SE7505137L - Kobolmodifierad acikuler gamms-ferroxid. - Google Patents

Kobolmodifierad acikuler gamms-ferroxid.

Info

Publication number: SE7505137L
Authority: SE; Sweden
Prior art keywords: aciculate; ferroxide; gammer; cobol; modified
Prior art date: 1974-05-06

Application number

SE7505137A

Other languages

English (en)

Inventor

L M Bennetch

Original Assignee

Pfizer

Priority date (The priority date 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 date listed.)

1974-05-06

Filing date

1975-05-02

Publication date

1975-11-07

1975-05-02 Application filed by Pfizer filed Critical Pfizer

1975-11-07 Publication of SE7505137L publication Critical patent/SE7505137L/sv

Links

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
- G11B5/70652—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 gamma - Fe2 O3
- G11B5/70668—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 gamma - Fe2 O3 containing a dopant
- G11B5/70673—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 gamma - Fe2 O3 containing a dopant containing Co
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C01P2002/54—Solid solutions containing elements as dopants one element only
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Hard Magnetic Materials (AREA)
Compounds Of Iron (AREA)
Paints Or Removers (AREA)

SE7505137A 1974-05-06 1975-05-02 Kobolmodifierad acikuler gamms-ferroxid. SE7505137L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US46745974A	1974-05-06	1974-05-06

Publications (1)

Publication Number	Publication Date
SE7505137L true SE7505137L (sv)	1975-11-07

Family

ID=23855785

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7505137A SE7505137L (sv)	1974-05-06	1975-05-02	Kobolmodifierad acikuler gamms-ferroxid.

Country Status (6)

Country	Link
JP (1)	JPS537320B2 (sv)
CH (1)	CH605414A5 (sv)
DE (1)	DE2520379C3 (sv)
GB (1)	GB1482157A (sv)
NL (1)	NL166244C (sv)
SE (1)	SE7505137L (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5942441B2 (ja) *	1974-08-08	1984-10-15	富士写真フイルム株式会社	磁性酸化鉄の製法
JPS5850005B2 (ja) *	1974-08-20	1983-11-08	日立マクセル株式会社	ジキキロクヨウジセイフンマツノセイゾウホウ
DE2556406A1 (de) *	1975-12-15	1977-06-16	Bayer Ag	Verfahren zur kontinuierlichen herstellung von eisenoxidhydroxid
DE2705967C2 (de) *	1977-02-12	1990-01-04	Basf Ag, 6700 Ludwigshafen	Verfahren zur Herstellung von nadelförmigem kobalthaltigem magnetischem Eisenoxid
DE2801395C2 (de) *	1978-01-13	1982-04-22	Bayer Ag, 5090 Leverkusen	Thermisch stabilisiertes ferrimagnetisches Eisenoxid
JPS5852806A (ja) *	1981-09-24	1983-03-29	Hitachi Maxell Ltd	磁気記録媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1226997B (de) *	1959-06-12	1966-10-20	Bayer Ag	Verfahren zur Herstellung von nadelfoermigem, cobalthaltigem gamma-Eisen(III)-oxid
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
JPS4854497A (sv) *	1971-11-10	1973-07-31

1974
- 1974-10-08 GB GB43625/74A patent/GB1482157A/en not_active Expired
1975
- 1975-05-01 NL NL7505145.A patent/NL166244C/xx not_active IP Right Cessation
- 1975-05-02 SE SE7505137A patent/SE7505137L/sv unknown
- 1975-05-05 DE DE2520379A patent/DE2520379C3/de not_active Expired
- 1975-05-06 JP JP5419275A patent/JPS537320B2/ja not_active Expired
- 1975-05-06 CH CH584275A patent/CH605414A5/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS537320B2 (sv)	1978-03-16
DE2520379A1 (de)	1975-11-13
DE2520379C3 (de)	1981-11-19
JPS50154198A (sv)	1975-12-11
GB1482157A (en)	1977-08-10
NL7505145A (nl)	1975-11-10
NL166244C (nl)	1981-07-15
CH605414A5 (sv)	1978-09-29
NL166244B (nl)	1981-02-16
DE2520379B2 (de)	1980-09-25

Publication	Publication Date	Title
DK135492B (da)	1977-05-09	Lastpalle.
NL162161B (nl)	1979-11-15	Heiblok.
SE7505137L (sv)	1975-11-07	Kobolmodifierad acikuler gamms-ferroxid.
NL158997B (nl)	1979-01-15	Veestal.
NL7404732A (nl)	1975-10-10	Spasmolytice.
DK137669B (da)	1978-04-17	Piberiver.
BE809593A (fr)	1974-05-02	Groupe-moteur-autopropulseur.
BE814204A (nl)	1974-08-16	Werkkledij.
ES200030Y (es)	1976-01-01	Captafaros.
NL164510C (nl)	1981-01-15	Boekband.
ES203881Y (es)	1976-05-01	Muneco mecanico.
DK136503B (da)	1977-10-17	Termokopieringsmaskine.
ES200681Y (es)	1976-01-16	Salvamantel botellero.
ES207841Y (es)	1976-09-01	Minitricotosa.
ES201882Y (es)	1976-02-16	Pincha-huevos.
ES201915Y (es)	1976-02-16	Colgadero-expositor.
ES200026Y (es)	1976-01-01	Contenedor-eslinga.
ES201057Y (es)	1976-01-16	Mueble-bar.
ES201878Y (es)	1976-02-16	Camiseta-faja.
ES201089Y (es)	1976-01-16	Cuadro-perchero.
ES201399Y (es)	1976-02-01	Taburete-escalera.
ES200575Y (es)	1976-01-16	Interruptor-piloto.
ES201472Y (es)	1976-02-01	Maneta.
ES201520Y (es)	1976-02-01	Calendario-escribania.
ES201922Y (es)	1976-02-16	Zapatilla-calcetin.