GB1538040A – Hydrothermal process for producing dense iron oxide pigments
– Google Patents
GB1538040A – Hydrothermal process for producing dense iron oxide pigments
– Google Patents
Hydrothermal process for producing dense iron oxide pigments
Info
Publication number
GB1538040A
GB1538040A
GB30869/77A
GB3086977A
GB1538040A
GB 1538040 A
GB1538040 A
GB 1538040A
GB 30869/77 A
GB30869/77 A
GB 30869/77A
GB 3086977 A
GB3086977 A
GB 3086977A
GB 1538040 A
GB1538040 A
GB 1538040A
Authority
GB
United Kingdom
Prior art keywords
iron oxide
oxide pigments
hydrothermal process
producing dense
dense iron
Prior art date
1976-07-27
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
Application number
GB30869/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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.)
1976-07-27
Filing date
1977-07-22
Publication date
1979-01-10
1977-07-22
Application filed by Bayer AG
filed
Critical
Bayer AG
1979-01-10
Publication of GB1538040A
publication
Critical
patent/GB1538040A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G11B5/70647—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 with a skin
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
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
C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
C01P2002/00—Crystal-structural characteristics
C01P2002/30—Three-dimensional structures
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
GB30869/77A
1976-07-27
1977-07-22
Hydrothermal process for producing dense iron oxide pigments
Expired
GB1538040A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2633597A
DE2633597C2
(en)
1976-07-27
1976-07-27
Process for the production of acicular to prism-shaped ferrimagnetic iron oxide pigments for magnetic signal recording
Publications (1)
Publication Number
Publication Date
GB1538040A
true
GB1538040A
(en)
1979-01-10
Family
ID=5983991
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB30869/77A
Expired
GB1538040A
(en)
1976-07-27
1977-07-22
Hydrothermal process for producing dense iron oxide pigments
Country Status (8)
Country
Link
US
(1)
US4140539A
(en)
JP
(1)
JPS5314736A
(en)
BE
(1)
BE857184A
(en)
DE
(1)
DE2633597C2
(en)
FR
(1)
FR2359884A1
(en)
GB
(1)
GB1538040A
(en)
IT
(1)
IT1143591B
(en)
NL
(1)
NL183993C
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN110228824A
(en)
*
2018-11-26
2019-09-13
合肥学院
A kind of preparation method of magnetic ferric oxide nano material
Families Citing this family (15)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2904491A1
(en)
*
1979-02-07
1980-08-21
Bayer Ag
PLATE-SHAPED IRON OXIDE PIGMENTS AND METHOD FOR THE PRODUCTION AND USE THEREOF
NL7901438A
(en)
*
1979-02-23
1980-08-26
Philips Nv
PROCESS FOR PREPARING A FEOOH PIGMENT.
DE2909480A1
(en)
*
1979-03-10
1980-09-11
Bayer Ag
FERROMAGNETIC METAL PIGMENT MADE OF IRON AND METHOD FOR THE PRODUCTION THEREOF
JPS5917050B2
(en)
*
1979-05-30
1984-04-19
チタン工業株式会社
Method for improving heat resistance of yellow iron oxide pigment
JPS55158131A
(en)
*
1979-05-30
1980-12-09
Titan Kogyo Kk
Heat-resistant yellow iron oxide pigment and its manufacture
US4291010A
(en)
*
1979-09-05
1981-09-22
Titan Kogyo Kabushiki Kaisha
Heat stable yellow iron oxides
DE3001438C2
(en)
*
1980-01-16
1984-05-17
Shiseido Co. Ltd., Tokyo
Cosmetic agent
US4514216A
(en)
*
1983-04-30
1985-04-30
Toda Kogyo Corp.
Acicular ferromagnetic alloy particles for magnetic recording and process for producing the same
DE3432224A1
(en)
*
1984-09-01
1986-03-13
Bayer Ag, 5090 Leverkusen
HIGHLY COCITIVE ISOMETRIC IRON OXIDES, METHOD FOR THE PRODUCTION AND USE THEREOF
DE3819626A1
(en)
*
1988-06-09
1989-12-14
Bayer Ag
THERMOSTABLE ZINC FERRITE COLORED PIGMENT, METHOD FOR THE PRODUCTION AND USE THEREOF
EP0371384B1
(en)
*
1988-12-01
1995-06-21
Ishihara Sangyo Kaisha, Ltd.
