FR2620437B1 - Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu - Google Patents
Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenuInfo
- Publication number
- FR2620437B1 FR2620437B1 FR8712669A FR8712669A FR2620437B1 FR 2620437 B1 FR2620437 B1 FR 2620437B1 FR 8712669 A FR8712669 A FR 8712669A FR 8712669 A FR8712669 A FR 8712669A FR 2620437 B1 FR2620437 B1 FR 2620437B1
- Authority
- FR
- France
- Prior art keywords
- colloidal dispersion
- earth compound
- rare earth
- product obtained
- aqueous media
- 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
- -1 RARE EARTH COMPOUND Chemical class 0.000 title abstract 3
- 238000001246 colloidal dispersion Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 229910052761 rare earth metal Inorganic materials 0.000 title abstract 3
- 239000012736 aqueous medium Substances 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
- B01J13/0008—Sols of inorganic materials in water
- B01J13/0013—Sols of inorganic materials in water from a precipitate
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/003—Compounds containing elements of Groups 3 or 13 of the Periodic Table without C-Metal linkages
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Colloid Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8712669A FR2620437B1 (fr) | 1987-09-14 | 1987-09-14 | Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu |
| AT88402292T ATE78798T1 (de) | 1987-09-14 | 1988-09-12 | Verfahren zur herstellung einer kolloidalen dispersion einer seltene erdenverbindung in einem waessrigen mittel und erhaltenes produkt. |
| EP88402292A EP0308311B1 (fr) | 1987-09-14 | 1988-09-12 | Procédé d'obtention d'une dispersion colloidale d'un composé de terre rare en milieu aqueux et produit obtenu |
| DE8888402292T DE3873233T2 (de) | 1987-09-14 | 1988-09-12 | Verfahren zur herstellung einer kolloidalen dispersion einer seltene erdenverbindung in einem waessrigen mittel und erhaltenes produkt. |
| ES88402292T ES2042786T3 (es) | 1987-09-14 | 1988-09-12 | Procedimiento de obtencion de una dispersion coloidal de un compuesto de tierra rara en medio acuoso y producto obtenido. |
| BR8804714A BR8804714A (pt) | 1987-09-14 | 1988-09-13 | Processo de preparacao de uma dispersao coloidal de um composto de terra rara e dispersao coloidal |
| AU22180/88A AU623087B2 (en) | 1987-09-14 | 1988-09-13 | Procedure for obtaining a colloidal dispersion of a compound of rare earth in an aqueous medium and product obtained |
| CA000577276A CA1303940C (fr) | 1987-09-14 | 1988-09-13 | Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu |
| JP63228911A JPH0761864B2 (ja) | 1987-09-14 | 1988-09-14 | 希土類元素化合物の水性コロイド分散体の製造方法及びその生成物 |
| GR920402218T GR3005887T3 (OSRAM) | 1987-09-14 | 1992-10-05 | |
| US08/055,772 US5716547A (en) | 1987-09-14 | 1993-05-03 | Stable colloidal dispersions of rare earth compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8712669A FR2620437B1 (fr) | 1987-09-14 | 1987-09-14 | Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2620437A1 FR2620437A1 (fr) | 1989-03-17 |
| FR2620437B1 true FR2620437B1 (fr) | 1990-11-30 |
Family
ID=9354847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8712669A Expired - Lifetime FR2620437B1 (fr) | 1987-09-14 | 1987-09-14 | Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5716547A (OSRAM) |
| EP (1) | EP0308311B1 (OSRAM) |
| JP (1) | JPH0761864B2 (OSRAM) |
| AT (1) | ATE78798T1 (OSRAM) |
| AU (1) | AU623087B2 (OSRAM) |
| BR (1) | BR8804714A (OSRAM) |
| CA (1) | CA1303940C (OSRAM) |
| DE (1) | DE3873233T2 (OSRAM) |
| ES (1) | ES2042786T3 (OSRAM) |
| FR (1) | FR2620437B1 (OSRAM) |
| GR (1) | GR3005887T3 (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2655972B1 (fr) * | 1989-12-15 | 1992-04-24 | Rhone Poulenc Chimie | Procede de preparation d'une dispersion collouidale d'un compose de cerium iv en milieu aqueux et dispersions obtenues. |
