| ID20720A (id) * | 1997-08-05 | 1999-02-18 | Asahi Chemical Ind | Larutan berair yang mengandung niobium untuk digunakan dalam pembuatan katalis oksida yang mengandung niobium |
| EP0895809B1 (de) | 1997-08-05 | 2014-03-19 | Asahi Kasei Kabushiki Kaisha | Verfahren zur Herstellung von Niobium enthaltender Oxidkatalysator aus Niobium enthaltender wässriger Lösung |
| JPH11169716A (ja) | 1997-12-09 | 1999-06-29 | Mitsubishi Chemical Corp | 不飽和ニトリルおよび/または不飽和カルボン酸を製造するための触媒 |
| JP4154628B2 (ja) | 1998-02-04 | 2008-09-24 | 永田醸造機械株式会社 | 排水の容易な浸漬方法及び装置 |
| JP3959836B2 (ja) * | 1998-04-02 | 2007-08-15 | 東亞合成株式会社 | アクリル酸製造用触媒の製造方法 |
| KR100373895B1 (ko) * | 1998-08-28 | 2003-02-26 | 아사히 가세이 가부시키가이샤 | 프로판 또는 이소부탄으로부터 아크릴로니트릴 또는메트아크릴로니트릴을 제조하는데 사용하기 위한 산화물촉매의 제조 방법 |
| EP1146067A1 (de) | 1998-12-25 | 2001-10-17 | Mitsui Chemicals, Inc. | Verfahren und apparatur zur kontinuierlichen herstellung von vernetztem polymer |
| JP2001058827A (ja) | 1999-06-17 | 2001-03-06 | Mitsubishi Chemicals Corp | 複合酸化物の製造方法 |
| JP4484995B2 (ja) | 2000-01-31 | 2010-06-16 | 旭化成ケミカルズ株式会社 | 不飽和ニトリルを製造する方法 |
| KR100407528B1 (ko) * | 2000-09-18 | 2003-11-28 | 아사히 가세이 가부시키가이샤 | 산화 또는 가암모니아산화용 산화물 촉매의 제조 방법 |
| JP4530595B2 (ja) * | 2000-12-13 | 2010-08-25 | 旭化成ケミカルズ株式会社 | 酸化またはアンモ酸化用酸化物触媒 |
| JP2002301373A (ja) | 2001-04-05 | 2002-10-15 | Mitsubishi Chemicals Corp | 複合金属酸化物触媒の製造方法 |
| JP2002316052A (ja) | 2001-04-24 | 2002-10-29 | Mitsubishi Chemicals Corp | 複合金属酸化物触媒の製造方法 |
| US6645906B2 (en) | 2001-04-30 | 2003-11-11 | Rohm And Haas Company | High temperature mixing |
| JP4647858B2 (ja) * | 2001-09-06 | 2011-03-09 | 旭化成ケミカルズ株式会社 | 酸化またはアンモ酸化用酸化物触媒及びその製造方法 |
-
2003
- 2003-06-09 PT PT03736099T patent/PT1632287E/pt unknown
- 2003-06-09 CN CNB2003801103185A patent/CN100400157C/zh not_active Expired - Lifetime
- 2003-06-09 AU AU2003242067A patent/AU2003242067A1/en not_active Abandoned
- 2003-06-09 ES ES03736099T patent/ES2357944T3/es not_active Expired - Lifetime
- 2003-06-09 EP EP03736099A patent/EP1632287B1/de not_active Expired - Lifetime
- 2003-06-09 US US10/556,366 patent/US7595277B2/en not_active Expired - Lifetime
- 2003-06-09 WO PCT/JP2003/007274 patent/WO2004108278A1/ja not_active Ceased
- 2003-06-09 JP JP2005500572A patent/JP4553260B2/ja not_active Expired - Lifetime
- 2003-06-09 AT AT03736099T patent/ATE500889T1/de not_active IP Right Cessation
- 2003-06-09 DE DE60336348T patent/DE60336348D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1632287B1 (de) | 2011-03-09 |
| AU2003242067A1 (en) | 2005-01-04 |
| ES2357944T3 (es) | 2011-05-04 |
| JPWO2004108278A1 (ja) | 2006-07-27 |
| CN1771085A (zh) | 2006-05-10 |
| US20060235238A1 (en) | 2006-10-19 |
| JP4553260B2 (ja) | 2010-09-29 |
| WO2004108278A1 (ja) | 2004-12-16 |
| US7595277B2 (en) | 2009-09-29 |
| CN100400157C (zh) | 2008-07-09 |
| DE60336348D1 (de) | 2011-04-21 |
| PT1632287E (pt) | 2011-05-12 |
| EP1632287A4 (de) | 2009-02-04 |
| EP1632287A1 (de) | 2006-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60336348D1 (de) | Katalysator zur oxidation oder ammoxidation | |
| WO2004035528A8 (de) | Verfahren zur herstellung einer multimetalloxidmasse | |
| ATE390401T1 (de) | Verfahren zur herstellung von acrylsäure durch heterogen katalysierte gasphasenoxidation von propan | |
| MY125527A (en) | Modified carrier, complex oxide catalyst and process for preparation of acrylic acid | |
| EP1407819A3 (de) | Durch hydrothermale Behandlung hergestellte Mo-V-M-Nb-X-oxid Katalysatoren für die selektive Oxidation von Kohlenwasserstoffen | |
| EP1262235A3 (de) | Molybdän und Vanadium enthaltender Mischoxidkatalysator und Verfahren zu seiner Herstellung | |
| BR0304777A (pt) | Processo para a preparação de um catalisador para oxidação e amoxidação de olefinas | |
| Katou et al. | Structure dependency of Mo-VO-based complex oxide catalysts in the oxidations of hydrocarbons | |
| JP2002239382A5 (de) | ||
| Nieto et al. | Oxidative dehydrogenation of ethane on Te-containing MoVNbO catalysts | |
| EP0811597A3 (de) | Verfahren zur Herstellung von Acrylsäure | |
| DE602006003200D1 (de) | Verfahren zur herstellung verbesserter katalysatoren zur selektiven oxidierung von propan zu acrylsäure | |
| KR890008084A (ko) | 니트릴의 제조방법 | |
| RU2009140374A (ru) | Смешанные металлооксидные катализаторы и способ каталитической конверсии низших алифатических углеводородов | |
| EP1292559B1 (de) | Zweistufiges verfahren zur herstellung von ungesättigten carbonsäuren durch oxidation von niederen, ungesättigten carbonsäuren | |
| IL171952A0 (en) | Method for producing phthalic anhydride | |
| RU2012146975A (ru) | Смешанный катализатор | |
| ATE500890T1 (de) | Verfahren zur herstellung von acrolein durch heterogen katalysierte partielle gasphasenoxidation von propen | |
| MY129367A (en) | Process for producing acrylic acid | |
| ATE469874T1 (de) | Verfahren zur herstellung von teilweise oxidierten produkten niederer alkohole durch direkte oxidierung eines niederen alkohols, und katalysatoren zur verwendung in diesem verfahren | |
| EP1346766A4 (de) | Alkanoxidationskatalysator, verfahren zu seiner herstellung und verfahren zur herstellung sauerstoffhaltiger ungesättigter verbindungen | |
| TW200507930A (en) | Catalyst composition and use thereof in oxidation reactions | |
| TW426699B (en) | Catalyst system for the one step gas phase production of acetic acid from ethylene and methods of making and using the same | |
| MY136578A (en) | Catalyst for oxidation or ammoxidation | |
| ATE396963T1 (de) | Verfahren zur herstellung von acrylsäure durch heterogen katalysierte gasphasenoxidation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |