WO2001034299A1 - Procede de production de catalyseur a l'oxyde de silicium contenant du titane, catalyseur, et procede de production de compose d'oxirane a l'aide dudit catalyseur - Google Patents
Procede de production de catalyseur a l'oxyde de silicium contenant du titane, catalyseur, et procede de production de compose d'oxirane a l'aide dudit catalyseur Download PDFInfo
- Publication number
- WO2001034299A1 WO2001034299A1 PCT/JP2000/007767 JP0007767W WO0134299A1 WO 2001034299 A1 WO2001034299 A1 WO 2001034299A1 JP 0007767 W JP0007767 W JP 0007767W WO 0134299 A1 WO0134299 A1 WO 0134299A1
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- WO
- WIPO (PCT)
- Prior art keywords
- silicon
- catalyst
- compound
- titanium
- producing
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Classifications
-
- 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
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J37/03—Precipitation; Co-precipitation
- B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
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- 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
-
- 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
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Definitions
- the present invention relates to a method for producing a titanium-containing silicon oxide catalyst, a catalyst and a method for producing an oxysilane compound using the catalyst. More specifically, the present invention provides a method for producing a titanium-containing silicon oxide catalyst which can react an olefin with a peroxide compound in the presence of a catalyst in the presence of a catalyst to obtain an oxysilane compound with high selectivity and yield. The present invention relates to the catalyst and a method for producing an oxysilane compound using the catalyst. Background technique
- a method for obtaining an oxysilane compound by reacting an olefin with a hydroperoxide compound in the presence of a catalyst is known.
- US Pat. No. 4,366,732 discloses a method using a titanium-supported silica catalyst.
- the conventional method was insufficient from the viewpoint of the selectivity to the target oxysilane compound and the yield thereof. Disclosure of the invention
- An object of the present invention is to provide a method for producing a titanium-containing silicon oxide catalyst capable of obtaining an oxysilane compound with high selectivity and yield by reacting olefin and a peroxide compound in the presence of a catalyst.
- An object of the present invention is to provide a method for producing an oxysilane compound using the catalyst.
- the present invention relates to a method for producing a titanium-containing silicon oxide catalyst having a silicon-carbon-silicon bond, a silicon-oxygen-silicon bond, and a silicon-oxygen-titanium bond, wherein the silicon represented by the following formula (1) is provided.
- Compound and titanium alkoxide compound are gelled in water and / or alcohol solvent, and the solvent in the obtained gel is extracted and removed with a supercritical fluid
- the present invention relates to a method for producing a titanium-containing silicon oxide catalyst.
- R i to R 7 each independently represent a hydrocarbon group having 1 to 20 carbon atoms.
- Another invention is characterized by reacting olefin and a hydroperoxide compound in the presence of the catalyst obtained by the above method. And a method for producing an oxysilane compound.
- silicon compound (1) a silicon compound represented by the following formula (1) (hereinafter referred to as silicon compound (1)) is used.
- R i to R 7 each independently represent a hydrocarbon group having 1 to 20 carbon atoms.
- R i to R 6 are an alkyl group, a methyl group, an ethyl group, a propyl group, a butyl group, Examples thereof include an isopropyl group and an isobutyl group. Particularly preferred are a methyl group and an ethyl group which are easily available industrially.
- R 7 is a divalent hydrocarbon group having 1 to 20 carbon atoms, for example, an alkylene group such as a methylene group, an ethylene group, a propylene group, a butylene group, a phenylene group, a 1,4-bis (methylene) phenylene group; Examples thereof include aromatic hydrocarbon groups such as a benzene group, 1,4-bis (ethylene) phenylene group, and a hydrocarbon group obtained by combining these hydrocarbon groups, and a part of these hydrocarbon groups. May be substituted with a hetero atom.