| FR2734560B1 (fr) * | 1995-05-24 | 1997-08-14 | Rhone Poulenc Chimie | Compose a base d'yttrium ou d'holmium redispersible sous forme d'un sol |
| FR2736042B1 (fr) * | 1995-06-30 | 1997-09-12 | Rhone Poulenc Chimie | Dispersion colloidale et composition redispersible sous forme d'une dispersion colloidale a base d'oxyde de cerium |
| FR2801299B1 (fr) * | 1999-11-23 | 2002-06-07 | Rhodia Terres Rares | Dispersion colloidale aqueuse a base d'au moins un compose d'un lanthanide et d'un complexant, procede de preparation et utilisation |
| FR2817771B1 (fr) * | 2000-12-08 | 2003-11-28 | Rhodia Terres Rares | Dispersion colloidale de phosphate de terre rare et procede de preparation |
| FR2817770B1 (fr) * | 2000-12-08 | 2003-11-28 | Rhodia Terres Rares | Dispersion colloidale aqueuse de phosphate de terre rare et procede de preparation |
| EP1401767A2 (en) | 2001-06-20 | 2004-03-31 | Nanophase Technologies Corporation | Non-aqueous dispersion of nanocrytalline metal oxides |
| US7229600B2 (en) * | 2003-01-31 | 2007-06-12 | Nanoproducts Corporation | Nanoparticles of rare earth oxides |
| WO2021171724A1 (ja) * | 2020-02-28 | 2021-09-02 | 株式会社村田製作所 | 金属複塩分散液、金属複塩分散液の製造方法、金属酸化物ナノ粒子分散液及び金属酸化物ナノ粒子分散液の製造方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3024199A (en) * | 1958-09-02 | 1962-03-06 | Du Pont | Stable aquasols of hydrous rare earth oxides and their preparation |
| US3082103A (en) * | 1959-11-12 | 1963-03-19 | Horizons Inc | Stable colloidal dispersions and method of preparing same |
| US3148151A (en) * | 1962-02-22 | 1964-09-08 | Grace W R & Co | Method of preparing rare earthactinide metal oxide sols |
| US3476691A (en) * | 1964-09-23 | 1969-11-04 | Atomic Energy Commission | Process for preparing an yttria aquasol |
| US4181532A (en) * | 1975-10-22 | 1980-01-01 | United Kingdom Atomic Energy Authority | Production of colloidal dispersions |
| JPS54500021A (OSRAM) * | 1977-11-01 | 1979-09-06 | ||
| US4356106A (en) * | 1980-05-09 | 1982-10-26 | United Kingdom Atomic Energy Authority | Cerium compounds |
| US4647401A (en) * | 1983-01-24 | 1987-03-03 | Rhone Poulenc Inc. | Process for preparing colloidal ceric oxide and complexes thereof with free organic acids |
| US4770671A (en) * | 1985-12-30 | 1988-09-13 | Minnesota Mining And Manufacturing Company | Abrasive grits formed of ceramic containing oxides of aluminum and yttrium, method of making and using the same and products made therewith |
| US4801399A (en) * | 1986-02-25 | 1989-01-31 | University Of Florida | Inorganic salts as peptizing agents in the preparation of metal oxide sol-gel compositions |
| JPS62209039A (ja) * | 1986-03-08 | 1987-09-14 | Taki Chem Co Ltd | 塩基性酢酸イツトリウム水溶液及びその製造方法 |
| FR2621576B1 (fr) * | 1987-10-09 | 1990-01-05 | Rhone Poulenc Chimie | Dispersion colloidale d'un compose de cerium iv en milieu aqueux et son procede de preparation |
| FR2640611A1 (fr) * | 1988-12-16 | 1990-06-22 | Rhone Poulenc Chimie | Oxyde de terre rare a nouvelles caracteristiques morphologiques et son procede d'obtention |
| FR2655972B1 (fr) * | 1989-12-15 | 1992-04-24 | Rhone Poulenc Chimie | Procede de preparation d'une dispersion collouidale d'un compose de cerium iv en milieu aqueux et dispersions obtenues. |
-
1987
- 1987-09-14 FR FR8712669A patent/FR2620437B1/fr not_active Expired - Lifetime
-
1988
- 1988-09-12 ES ES88402292T patent/ES2042786T3/es not_active Expired - Lifetime
- 1988-09-12 EP EP88402292A patent/EP0308311B1/fr not_active Expired - Lifetime
- 1988-09-12 DE DE8888402292T patent/DE3873233T2/de not_active Expired - Lifetime
- 1988-09-12 AT AT88402292T patent/ATE78798T1/de not_active IP Right Cessation
- 1988-09-13 BR BR8804714A patent/BR8804714A/pt not_active IP Right Cessation
