FI54284B - SYNTHETIC MAGNETIC GAMMA FERRIOXIDE FOR ANALYZING IN BLINDNING MED ETT BINDEMEDEL SAOSOM ETT MAGNETIMPULSREGISTRERINGSMATERIAL - Google Patents

SYNTHETIC MAGNETIC GAMMA FERRIOXIDE FOR ANALYZING IN BLINDNING MED ETT BINDEMEDEL SAOSOM ETT MAGNETIMPULSREGISTRERINGSMATERIAL

Info

Publication number: FI54284B
Authority: FI; Finland
Prior art keywords: ett; magnetimpulsregistreringsmaterial; blindning; ferrioxide; bindemedel
Prior art date: 1971-03-17

Application number

FI67972A

Other languages

Finnish (fi)

Other versions

FI54284C (en

Inventor

Leonard Muhlenberg Bennetch

Harry Sandt Greiner

Kenneth Roy Hancock

Mark Hoffman

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.)

1971-03-17

Filing date

1972-03-14

Publication date

1978-07-31

1972-03-14 Application filed by Pfizer filed Critical Pfizer

1978-07-31 Application granted granted Critical

1978-07-31 Publication of FI54284B publication Critical patent/FI54284B/en

1978-11-10 Publication of FI54284C publication Critical patent/FI54284C/en

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
- G11B5/70663—Preparation processes specially adapted therefor, e.g. using stabilising agents
- 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]
- 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
- 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
- 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
- C01P2004/51—Particles with a specific particle size distribution
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
- 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
- C01P2006/40—Electric properties
- 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)
Health & Medical Sciences (AREA)
Dermatology (AREA)
General Health & Medical Sciences (AREA)
Inorganic Chemistry (AREA)
Compounds Of Iron (AREA)
Hard Magnetic Materials (AREA)
Paints Or Removers (AREA)

FI67972A 1971-03-17 1972-03-14 SYNTHETIC MAGNETIC GAMMA FERRIOXIDE FOR ANALYZING IN BLINDNING MED ETT BINDEMEDEL SAOSOM ETT MAGNETIMPULSREGISTRERINGSMATERIAL FI54284C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US12533171A	1971-03-17	1971-03-17
US22563672A	1972-02-11	1972-02-11

Publications (2)

Publication Number	Publication Date
FI54284B true FI54284B (en)	1978-07-31
FI54284C FI54284C (en)	1978-11-10

Family

ID=26823475

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI67972A FI54284C (en)	1971-03-17	1972-03-14	SYNTHETIC MAGNETIC GAMMA FERRIOXIDE FOR ANALYZING IN BLINDNING MED ETT BINDEMEDEL SAOSOM ETT MAGNETIMPULSREGISTRERINGSMATERIAL

Country Status (14)

Country	Link
JP (1)	JPS5549016B1 (en)
AR (1)	AR199878A1 (en)
AU (1)	AU442230B2 (en)
BE (1)	BE780830A (en)
CA (1)	CA980536A (en)
CH (1)	CH547234A (en)
DE (1)	DE2212435C3 (en)
FI (1)	FI54284C (en)
FR (1)	FR2130407B1 (en)
GB (1)	GB1392196A (en)
IE (1)	IE36177B1 (en)
IT (1)	IT957573B (en)
NL (1)	NL167660C (en)
SE (1)	SE389329B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2735316C3 (en) *	1977-08-05	1981-01-29	Basf Ag, 6700 Ludwigshafen	Process for the production of acicular, ferrimagnetic iron oxides
DE2801395C2 (en) *	1978-01-13	1982-04-22	Bayer Ag, 5090 Leverkusen	Thermally stabilized ferrimagnetic iron oxide
DE2805405A1 (en) *	1978-02-09	1979-08-16	Basf Ag	PROCESS FOR THE PRODUCTION OF NEEDLE-SHAPED FERRIMAGNETIC IRON OXIDES
DE2945203A1 (en) *	1979-11-09	1981-06-04	Basf Ag, 6700 Ludwigshafen	METHOD FOR PRODUCING (GAMMA) IRON (III) OXIDE
JPS5816364U (en) *	1981-07-25	1983-02-01	株式会社新潟鐵工所	Timing adjustment device for concrete pumps
DE3224325A1 (en) *	1982-06-30	1984-01-05	Basf Ag, 6700 Ludwigshafen	METHOD FOR PRODUCING NEEDLE-SHAPED, FERRIMAGNETIC IRON OXIDES
DE3417793A1 (en) *	1984-05-14	1985-11-14	Basf Ag, 6700 Ludwigshafen	METHOD FOR THE PRODUCTION OF FINE-PARTIC, NEEDLE-SHAPED AND HIGH-CERCITIVE HEXAGONAL FERRITES AND THEIR USE FOR THE PRODUCTION OF MAGNETIC RECORDING CARRIERS AND PLASTOFERRITE
DE3516885A1 (en) *	1985-05-10	1986-11-13	Basf Ag, 6700 Ludwigshafen	METHOD FOR THE PRODUCTION OF NEEDLE-SHAPED, COBAL-CONTAINING FERRIMAGNETIC IRON OXIDS
DE3518481A1 (en) *	1985-05-23	1986-11-27	Basf Ag, 6700 Ludwigshafen	METHOD FOR THE PRODUCTION OF FINE-PARTIC AND NEEDLE-SHAPED HEXAGONAL FERRITES AND THEIR USE FOR THE PRODUCTION OF MAGNETIC RECORDING CARRIERS AND PLASTOFERRITE
CN118125779B (en) *	2024-05-07	2024-07-02	湖南瑞砂环境科技有限公司	Gap filler based on gold tailings and preparation process thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1244896A (en) *	1960-01-11	1960-10-28	C K Williams & Co	Process for obtaining ferro-magnetic iron oxide powders, in particular for magnetic recording elements and powders and elements obtained by this process
US3498748A (en) *	1967-05-18	1970-03-03	Pfizer & Co C	Preparation of magnetic ferric oxide

1972
- 1972-03-10 GB GB1141272A patent/GB1392196A/en not_active Expired
- 1972-03-14 FI FI67972A patent/FI54284C/en active
- 1972-03-15 AU AU40023/72A patent/AU442230B2/en not_active Expired
- 1972-03-15 DE DE19722212435 patent/DE2212435C3/en not_active Expired
- 1972-03-16 CH CH385472A patent/CH547234A/en not_active IP Right Cessation
- 1972-03-16 IE IE34372A patent/IE36177B1/en unknown
- 1972-03-16 CA CA137,228A patent/CA980536A/en not_active Expired
- 1972-03-16 AR AR24097472A patent/AR199878A1/en active
- 1972-03-17 FR FR7209464A patent/FR2130407B1/fr not_active Expired
- 1972-03-17 JP JP2736572A patent/JPS5549016B1/ja active Pending
- 1972-03-17 NL NL7203583A patent/NL167660C/en not_active IP Right Cessation
- 1972-03-17 SE SE347972A patent/SE389329B/en unknown
- 1972-03-17 BE BE780830A patent/BE780830A/en not_active IP Right Cessation
- 1972-03-17 IT IT4907072A patent/IT957573B/en active

Also Published As

Publication number	Publication date
CA980536A (en)	1975-12-30
FR2130407A1 (en)	1972-11-03
JPS5549016B1 (en)	1980-12-09
IE36177B1 (en)	1976-09-01
NL7203583A (en)	1972-09-19
IT957573B (en)	1973-10-20
FI54284C (en)	1978-11-10
DE2212435B2 (en)	1977-09-01
NL167660C (en)	1982-01-18
FR2130407B1 (en)	1974-12-13
AU4002372A (en)	1973-09-20
AU442230B2 (en)	1973-11-01
CH547234A (en)	1974-03-29
BE780830A (en)	1972-09-18
IE36177L (en)	1972-09-17
NL167660B (en)	1981-08-17
DE2212435C3 (en)	1978-04-20
AR199878A1 (en)	1974-10-08
SE389329B (en)	1976-11-01
DE2212435A1 (en)	1972-10-19
GB1392196A (en)	1975-04-30

Publication	Publication Date	Title
IT958456B (en)	1973-10-20	IMPROVEMENT IN THE TAPES FOR MAGNETIC RECORDING
FI56251C (en)	1979-12-10	MED ETT KOMBINATIONSMATERIAL BELAGD VALS SAERSKILT EN PAPPERSMASKINSVALS
FI55375B (en)	1979-03-30	FOERFARANDE OCH ANORDNING FOER ATT BELAEGGA EN MATERIALBANA FOERETRAEDESVIS EN PAPPERSBANA MED ETT BESTRYKNINGSMEDEL
IT996611B (en)	1975-12-10	MINICASSETTE FOR MAGNETIC TAPE
IT960879B (en)	1973-11-30	BOX FOR MAGNETIC TAPES
BE787830A (en)	1972-12-18	STREAMER
CH512076A (en)	1971-08-31	Magnetic field probe
BE791686A (en)	1973-03-16	MAGNETIC ARRANGEMENT
FI54284C (en)	1978-11-10	SYNTHETIC MAGNETIC GAMMA FERRIOXIDE FOR ANALYZING IN BLINDNING MED ETT BINDEMEDEL SAOSOM ETT MAGNETIMPULSREGISTRERINGSMATERIAL
BE759647A (en)	1971-04-30	MAGNETIC CARRIER
BE783092A (en)	1972-09-01	MAGNETIC ARRANGEMENT
AT314675B (en)	1974-04-25	Magnetic position indicator
IT1041211B (en)	1980-01-10	IMPROVEMENT IN THE TURNS FOR MAGNETIC TAPES
CH544935A (en)	1973-11-30	Density meter
CH544934A (en)	1973-11-30	Density meter
SE390456B (en)	1976-12-20	DENSITY METER
FI55459B (en)	1979-04-30	SAEKERHETSANORDNING VID ETT ARBETSREDSKAP SAERSKILT EN MOTORSAOG
CH536683A (en)	1973-05-15	Magnetic chuck
BE781316A (en)	1972-07-17	MAGNETIC ARRANGEMENT
IT952230B (en)	1973-07-20	IMPROVEMENT IN MAGNETIC COMPASSES
AT318763B (en)	1974-11-11	Magnetic position indicator arrangement
FI56020B (en)	1979-07-31	FOERFARANDE FOER BEHANDLING AV SKUMPLASTFOEREMAOL VILKA SKALL FOERSES MED ETT TAECKSKIKT AV POLYESTERHARTS
IT952124B (en)	1973-07-20	BOX FOR MAGNETIC TAPE
BE766904A (en)	1971-11-10	MAGNETIC RECORDING MATERIAL
BR7208841D0 (en)	1973-09-27	MAGNETIC SET