- an alkylene group such as a methylene group, an ethylene group, a propylene group, a butylene group, a phenylene group, a 1,4-bis (methylene) phenylene group
- aromatic hydrocarbon groups such as a benzene group, 1,4-bis (ethylene) phenylene group, and a hydrocarbon group obtained by combining these hydrocarbon groups, and a part of these hydro
- silicon compound (1) examples include bis (triethoxysilyl) ethane, bis (triethoxysilyl) methane, bis (trimethoxysilyl) ethane, bis (trimethoxysilyl) methane, and bis (trimethoxysilyl).
- ) Hexane, 1,4-bis (trimethoxysilylethyl) benzene and the like can be exemplified.
- silicon compound (2) a silicon compound represented by the following formula (2) (hereinafter referred to as silicon compound (2)) and Z or a silicon compound represented by the following formula (3)
- silicon compound (3) is preferred from the viewpoint that the skeletal strength and the hydrophobicity can be adjusted to an arbitrary degree.
- R 8 , R 9 and R io each independently represent a hydrocarbon group having 1 to 20 carbon atoms.
- M represents an integer of 1 or 2.
- R 8 , R 9 or R io is plural, , They may be the same or different.
- the hydrocarbon group is an alkyl group having 1 to 20 carbon atoms such as a methyl group, an ethyl group, a propyl group, an isopropyl group or a butyl group, an aryl group having up to 20 carbon atoms such as a phenyl group, or a benzyl group.
- aralkyl groups having up to 20 carbon atoms, and the like, and a part of these hydrocarbon groups may be substituted with a hetero atom.
- a methyl group, an ethyl group, a propyl group, a butyl group and a phenyl group, which are easily available industrially, are particularly preferred.
- Preferred specific examples of the silicon compound (2) include tetramethoxysilane and tetrabutoxysilane.
- Preferable specific examples of the silicon compound (3) include trimethoxymethylsilane, trimethoxyphenylsilane, dimethoxydimethylsilane, triethoxymethylsilane, triethoxyphenylsilane and the like.
- the ratio of the number of moles of the hydrocarbon group bonded to the silicon atom to the total number of moles of silicon of the silicon compound (1) and the silicon compound (2) and / or the silicon compound (3) is 5 to 150. %, More preferably 20 to 80%. If the ratio is too small, the catalyst performance may be reduced. On the other hand, if the ratio is too large, gelation may not progress in the catalyst synthesis.
- Titanium alkoxide compounds include tetramethoxytitanium, tetraethoxy Xititanium, diisopropoxybisacetylacetonatotitanium and the like can be exemplified.
- the use amount (molar number) of the titanium alkoxide compound is preferably 0.0001 to 1 based on the total mole number of all silicon compounds. If the amount of the titanium alkoxide compound is too small, the activity may be reduced due to the reduction of the active site, while if the amount is too large, the activity may be reduced due to the generation of titania.
- Examples of the alcohol serving as the solvent include methanol, ethanol, n-propal, isopropanol, butanol, cyclohexanol, and ethylene glycol.
- the silicon compound and the titanium alkoxide compound are gelled in water and a Z or alcohol solvent.
- the following methods can be used for gelation. That is, the hydrolysis / condensation reaction of the silicon compound and the titanium compound proceeds by adding an acid or alcohol as a promoter to water or the Z or alcohol solution in which the silicon compound and the titanium compound are dissolved. Then, a gel which is a polymer condensate having a silicon-carbon-silicon bond, a silicon-oxygen-silicon bond, and a silicon-oxygen-titanium bond is obtained.
- the gelation reaction is usually performed at 130 to 100 ° C. Aging may be performed to grow the gelled solid. The ripening is usually within o ⁇ 20 o, 180 hours.
- an acid or an alkali is used, but from the viewpoint of the obtained catalyst performance, the use of an acid is preferred.
- the acid include inorganic acids such as nitric acid, hydrochloric acid, and sulfuric acid, and organic acids such as formic acid and acetic acid.
- the alkali include sodium hydroxide, potassium hydroxide, and ammonia.