- 1988-09-13 CA CA000577276A patent/CA1303940C/fr not_active Expired - Lifetime
- 1988-09-13 AU AU22180/88A patent/AU623087B2/en not_active Ceased
- 1988-09-14 JP JP63228911A patent/JPH0761864B2/ja not_active Expired - Fee Related
-
1992
- 1992-10-05 GR GR920402218T patent/GR3005887T3/el unknown
-
1993
- 1993-05-03 US US08/055,772 patent/US5716547A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3873233D1 (de) | 1992-09-03 |
| DE3873233T2 (de) | 1992-12-10 |
| BR8804714A (pt) | 1989-04-18 |
| EP0308311B1 (fr) | 1992-07-29 |
| JPH01294521A (ja) | 1989-11-28 |
| US5716547A (en) | 1998-02-10 |
| EP0308311A1 (fr) | 1989-03-22 |
| ES2042786T3 (es) | 1993-12-16 |
| GR3005887T3 (OSRAM) | 1993-06-07 |
| AU2218088A (en) | 1989-03-16 |
| JPH0761864B2 (ja) | 1995-07-05 |
| CA1303940C (fr) | 1992-06-23 |
| ATE78798T1 (de) | 1992-08-15 |
| AU623087B2 (en) | 1992-05-07 |
| FR2620437A1 (fr) | 1989-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| HUT56379A (en) | Process for producing a-norsteroid-3-carboxylic acid derivatives and compositions comprising such compounds | |
| FR2620437B1 (fr) | Procede d'obtention d'une dispersion colloidale d'un compose de terre rare en milieu aqueux et produit obtenu | |
| GB2258464B (en) | Preparation of titanium derivatives | |
| FR2583761B1 (fr) | Procede de preparation d'une dispersion colloidale d'un compose de cation metallique en milieu organique et les sols obtenus | |
| PH24199A (en) | Derivatives of quinoline carboxylic acid,pharmaceutical composition containing same and process of preparing same | |
| AU1894588A (en) | Stable detergent emulsions containing a polymeric emulsion stabilizer | |
| ATE204311T1 (de) | Melaminpolymetaphosphat und verfahren zu seiner herstellung | |
| FR2616769B1 (fr) | Procede d'obtention d'un oxyde de terre rare et produit obtenu | |
| UA26325C2 (uk) | Спосіб одержаhhя азотhофосфорhих продуктів та продукт, одержаhий таким способом | |
| ATE106363T1 (de) | Verfahren zur herstellung von wässrigen suspensionen von hydroxylapatit. | |
| FR2621576B1 (fr) | Dispersion colloidale d'un compose de cerium iv en milieu aqueux et son procede de preparation | |
| ATE47861T1 (de) | Verfahren zur herstellung von nphosphonomethylglycin. | |
| DE3270446D1 (en) | Diamides of substituted hydroxymalonic acids, process for their preparation and their use as pesticides | |
| DE69424447D1 (de) | Verfahren zur herstellung von aminoxyd tenside enthaltenden festen zusammensetzungen | |
| DE69300733D1 (de) | Verfahren zur Herstellung von 2,3,5(6) Trialkyl-Pyrazine. | |
| FR2581641B1 (fr) | Procede de preparation d'acides 6-alkoxy(inferieur)-1-naphtoiques et des esters correspondants et utilisation de ce procede pour la preparation d'acides 6-alkoxy(inferieur)-5-halo-1-naphtoiques et des esters correspondants | |
| WO1987002363A3 (en) | Process for the production of aliphatic phosphonic acids | |
| DE3668609D1 (de) | Verfahren zur herstellung von sauerstoff enthaltenden seltene erdenderivaten und erhaltene produkte. | |
| EP0197408A3 (en) | A method of preparing omega -lactams, in particular caprolactam | |
| DE69803244D1 (de) | Kontinuierliches Verfahren zur Herstellung von wässrigen Lösungen von Alkalisalzen von Arylessigsäuren | |
| SG47574A1 (en) | Method for the preparation of substituted and unsubstituted 2,3-pyridine and quinolinedicarboxylic acids | |
| PT87589A (pt) | Process for the preparation of paper sizing compositions and process for the obtention of a product of agglutinated paper | |
| ATE76874T1 (de) | Verfahren zur herstellung von ceftazidimepentahydrat. | |
| EP1526127A3 (en) | Process for production of S,S-ethylenediamine-N,N'-disuccinic acid iron alkali salt | |
| HUT38635A (en) | Process for preparing 2,9-dimethyl-4,7-diphenyl-1,10-phenantroline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |