SE7907808L - Forbettrad, koboltmodifierad magnetisk jernoxid - Google Patents
Forbettrad, koboltmodifierad magnetisk jernoxidInfo
- Publication number
- SE7907808L SE7907808L SE7907808A SE7907808A SE7907808L SE 7907808 L SE7907808 L SE 7907808L SE 7907808 A SE7907808 A SE 7907808A SE 7907808 A SE7907808 A SE 7907808A SE 7907808 L SE7907808 L SE 7907808L
- Authority
- SE
- Sweden
- Prior art keywords
- weight
- iron oxide
- magnetic
- total product
- magnetic iron
- Prior art date
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title abstract 4
- 239000000696 magnetic material Substances 0.000 abstract 3
- 239000010941 cobalt Substances 0.000 abstract 2
- 229910017052 cobalt Inorganic materials 0.000 abstract 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- YDFHVOKEEMMIBE-RDJQXTLESA-N M-factor Chemical compound C([C@@H](C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CSC\C=C(/C)CC\C=C(/C)CCC=C(C)C)C(=O)OC)NC(=O)[C@H]1N(CCC1)C(=O)[C@@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H]1N(CCC1)C(=O)[C@@H](NC(=O)[C@@H](N)CC=1C=CC(O)=CC=1)[C@@H](C)O)C(C)C)C1=CC=C(O)C=C1 YDFHVOKEEMMIBE-RDJQXTLESA-N 0.000 abstract 1
- 101710204204 M-factor Proteins 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
- G11B5/70684—Ferro-ferrioxydes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
- G11B5/70684—Ferro-ferrioxydes
- G11B5/70694—Non-stoechiometric ferro-ferrioxydes, e.g. berthollide
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95449878A | 1978-10-25 | 1978-10-25 | |
| US06/054,393 US4276183A (en) | 1978-10-25 | 1979-07-02 | Cobalt modified magnetic iron oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7907808L true SE7907808L (sv) | 1980-04-26 |
| SE443896B SE443896B (sv) | 1986-03-10 |
Family
ID=26732980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7907808A SE443896B (sv) | 1978-10-25 | 1979-09-20 | Partikelformigt magnetiskt material av jernoxid modifierat med kobolt och eventuellt krom |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4276183A (sv) |
| AU (1) | AU512990B2 (sv) |
| BR (1) | BR7906871A (sv) |
| CA (1) | CA1132790A (sv) |
| DD (1) | DD150271A5 (sv) |
| DE (1) | DE2943017A1 (sv) |
| FR (1) | FR2440054A1 (sv) |
| GB (1) | GB2033886B (sv) |
| IT (1) | IT1125591B (sv) |
| NL (1) | NL180790C (sv) |
| PL (1) | PL125472B1 (sv) |
| SE (1) | SE443896B (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57158015A (en) * | 1981-03-26 | 1982-09-29 | Tdk Corp | Magnetic recording medium |
| JPS5979431A (ja) * | 1982-10-29 | 1984-05-08 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
| JPS6120302A (ja) * | 1984-07-06 | 1986-01-29 | Hitachi Maxell Ltd | 強磁性粉末とその製造方法 |
| US4770951A (en) * | 1985-08-16 | 1988-09-13 | Graham Magnetics, Inc. | Magnetic flexible disks |
| US5219554A (en) | 1986-07-03 | 1993-06-15 | Advanced Magnetics, Inc. | Hydrated biodegradable superparamagnetic metal oxides |
| US5069216A (en) * | 1986-07-03 | 1991-12-03 | Advanced Magnetics Inc. | Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract |
| EP0377933B1 (en) * | 1988-12-29 | 1995-07-19 | Toda Kogyo Corp. | Magnetic iron oxide particles and method of producing the same |
| EP2530125A1 (en) | 2011-05-30 | 2012-12-05 | Total SA | Core-shell particles with catalytic activity |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3725126A (en) * | 1968-02-19 | 1973-04-03 | Minnesota Mining & Mfg | Magnetic recording tape |
| US3573980A (en) * | 1968-02-19 | 1971-04-06 | Minnesota Mining & Mfg | Method of making magnetic particles and recording tape |
| JPS4810994B1 (sv) * | 1969-07-26 | 1973-04-09 | ||
| BE790376A (fr) * | 1971-10-27 | 1973-02-15 | Ampex | Particules d'oxyde de fer magnétique dopé au cobalt |
| DE2243231C2 (de) * | 1972-09-01 | 1982-01-28 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Cobalt-dotiertem γ-Eisen(III)oxid |
| US4064292A (en) * | 1972-09-01 | 1977-12-20 | Badische Anilin- & Soda-Fabrik, Aktiengesellschaft | Manufacture of cobalt-modified γ-iron(III)oxides |
| JPS5941289B2 (ja) * | 1974-03-12 | 1984-10-05 | 富士写真フイルム株式会社 | 磁性酸化鉄の製造方法 |
| DE2520643C2 (de) * | 1975-05-09 | 1983-11-17 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von γ-Eisen(III)oxid |
| JPS5928965B2 (ja) * | 1975-12-18 | 1984-07-17 | 日立マクセル株式会社 | ジキキロクヨウキヨウシセセイフンマツ |
| DE2650890C2 (de) * | 1976-11-06 | 1985-12-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von nadelförmigem, kobaltdotiertem, magnetischem Eisenoxid |
-
1979
- 1979-07-02 US US06/054,393 patent/US4276183A/en not_active Expired - Lifetime
- 1979-09-20 SE SE7907808A patent/SE443896B/sv not_active IP Right Cessation
- 1979-09-24 CA CA336,243A patent/CA1132790A/en not_active Expired
- 1979-10-19 GB GB7936434A patent/GB2033886B/en not_active Expired
- 1979-10-22 DD DD79216363A patent/DD150271A5/de not_active IP Right Cessation
- 1979-10-24 BR BR7906871A patent/BR7906871A/pt unknown
- 1979-10-24 FR FR7926418A patent/FR2440054A1/fr active Granted
- 1979-10-24 AU AU52147/79A patent/AU512990B2/en not_active Ceased
- 1979-10-24 DE DE19792943017 patent/DE2943017A1/de not_active Withdrawn
- 1979-10-24 IT IT2676479A patent/IT1125591B/it active
- 1979-10-24 NL NL7907813A patent/NL180790C/xx not_active IP Right Cessation
- 1979-10-25 PL PL1979219203A patent/PL125472B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL180790B (nl) | 1986-11-17 |
| GB2033886A (en) | 1980-05-29 |
| CA1132790A (en) | 1982-10-05 |
| US4276183A (en) | 1981-06-30 |
| DE2943017A1 (de) | 1980-05-08 |
| AU512990B2 (en) | 1980-11-06 |
| PL219203A1 (sv) | 1980-08-11 |
| BR7906871A (pt) | 1980-07-15 |
| NL180790C (nl) | 1987-04-16 |
| AU5214779A (en) | 1980-05-22 |
| FR2440054A1 (fr) | 1980-05-23 |
| FR2440054B1 (sv) | 1985-03-22 |
| DD150271A5 (de) | 1981-08-19 |
| IT7926764A0 (it) | 1979-10-24 |
| GB2033886B (en) | 1983-03-02 |
| IT1125591B (it) | 1986-05-14 |
| SE443896B (sv) | 1986-03-10 |
| NL7907813A (nl) | 1980-04-29 |
| PL125472B1 (en) | 1983-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7907808-5 Effective date: 19910409 Format of ref document f/p: F |