- the amount of the acid or alcohol added is not limited because it depends on the type of the starting compound and the gelling conditions, but is generally in the range of 0.001 to 100 mol per mol of the silicon compound. In the obtained gel, the solvent therein is extracted and removed with a supercritical fluid.
- the fluid examples include carbon dioxide, methanol, ethanol, and propanol.
- the use of carbon dioxide is preferred because of easy post-treatment and high catalytic performance.
- the following methods can be used for extraction and removal. That is, the conditions under which supercritical carbon dioxide is formed in the autoclave charged with the gel, It can be carried out by flowing supercritical carbon dioxide at a temperature of about 31 ° C or more and a pressure of about 7.3 MPa or more.
- a supercritical carbon dioxide fluid at a temperature of 31 to 100 and a pressure of 10 to 3 OMPa can be used.
- the water and Z or alcohol solvent taken into the gel can be extracted and removed.
- drying and further silylation treatment can be performed. Drying can be carried out at 0 to 200 ° C. under reduced pressure or under a flow of a gas such as air or nitrogen.
- the silylation treatment the dried catalyst obtained in the preceding step is brought into contact with the silylating agent in a solvent or in a gaseous phase at a temperature of 20 to 300 ° C. to convert hydroxyl groups present on the surface of the catalyst into silyl groups. This is done by converting to By performing this silylation treatment, catalyst performance can be improved.
- silylating agent examples include organic silanes such as chlorotrimethylsilane, dichlorodimethylsilane, chlorotriethylsilane, N-trimethylsilylimidazole, Nt-butyldimethylsilylimidazole, N-trimethylsilyldimethylamine, etc.
- organic silanes such as chlorotrimethylsilane, dichlorodimethylsilane, chlorotriethylsilane, N-trimethylsilylimidazole, Nt-butyldimethylsilylimidazole, N-trimethylsilyldimethylamine, etc.
- Organic silylamines, organic silylamides such as N, O-bistrimethylsilylacetamide and N-trimethylsilylacetamide, and organic silazanes such as hexamethyldisilazane and heptamethyldisilazane.
- a preferred silylating agent is hexamethyldis
- the catalyst of the present invention is a titanium-containing silicon oxide catalyst having a silicon-carbon-silicon bond, a silicon-oxygen-silicon bond, and a silicon monoxide-titanium bond.
- the silicon-carbon-silicon bond in the catalyst can be mainly confirmed by 29Si_NMR and isC-NMR.
- 29Si_NMR if two Si atoms are bridged by a phenyl group, isC-NMR should confirm the number of carbon atoms of the phenyl group bonded to Si by two peaks near 145 ppm.
- 29 si—NMR three peaks appearing at around ⁇ 60 to ⁇ 80 ppm confirm the presence of Si atoms bonded to Si and C. Details are described in Douglas A.
- the catalyst obtained in the present invention has a large surface area and highly dispersed titanium active sites, it can be used for selective oxidation reactions, for example, olefin epoxidation reactions, and various oxidation reactions of organic compounds. It is. If desired, the acid point of the catalyst can be further strengthened by adding a third component such as alumina, and the catalyst can be used for an alkylation reaction and a catalytic reforming reaction.
- a third component such as alumina
- the catalyst of the present invention is optimally used in a method for producing an oxysilane compound by reacting an olefin with a peroxide compound at a hydride.
- the olefins used for the reaction include ethylene, propylene, 1-butene,
- Examples thereof include 2-butene, isobutylene, butadiene, 1-pentene, isoprene, 1-hexene, 1-octene, 1-decene, cyclopentene, cyclohexene, styrene, acrylyl chloride, and aryl alcohol.
- any of organic and inorganic hydroperoxides can be used as the hydroperoxide compound.
- the organic halide peroxide include ethylbenzene octaperoxide, cumene octadropoxide, t-butyl octadropoxide, and the like.
- Hydrogen peroxide and the like can be exemplified as the inorganic hydride peroxide.
