BE815266A - Production d'oxydes de fer ferrimagnetiques aciculaires contenant du cobalt - Google Patents

Production d'oxydes de fer ferrimagnetiques aciculaires contenant du cobalt

Info

Publication number: BE815266A
Authority: BE; Belgium
Prior art keywords: production; iron oxides; containing cobalt; oxides containing; ferrimagnetic iron
Prior art date: 1973-05-22

Application number

BE144512A

Other languages

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.)

1973-05-22

Filing date

1974-05-20

Publication date

1974-11-20

1974-05-20 Application filed filed Critical

1974-11-20 Publication of BE815266A publication Critical patent/BE815266A/fr

Links

239000010941 cobalt Substances 0.000 title 1
229910017052 cobalt Inorganic materials 0.000 title 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title 1
230000005293 ferrimagnetic effect Effects 0.000 title 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title 1
235000013980 iron oxide Nutrition 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/22—Compounds of iron
- C09C1/24—Oxides of iron
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Compounds Of Iron (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Hard Magnetic Materials (AREA)

BE144512A 1973-05-22 1974-05-20 Production d'oxydes de fer ferrimagnetiques aciculaires contenant du cobalt BE815266A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732325925 DE2325925A1 (de)	1973-05-22	1973-05-22	Verfahren zur herstellung von nadelfoermigen kobalthaltigen ferrimagnetischen eisenoxiden

Publications (1)

Publication Number	Publication Date
BE815266A true BE815266A (fr)	1974-11-20

Family

ID=5881735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE144512A BE815266A (fr)	1973-05-22	1974-05-20	Production d'oxydes de fer ferrimagnetiques aciculaires contenant du cobalt

Country Status (7)

Country	Link
JP (1)	JPS5019699A (fr)
BE (1)	BE815266A (fr)
DE (1)	DE2325925A1 (fr)
FR (1)	FR2230590B1 (fr)
GB (1)	GB1458623A (fr)
IT (1)	IT1011466B (fr)
NL (1)	NL7406765A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2705967C2 (de) *	1977-02-12	1990-01-04	Basf Ag, 6700 Ludwigshafen	Verfahren zur Herstellung von nadelförmigem kobalthaltigem magnetischem Eisenoxid
DE2916403A1 (de)	1979-04-23	1980-11-06	Basf Ag	Nadelfoermiges magnetisches eisenoxid und verfahren zu seiner herstellung
JPS5819733A (ja) *	1981-07-28	1983-02-04	Toshiba Corp	磁気記録媒体及びその製造方法
SE441683B (sv)	1983-03-18	1985-10-28	Adcon Ab	Forfarande vid fergbehandling av textila material samt anvendning av en anordning for genomforande av forfarandet
DE3345532A1 (de) *	1983-12-16	1985-06-27	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung kobalthaltiger, isotroper magnetischer eisenoxide
DE3345531A1 (de) *	1983-12-16	1985-06-27	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung kobalthaltiger, isotroper magnetischer eisenoxide
DE3435698A1 (de) *	1984-09-28	1986-04-03	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von feinteiligem isotropen ferritpulver mit spinellstruktur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1592398A1 (de) *	1967-02-08	1970-12-17	Bayer Ag	Verwendung von hochkoerzitivem nadelfoermigem gamma-Fe2O3 zur Herstellung von Magnetogrammtraegern
DE2100390A1 (de) *	1970-03-11	1971-09-30	Ampex	Verfahren zur Herstellung von nadel förmigen, metallhaltigen gamma Eisen III Oxid Teilchen

1973
- 1973-05-22 DE DE19732325925 patent/DE2325925A1/de not_active Withdrawn
1974
- 1974-05-20 NL NL7406765A patent/NL7406765A/xx not_active Application Discontinuation
- 1974-05-20 IT IT5110474A patent/IT1011466B/it active
- 1974-05-20 JP JP49055681A patent/JPS5019699A/ja active Pending
- 1974-05-20 BE BE144512A patent/BE815266A/fr unknown
- 1974-05-21 GB GB2260274A patent/GB1458623A/en not_active Expired
- 1974-05-22 FR FR7417886A patent/FR2230590B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2230590A1 (fr)	1974-12-20
DE2325925A1 (de)	1974-12-12
JPS5019699A (fr)	1975-03-01
NL7406765A (fr)	1974-11-26
FR2230590B1 (fr)	1978-01-27
IT1011466B (it)	1977-01-20
GB1458623A (en)	1976-12-15

Similar Documents

Publication	Publication Date	Title
CA1019561A (en)	1977-10-25	Production of finely divided acicular magnetic iron oxides
IT974063B (it)	1974-06-20	Procedimento per produrre ossidi di ferro magnetici aciculari
ATA915972A (de)	1975-02-15	Verfahren zur herstellung feinstteiliger oxide
BE791661A (fr)	1973-05-21	Fabrication de composes d'essence contenant du methyl-2-methoxy-2-propane
BE822857A (fr)	1975-06-02	Production d'oxydes d'alkylene et catalyseurs utiles a cette fin
BE827835A (fr)	1975-10-13	Procede d'oxydation du cyclohexane
BE824480A (fr)	1975-07-17	Procede pour empecher l'emulsionnement de melanges de butyraldehydes et de cobalt
BE828998A (fr)	1975-09-01	Production d'articles metalliques
BE849414A (fr)	1977-06-15	Procede de preparation en continu d'oxyde-hydroxyde de fer feooh
CH541525A (fr)	1973-09-15	Procédé d'oxydation allylique
IT989547B (it)	1975-06-10	Procedimento per produrre ossido di ferro ferrimagnetico aciculare contenente cobalto
BE779370A (fr)	1972-08-16	Procede d'appretage permanent de matieres fibreuses
BE815266A (fr)	1974-11-20	Production d'oxydes de fer ferrimagnetiques aciculaires contenant du cobalt
BE798485A (fr)	1973-10-19	Production d'esters
BE786693A (fr)	1973-01-25	Production d'acides carboxyliques
SE416106B (sv)	1980-12-01	Harfergningskomposition innehallande svavel och en reaktionsprodukt av vismutcitrat och trietanolamin
FR2273800A1 (fr)	1976-01-02	Oxydation ammoniacale catalytique d'olefines en nitriles
IL48118A (en)	1978-07-31	Polymerzizates of olefinic nitriles and their production
JPS5248683A (en)	1977-04-18	Production of 7 betaaaminoo 33cephemmcarbonylmethyll44 carboxylic acid compound and corresponding 33 carbonylmethyleneecepham compound and pharmaceutical composi1tion
BE786202A (fr)	1972-11-03	Production de particules d'oxyde enrobees
BE821841A (fr)	1975-03-03	Compositions et procede d'electodeposition d'alliages de nickelet de cobalt avec du fer
JPS5649390A (en)	1981-05-02	Manufacture of 1 oxide of 33cephem compound
BE781987A (fr)	1972-10-12	Production de monohydrate de sulfate de fer tres
CA995874A (en)	1976-08-31	Magnetic iron oxides and production thereof
JPS51125079A (en)	1976-11-01	Production of basic substituted 22carbalkoxyaminoo benzimidazolyll516* phenylether and ketone