Process for producing magnetic iron oxide particles for magnetic recording
DE4342331A1
(en)
*
1993-12-11
1995-06-14
Krueger Gmbh & Co Kg
Pigment granules for coloring building materials
US6416682B1
(en)
*
1999-11-04
2002-07-09
Ceramic Oxides International B.V.
Method of producing minerals under near-critical, critical and supercritical conditions
JP5353004B2
(en)
*
2007-01-05
2013-11-27
国立大学法人東京工業大学
Method for producing spherical ferrite nanoparticles
US20150306246A1
(en)
*
2012-12-07
2015-10-29
The Trustees Of Dartmouth College
Magnetic nanoparticles, composites, suspensions and colloids with high specific absorption rate (sar)
Family Cites Families (11)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2694656A
(en)
*
1947-07-25
1954-11-16
Armour Res Found
Magnetic impulse record member, magnetic material, and method of making magnetic material
US3240621A
(en)
*
1960-11-14
1966-03-15
Dictaphone Corp
High viscosity dispersions of magnetic pigments
US3557266A
(en)
*
1967-02-09
1971-01-19
Matsushita Electric Ind Co Ltd
Method of eliminating the porosity and controlling the grain size of a ferrite body by a two stage hot pressing treatment
DE1694167C3
(en)
*
1967-07-13
1975-04-24
Bayer Ag, 5090 Leverkusen
Process for the production of emulsions
JPS4810994B1
(en)
*
1969-07-26
1973-04-09
NL7018467A
(en)
*
1969-12-24
1971-06-28
US3989794A
(en)
*
1971-01-07
1976-11-02
Eastman Kodak Company
Process of manufacturing ferrite bodies of low porosity
JPS5522002B2
(en)
*
1974-04-19
1980-06-13
JPS5719053B2
(en)
*
1974-09-20
1982-04-20
JPS5138099A
(en)
*
1974-09-25
1976-03-30
Fuji Photo Film Co Ltd
IT1028343B
(en)
*
1975-01-14
1979-01-30
Montedison Spa
PROCEDURE FOR THE PREPARATION OF ACICULAR FERRIC OXIDE MAGNETIC IRONS
1976
1976-07-27
DE
DE2633597A
patent/DE2633597C2/en
not_active
Expired
1977
1977-07-18
US
US05/817,079
patent/US4140539A/en
not_active
Expired – Lifetime
1977-07-22
GB
GB30869/77A
patent/GB1538040A/en
not_active
Expired
1977-07-25
IT
IT50410/77A
patent/IT1143591B/en
active
1977-07-26
JP
JP8888177A
patent/JPS5314736A/en
active
Granted
1977-07-27
NL
NLAANVRAGE7708330,A
patent/NL183993C/en
not_active
IP Right Cessation
1977-07-27
BE
BE2056116A
patent/BE857184A/en
not_active
IP Right Cessation
1977-07-27
FR
FR7723139A
patent/FR2359884A1/en
active
Granted
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
CN110228824A
(en)
*
2018-11-26
2019-09-13
合肥学院
A kind of preparation method of magnetic ferric oxide nano material
Also Published As
Publication number
Publication date
NL183993C
(en)
1989-03-16
JPS5314736A
(en)
1978-02-09
US4140539A
(en)
1979-02-20
NL183993B
(en)
1988-10-17
DE2633597C2
(en)
1983-01-13
BE857184A
(en)
1978-01-27
JPS5523216B2
(en)
1980-06-21
FR2359884B1
(en)
1980-12-26
IT1143591B
(en)
1986-10-22
NL7708330A
(en)
1978-01-31
FR2359884A1
(en)
1978-02-24
DE2633597A1
(en)
1978-02-02
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Legal Events
Date
Code
Title
Description
1979-05-02
PS
Patent sealed [section 19, patents act 1949]
1990-03-14
PCNP
Patent ceased through non-payment of renewal fee