- the reaction is carried out in the liquid phase in the presence or absence of a suitable solvent.
- a suitable solvent a compound which is inactive in reaction and has high solubility of the olefin and / or the hydroperoxide compound can be used.
- Specific examples of the solvent when using an organic hydroperoxide include butane, octane, benzene, toluene, ethylbenzene, and the like.
- Hydrocarbons such as cumene.
- specific examples of the solvent when the inorganic hydroperoxide is used include methanol, ethanol, isopropanol, t-butanol, water and the like.
- the epoxidation reaction can generally be performed at a temperature between 0 and 200 ° C.
- the pressure may be a pressure for keeping the reaction mixture in a liquid state, and is generally 0.1 to 10 MPa.
- the epoxidation reaction can be carried out by a batch method, a semi-continuous method, or a continuous method using a powder catalyst or a formed catalyst and using a slurry or a fixed bed.
- a silylation treatment was carried out by drying under reduced pressure at 25: 10 at about 100 Pa for 10 hours to obtain about 12 g of a catalyst.
- the surface area of the obtained catalyst was 384 m 2 Zg, and the pore volume was 1.4 ml Zg.
- the epoxy reaction test was performed under the following conditions.
- the reaction solution was prayed and the reaction results were determined. Table 1 shows the results.
- Example 2
- Example 1 In Example 1, 21.6 g of 1,4-bis (trimethoxysilylethyl) benzene and 5.9 g of dimethoxydimethylsilane were used as silicon compounds and 70% nitric acid 2 The same operation was performed using lm1. Table 1 shows the results.
- Example 3 In Example 1, 21.6 g of 1,4-bis (trimethoxysilylethyl) benzene and 5.9 g of dimethoxydimethylsilane were used as silicon compounds and 70% nitric acid 2 The same operation was performed using lm1. Table 1 shows the results. Example 3
- Example 1 the same operation was performed by using 16.2 g of 1,2-bis (trimethoxysilyl) ethane and 6.2 g of dimethoxydimethylsilane as silicon compounds, and further using 2 lm 1 of 70% nitric acid. . Table 1 shows the results.
- Example 4 the same operation was performed by using 16.2 g of 1,2-bis (trimethoxysilyl) ethane and 6.2 g of dimethoxydimethylsilane as silicon compounds, and further using 2 lm 1 of 70% nitric acid. Table 1 shows the results.
- Example 4 the same operation was performed by using 16.2 g of 1,2-bis (trimethoxysilyl) ethane and 6.2 g of dimethoxydimethylsilane as silicon compounds, and further using 2 lm 1 of 70% nitric acid. Table 1 shows the results.
- Example 4 the same operation was performed by using 16.2 g of 1,2-bis (trimethoxysilyl) ethane
- Example 1 the same operation was performed using 28.0 g of 1,6-bis (trimethoxysilyl) hexane as a silicon compound and 5.7 ml of 70% nitric acid. Table 1 shows the results. Comparative Example 1
- Example 2 The same operation as in Example 1 was performed using 26.lg of tetramethoxysilane as a silicon compound and 30 ml of 70% nitric acid. Table 2 shows the results. Comparative Example 2
- Example 1 the same operation was carried out using 10.4 g of tetramethoxysilane and 14 g of trimethyloxymethylsilane as silicon compounds, and 26 ml of 70% nitric acid. Table 2 shows the results.
- Ratio of R% Ratio of total number of moles of hydrocarbon group R bonded to Si atom to total number of moles of Si
- a titanium-containing silicon oxide catalyst capable of reacting an olefin with a peroxide compound at a hide port to obtain an oxysilane compound with a high selectivity and a high yield, and using the catalyst
- the present invention can provide a method for producing an oxysilane compound.
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020027005883A KR20020047340A (ko) | 1999-11-09 | 2000-11-02 | 티탄 함유 규소 산화물 촉매의 제조방법, 당해 촉매 및당해 촉매를 사용한 옥시란 화합물의 제조방법 |
US10/129,533 US6881697B1 (en) | 1999-11-09 | 2000-11-02 | Process for producing titanium-containing silicon oxide catalyst, the catalyst, and process for producing oxirane compound with the catalyst |
EP00971783A EP1262233B1 (en) | 1999-11-09 | 2000-11-02 | Process for producing titanium-containing silicon oxide catalyst, the catalyst, and process for producing oxirane compound with the catalyst |
AU10560/01A AU1056001A (en) | 1999-11-09 | 2000-11-02 | Process for producing titanium-containing silicon oxide catalyst, the catalyst, and process for producing oxirane compound with the catalyst |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP11/318112 | 1999-11-09 | ||
JP31811299A JP4325045B2 (ja) | 1999-11-09 | 1999-11-09 | チタン含有珪素酸化物触媒の製造方法、該触媒及び該触媒を用いたオキシラン化合物の製造方法 |
Publications (1)
Publication Number | Publication Date |
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WO2001034299A1 true WO2001034299A1 (fr) | 2001-05-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2000/007767 WO2001034299A1 (fr) | 1999-11-09 | 2000-11-02 | Procede de production de catalyseur a l'oxyde de silicium contenant du titane, catalyseur, et procede de production de compose d'oxirane a l'aide dudit catalyseur |
Country Status (8)
Country | Link |
---|---|
US (1) | US6881697B1 (ja) |
EP (1) | EP1262233B1 (ja) |
JP (1) | JP4325045B2 (ja) |
KR (1) | KR20020047340A (ja) |
CN (1) | CN1138767C (ja) |
AU (1) | AU1056001A (ja) |
ES (1) | ES2267576T3 (ja) |
WO (1) | WO2001034299A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040198066A1 (en) * | 2003-03-21 | 2004-10-07 | Applied Materials, Inc. | Using supercritical fluids and/or dense fluids in semiconductor applications |
US9440869B2 (en) | 2005-09-30 | 2016-09-13 | Abs Materials, Inc. | Sol-gel derived compositions |
US8367793B2 (en) * | 2005-09-30 | 2013-02-05 | Abs Materials, Inc. | Swellable materials and methods of use |
EP2396111A1 (en) * | 2009-02-16 | 2011-12-21 | CRC Care Pty Ltd | Photocatalyst and method for production |
JP5445473B2 (ja) * | 2011-01-14 | 2014-03-19 | 信越化学工業株式会社 | 光学材料形成用シリコーン樹脂組成物及び光学材料 |
KR20140051373A (ko) * | 2011-08-02 | 2014-04-30 | 에이비에스 머티리얼즈 인코포레이티드 | 졸-겔 유래 조성물 |
US10011575B2 (en) | 2016-07-25 | 2018-07-03 | Oriental Union Chemical Corp. | Method for fabricating titanium-containing silicon oxide material and application of the same |
KR102250160B1 (ko) * | 2018-11-15 | 2021-05-10 | 경기대학교 산학협력단 | 텅스텐/티타니아 기반 복합산화물 담체 및 그 제조방법, 상기 담체를 이용한 탈질촉매 및 그 제조방법 |
Citations (3)
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US4717708A (en) * | 1983-12-27 | 1988-01-05 | Stauffer Chemical Company | Inorganic oxide aerogels and their preparation |
JPH10291986A (ja) * | 1997-04-18 | 1998-11-04 | Mitsubishi Gas Chem Co Inc | オレフィン系炭化水素及びそのハロゲン化物のエポキシ化方法 |
JPH11140068A (ja) * | 1997-11-07 | 1999-05-25 | Sumitomo Chem Co Ltd | プロピレンオキサイドの製造方法 |
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US4367342A (en) | 1969-04-02 | 1983-01-04 | Shell Oil Company | Olefin epoxidation |
US5081267A (en) | 1989-10-05 | 1992-01-14 | Arco Chemical Technology, Inc. | Epoxidation process |
US5262550A (en) * | 1992-04-30 | 1993-11-16 | Arco Chemical Technology, L.P. | Epoxidation process using titanium-rich silicalite catalysts |
DE69503142T2 (de) | 1994-09-22 | 1998-11-05 | Hoffmann La Roche | Heterogenen katalysatoren |
US5578217A (en) * | 1994-11-30 | 1996-11-26 | Alliedsignal Inc. | Use a solvent impregnated crosslinked matrix for metal recovery |
US5674642A (en) * | 1995-06-02 | 1997-10-07 | Regents Of The University Of Minnesota | High capacity high rate materials |
US6251851B1 (en) * | 1998-05-07 | 2001-06-26 | E. I. Du Pont De Nemours And Company | Process for the selective oxidation of organic compounds |
SG73663A1 (en) | 1998-08-04 | 2000-06-20 | Sumitomo Chemical Co | A process for producing propylene oxide |
WO2000012208A1 (en) * | 1998-08-31 | 2000-03-09 | E.I. Du Pont De Nemours And Company | High surface area sol-gel route prepared oxidation catalysts |
DE19860361A1 (de) * | 1998-12-24 | 2000-06-29 | Espe Dental Ag | Vernetzbare Monomere auf Cyclosiloxanbasis, deren Herstellung und deren Verwendung in polymerisierbaren Massen |
JP2001031662A (ja) | 1999-07-14 | 2001-02-06 | Sumitomo Chem Co Ltd | プロピレンオキサイドの製造方法 |
US6423770B1 (en) * | 1999-07-15 | 2002-07-23 | Lucent Technologies Inc. | Silicate material and process for fabricating silicate material |
JP4399913B2 (ja) | 1999-08-25 | 2010-01-20 | 住友化学株式会社 | オキシラン化合物の製造方法 |
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1999
- 1999-11-09 JP JP31811299A patent/JP4325045B2/ja not_active Expired - Fee Related
-
2000
- 2000-11-02 ES ES00971783T patent/ES2267576T3/es not_active Expired - Lifetime
- 2000-11-02 KR KR1020027005883A patent/KR20020047340A/ko active IP Right Grant
- 2000-11-02 WO PCT/JP2000/007767 patent/WO2001034299A1/ja active IP Right Grant
- 2000-11-02 AU AU10560/01A patent/AU1056001A/en not_active Abandoned
- 2000-11-02 CN CNB008152047A patent/CN1138767C/zh not_active Expired - Fee Related
- 2000-11-02 US US10/129,533 patent/US6881697B1/en not_active Expired - Fee Related
- 2000-11-02 EP EP00971783A patent/EP1262233B1/en not_active Expired - Lifetime
Patent Citations (3)
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US4717708A (en) * | 1983-12-27 | 1988-01-05 | Stauffer Chemical Company | Inorganic oxide aerogels and their preparation |
JPH10291986A (ja) * | 1997-04-18 | 1998-11-04 | Mitsubishi Gas Chem Co Inc | オレフィン系炭化水素及びそのハロゲン化物のエポキシ化方法 |
JPH11140068A (ja) * | 1997-11-07 | 1999-05-25 | Sumitomo Chem Co Ltd | プロピレンオキサイドの製造方法 |
Non-Patent Citations (1)
Title |
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See also references of EP1262233A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1262233B1 (en) | 2006-07-19 |
AU1056001A (en) | 2001-06-06 |
US6881697B1 (en) | 2005-04-19 |
CN1138767C (zh) | 2004-02-18 |
KR20020047340A (ko) | 2002-06-21 |
JP2001129411A (ja) | 2001-05-15 |
ES2267576T3 (es) | 2007-03-16 |
JP4325045B2 (ja) | 2009-09-02 |
EP1262233A1 (en) | 2002-12-04 |
EP1262233A4 (en) | 2004-02-04 |
CN1387462A (zh) | 2002-12-25 |
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