ES2077235T3 - Uso in situ de gelatina para la preparacion de particulas uniformes de ferrita. - Google Patents
Uso in situ de gelatina para la preparacion de particulas uniformes de ferrita.Info
- Publication number
- ES2077235T3 ES2077235T3 ES91912637T ES91912637T ES2077235T3 ES 2077235 T3 ES2077235 T3 ES 2077235T3 ES 91912637 T ES91912637 T ES 91912637T ES 91912637 T ES91912637 T ES 91912637T ES 2077235 T3 ES2077235 T3 ES 2077235T3
- Authority
- ES
- Spain
- Prior art keywords
- preparation
- gelatin
- ferrite
- uniform particles
- site use
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/01—Pretreatment specially adapted for magnetic separation by addition of magnetic adjuvants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/061—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder with a protective layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/445—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a compound, e.g. Fe3O4
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Landscapes
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Glanulating (AREA)
- Soft Magnetic Materials (AREA)
Abstract
SE DESCRIBE UN METODO PARA LA PREPARACION DE PARTICULAS COLOIDALES UNIFORMES DE FERRITAS, QUE CONTIENEN MANGANESO(II), ZINC(II), HIERRO(II), BARIO(II), COBALTO (II) O NIQUEL(II), A UN TEMPERATURA RELATIVAMENTE BAJA EN PRESENCIA DE UNA SOLUCION DE GELATINA QUE ACTUA COMO UN VEHICULO DE SOPORTE PARA LA NUCLEACION Y CRECIMIENTO DE PARTICULAS COLOIDALES DE OXIDO DE METAL Y DISPERSION COMO PARTICULAS INDIVIDUALES SEPARADAS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/532,434 US5062991A (en) | 1990-06-04 | 1990-06-04 | In situ use of gelatin in the preparation of uniform ferrite particles |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2077235T3 true ES2077235T3 (es) | 1995-11-16 |
Family
ID=24121790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91912637T Expired - Lifetime ES2077235T3 (es) | 1990-06-04 | 1991-05-31 | Uso in situ de gelatina para la preparacion de particulas uniformes de ferrita. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5062991A (es) |
EP (1) | EP0532684B1 (es) |
JP (1) | JPH05509203A (es) |
AT (1) | ATE126384T1 (es) |
AU (1) | AU654285B2 (es) |
CA (1) | CA2084414C (es) |
DE (1) | DE69112057T2 (es) |
ES (1) | ES2077235T3 (es) |
WO (1) | WO1991019301A1 (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5240640A (en) * | 1990-06-04 | 1993-08-31 | Coulter Corporation | In situ use of gelatin or an aminodextran in the preparation of uniform ferrite particles |
JPH04122452A (ja) * | 1990-09-11 | 1992-04-22 | Hidefumi Hirai | 金属粒子及び/又は金属化合物粒子担持物、及びその製造方法 |
US5169754A (en) * | 1990-10-31 | 1992-12-08 | Coulter Corporation | Biodegradable particle coatings having a protein covalently immobilized by means of a crosslinking agent and processes for making same |
US5466609A (en) * | 1990-10-31 | 1995-11-14 | Coulter Corporation | Biodegradable gelatin-aminodextran particle coatings of and processes for making same |
US5248772A (en) * | 1992-01-29 | 1993-09-28 | Coulter Corporation | Formation of colloidal metal dispersions using aminodextrans as reductants and protective agents |
EP0665955B1 (en) * | 1992-10-15 | 2002-05-29 | Coulter International Corporation | Particles having gelatin-aminodextran coatings of and processes for making same |
US5655546A (en) * | 1995-06-07 | 1997-08-12 | Halpern; Alan A. | Method for cartilage repair |
US6815063B1 (en) | 1996-11-16 | 2004-11-09 | Nanomagnetics, Ltd. | Magnetic fluid |
GB2319253A (en) | 1996-11-16 | 1998-05-20 | Eric Leigh Mayes | Composition, for use in a device, comprising a magnetic layer of domain-separated magnetic particles |
US6713173B2 (en) | 1996-11-16 | 2004-03-30 | Nanomagnetics Limited | Magnetizable device |
US20060003163A1 (en) * | 1996-11-16 | 2006-01-05 | Nanomagnetics Limited | Magnetic fluid |
US6986942B1 (en) | 1996-11-16 | 2006-01-17 | Nanomagnetics Limited | Microwave absorbing structure |
ATE243882T1 (de) * | 1998-05-26 | 2003-07-15 | Univ Bar Ilan | Keimbildung und wachstum von metalloxid- nanopartikeln und verwendung |
WO2003005029A2 (en) * | 2001-07-03 | 2003-01-16 | Governors Of The University Of Alberta | Magnetic nanoparticles for bioseparation application and methods for producing same |
JP4621911B2 (ja) * | 2005-02-10 | 2011-02-02 | 国立大学法人東京工業大学 | マグネタイト微粒子の製造方法 |
JP6434866B2 (ja) * | 2015-06-30 | 2018-12-05 | 富士フイルム株式会社 | 六方晶フェライト粉末の製造方法および磁気記録媒体の製造方法 |
JP6806324B2 (ja) * | 2016-06-16 | 2021-01-06 | 新光電気工業株式会社 | 亜鉛フェライト膜の製造方法及び亜鉛フェライト膜 |
KR101948629B1 (ko) | 2017-08-17 | 2019-02-15 | 주식회사 이엠따블유 | 입자 형태가 제어된 자기 아연산염 페라이트 분말의 제조방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4920061A (en) * | 1984-03-02 | 1990-04-24 | The University Of Texas System | Biological magnetic colloids |
DE3479535D1 (en) * | 1984-10-03 | 1989-09-28 | Fujirebio Kk | Artificial support material for immobilisation of biological protein and process for producing the same |
AU1222988A (en) * | 1987-01-16 | 1988-08-10 | Clarkson University | Process for preparation of monodispersed barium containing ferrites |
US4965007A (en) * | 1988-05-10 | 1990-10-23 | Eastman Kodak Company | Encapsulated superparamagnetic particles |
-
1990
- 1990-06-04 US US07/532,434 patent/US5062991A/en not_active Expired - Lifetime
-
1991
- 1991-05-31 AT AT91912637T patent/ATE126384T1/de not_active IP Right Cessation
- 1991-05-31 DE DE69112057T patent/DE69112057T2/de not_active Expired - Fee Related
- 1991-05-31 JP JP3513035A patent/JPH05509203A/ja active Pending
- 1991-05-31 ES ES91912637T patent/ES2077235T3/es not_active Expired - Lifetime
- 1991-05-31 AU AU81837/91A patent/AU654285B2/en not_active Ceased
- 1991-05-31 CA CA002084414A patent/CA2084414C/en not_active Expired - Fee Related
- 1991-05-31 WO PCT/US1991/003866 patent/WO1991019301A1/en active IP Right Grant
- 1991-05-31 EP EP91912637A patent/EP0532684B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0532684A4 (en) | 1993-08-18 |
US5062991A (en) | 1991-11-05 |
AU8183791A (en) | 1991-12-31 |
ATE126384T1 (de) | 1995-08-15 |
DE69112057D1 (de) | 1995-09-14 |
JPH05509203A (ja) | 1993-12-16 |
EP0532684A1 (en) | 1993-03-24 |
WO1991019301A1 (en) | 1991-12-12 |
CA2084414C (en) | 1994-01-04 |
AU654285B2 (en) | 1994-11-03 |
EP0532684B1 (en) | 1995-08-09 |
CA2084414A1 (en) | 1991-12-05 |
DE69112057T2 (de) | 1996-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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