DE69617495D1 - Thoriumdioxide Katalysator - Google Patents
Thoriumdioxide KatalysatorInfo
- Publication number
- DE69617495D1 DE69617495D1 DE69617495T DE69617495T DE69617495D1 DE 69617495 D1 DE69617495 D1 DE 69617495D1 DE 69617495 T DE69617495 T DE 69617495T DE 69617495 T DE69617495 T DE 69617495T DE 69617495 D1 DE69617495 D1 DE 69617495D1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- dioxide catalyst
- thorium dioxide
- thoria
- thorium
- 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.)
- Expired - Lifetime
Links
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/12—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of actinides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40104595A | 1995-03-08 | 1995-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE69617495D1 true DE69617495D1 (de) | 2002-01-17 |
Family
ID=23586041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69617495T Expired - Lifetime DE69617495D1 (de) | 1995-03-08 | 1996-03-06 | Thoriumdioxide Katalysator |
Country Status (5)
Country | Link |
---|---|
US (1) | US5925798A (de) |
EP (1) | EP0730905B1 (de) |
AT (1) | ATE209961T1 (de) |
CA (1) | CA2171263C (de) |
DE (1) | DE69617495D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103998408B (zh) * | 2011-12-20 | 2016-01-20 | 陶氏环球技术有限责任公司 | 用于醇脱水的方法 |
CN104364226A (zh) | 2012-05-31 | 2015-02-18 | 陶氏环球技术有限责任公司 | 芳基醇催化脱水成二芳基醚 |
CN104271544B (zh) | 2012-05-31 | 2017-12-26 | 陶氏环球技术有限责任公司 | 芳基醇催化脱水成二芳基醚 |
IN2015DN01726A (de) * | 2012-08-29 | 2015-05-29 | Mitsubishi Gas Chemical Co | |
WO2014035758A1 (en) * | 2012-08-30 | 2014-03-06 | Dow Global Technologies Llc | Catalysts and methods for alcohol dehydration |
CN104602807B (zh) | 2012-08-30 | 2017-12-26 | 陶氏环球技术有限责任公司 | 用于醇脱水的催化剂和方法 |
EP2943277A1 (de) | 2013-03-21 | 2015-11-18 | Dow Global Technologies LLC | Katalysatoren und verfahren zur dehydrierung von alkohol |
US9464017B2 (en) | 2013-03-27 | 2016-10-11 | Dow Global Technologies Llc | Process for preparing diaryl oxides by decarboxylation |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR828334A (fr) * | 1936-10-29 | 1938-05-16 | Heyden Chem Fab | Procédé de fabrication d'oxyde de thorium possédant des propriétés réactionnelles particulièrement bonnes, et de supports pour matières de contact, à partir de sels complexes d'oxalate de thorium |
US2436125A (en) * | 1944-08-30 | 1948-02-17 | Rohm & Haas | Silica-zirconia catalysts and method of preparation |
GB911246A (en) * | 1960-05-04 | 1962-11-21 | Ici Ltd | Improvements in and relating to hydration and dehydration processes and to catalyststherefor |
GB1003737A (en) * | 1963-09-23 | 1965-09-08 | Ici Ltd | Improvements in and relating to the manufacture of diaryl oxides from phenols |
FR1458437A (fr) * | 1965-09-01 | 1966-03-04 | Progil | Compositions thermostables utilisables comme fluides fonctionnels |
GB1236389A (en) * | 1967-11-22 | 1971-06-23 | Midland Yorkshire Tar Distille | Synthesis of ethers |
FR1603748A (en) * | 1968-09-17 | 1971-05-24 | Thorium oxide catalyst for selective de-hydration - of secondary alcohols to alpha | |
US3888777A (en) * | 1971-04-02 | 1975-06-10 | Dow Chemical Co | Heat transfer agents |
CA953094A (en) * | 1971-06-17 | 1974-08-20 | Larry L. Jackson | Heat transfer fluids |
US4008266A (en) * | 1973-10-18 | 1977-02-15 | Monsanto Company | Coupling of aromatic compounds in the presence of molecular oxygen, a mercuric oxyanion compound, and a group VIII metal or group VIII metal oxyanion compound |
US4085143A (en) * | 1975-06-05 | 1978-04-18 | Eastman Kodak Company | Manufacture of α,β-unsaturated acids and anhydrides |
US3989761A (en) * | 1975-08-08 | 1976-11-02 | Monsanto Company | Production of orthophenylphenols |
US4035428A (en) * | 1975-08-08 | 1977-07-12 | Monsanto Company | Process for production of orthophenylphenol |
US4008254A (en) * | 1975-08-08 | 1977-02-15 | Monsanto Company | Ceria catalyzed conversion of phenols to dibenzofurans in the presence of water vapor |
US4009185A (en) * | 1975-08-08 | 1977-02-22 | Monsanto Company | Conversion of diphenylethers to dibenzofurans using catalysts containing ceria |
US4013694A (en) * | 1975-08-08 | 1977-03-22 | Monsanto Company | Ceria catalyzea conversion of phenols to dibenzofurans |
US4000203A (en) * | 1975-08-08 | 1976-12-28 | Monsanto Company | Production of orthophenylphenols |
US4092364A (en) * | 1976-06-14 | 1978-05-30 | The Dow Chemical Company | Caustic hydrolysis of chlorobenzene to diphenyl oxide |
US4054533A (en) * | 1976-06-24 | 1977-10-18 | The Dow Chemical Company | Heat transfer fluids having low freeze points |
US4088698A (en) * | 1977-03-03 | 1978-05-09 | Monsanto Company | Production of thiophenols |
FR2447189A1 (fr) * | 1979-01-29 | 1980-08-22 | Oreal | Nouvelles compositions cosmetiques pour le traitement des cheveux et de la peau contenant en tant que composes actifs des alkylene-dithioethers |
US4491640A (en) * | 1980-12-09 | 1985-01-01 | Osaka Gas Company Limited | Catalyst for combustion at low temperatures and process for producing same |
JPS57209819A (en) * | 1981-06-19 | 1982-12-23 | Nissan Motor Co Ltd | Preparation of active alumina pellet supporting cerium uniformly |
US4490567A (en) * | 1982-04-08 | 1984-12-25 | Phillips Petroleum Company | Catalyst and process for dehydrating 2-alcohols |
FR2524879A1 (fr) * | 1982-04-09 | 1983-10-14 | Inst Francais Du Petrole | Procede de preparation d'ethers d'aryle portant des substituants differents sur les deux noyaux aromatiques |
US4465889A (en) * | 1982-07-02 | 1984-08-14 | Summit Gas Systems Pte. Ltd. | Catalytic conversion of methanol, dimethyl ether and mixtures thereof to a hydrocarbon product rich in iso-C4 compounds and new catalysts therefor |
US4532230A (en) * | 1983-06-21 | 1985-07-30 | The United States Of America As Represented By The United States Department Of Energy | High surface area ThO2 catalyst and method of preparing it |
US4898982A (en) * | 1987-11-16 | 1990-02-06 | Amoco Corporation | Preparation of diaryl ethers and diaryl sulfides |
US4891448A (en) * | 1987-11-23 | 1990-01-02 | The Dow Chemical Company | Alkylation of polycyclic aromatic compounds to alkylates enriched in the para-substituted isomers |
US4978811A (en) * | 1988-04-01 | 1990-12-18 | The Dow Chemical Company | Process for hydrolysis of ortho-aromatic di-aryl ethers |
US5288922A (en) * | 1992-07-16 | 1994-02-22 | The Dow Chemical Company | Process of preparing diaryl ethers over a dealuminated zeolite catalyst |
-
1996
- 1996-03-06 EP EP96870027A patent/EP0730905B1/de not_active Expired - Lifetime
- 1996-03-06 AT AT96870027T patent/ATE209961T1/de not_active IP Right Cessation
- 1996-03-06 DE DE69617495T patent/DE69617495D1/de not_active Expired - Lifetime
- 1996-03-07 CA CA002171263A patent/CA2171263C/en not_active Expired - Fee Related
-
1997
- 1997-10-21 US US08/955,314 patent/US5925798A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0730905A3 (de) | 1997-01-15 |
ATE209961T1 (de) | 2001-12-15 |
CA2171263A1 (en) | 1996-09-09 |
US5925798A (en) | 1999-07-20 |
EP0730905A2 (de) | 1996-09-11 |
CA2171263C (en) | 2005-06-14 |
EP0730905B1 (de) | 2001-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY131560A (en) | Absorbent paper and absorbent article provided therewith | |
FI931883A0 (fi) | Olefinpolymeriseringskatalyt, foerfarande foer dess framstaellning och dess anvaendning | |
ITMI912065A0 (it) | Complesso di stampini per la riproduzione a disegno di figure, lettere sagome e/o simili | |
DE69617495D1 (de) | Thoriumdioxide Katalysator | |
DE69224787T2 (de) | Frequenzsynthese unter Verwendung eines frequenzgesteuerten, mit einem PLL-Rückkopplungssignal modulierten Trägers | |
ES546473A0 (es) | Un aparato para la fabricacion continua de una cinta o bandauniformemente ahoyada de pelicula de plastico substancial- mente plana | |
FI951016A0 (fi) | Katalyytti ja klooridioksidin synteesimenetelmä ja menetelmä katalyytin valmistamiseksi klooridioksidin synteesimenetelmää varten | |
DE59610287D1 (de) | Photochromer Dentalwerkstoff | |
HUT62613A (en) | Process for producing solid catalyst for the (co)polymerization of ethylene | |
EP0366356A3 (de) | Laserprofilieren einer Linse | |
PL291131A1 (en) | Method of producing a catalyst precursor, method of producing a catalyst, method of hydrogenerating polimers and copolimers | |
USD369618S (en) | Musical template | |
EP0406211A3 (en) | Fucosidase inhibitors | |
NO911491L (no) | Hydrogenperoksydbleking av hoeyutbytte-papirmasse. | |
CS396790A3 (en) | Process and apparatus for modulating the excitation of a continuous, particularly oxygen-iodine laser | |
DE68910321T2 (de) | Herstellung eines fein perforierten materials. | |
DZ1574A1 (fr) | Procédé continu intégré de production de carbonatede diméthyle de de méthyl-t-butyl-éther. | |
FR2652344B1 (fr) | Procede pour la production de peroxyde d'hydrogene. | |
USD368758S (en) | Floating tether cord | |
USD268597S (en) | Drawing template | |
FR2656299B1 (fr) | Procede d'obtention d'un nouveau support de culture de champignons, dispositif pour sa mise en óoeuvre et support ainsi obtenu. | |
FR2661317B1 (fr) | Procede pour l'obtention d'un produit amylace, produit obtenu et applications. | |
IT1215723B (it) | A media porosita', supportato su processo per la produzione di un matrice silicea, a base di vanadio. catalizzatore ad elevata densita' e | |
EP0576834A3 (de) | Verfahren zur Herstellung von optisch-aktiven 1,2-Diol-Derivaten. | |
FR2698901B3 (fr) | Procédé de fabrication d'un dôme pour l'éclairement zénithal et le dôme obtenu. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |