BE780830A - Oxyde ferrique gamma de synthese - Google Patents

Oxyde ferrique gamma de synthese

Info

Publication number: BE780830A
Authority: BE; Belgium
Prior art keywords: ferric oxide; oxide gamma; synthesis; synthesis ferric; gamma
Prior art date: 1971-03-17

Application number

BE780830A

Other languages

English (en)

Inventor

L M Bennetch

H S Greiner

K R Hancock

M 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

1972-03-17

Publication date

1972-09-18

1972-03-17 Application filed by Pfizer filed Critical Pfizer

1972-09-18 Publication of BE780830A publication Critical patent/BE780830A/fr

Links

230000015572 biosynthetic process Effects 0.000 title 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title 1
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 title 1
238000003786 synthesis reaction Methods 0.000 title 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
- 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)
Hard Magnetic Materials (AREA)
Compounds Of Iron (AREA)
Paints Or Removers (AREA)

BE780830A 1971-03-17 1972-03-17 Oxyde ferrique gamma de synthese BE780830A (fr)

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 (1)

Publication Number	Publication Date
BE780830A true BE780830A (fr)	1972-09-18

Family

ID=26823475

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE780830A BE780830A (fr)	1971-03-17	1972-03-17	Oxyde ferrique gamma de synthese

Country Status (14)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2735316C3 (de) *	1977-08-05	1981-01-29	Basf Ag, 6700 Ludwigshafen	Verfahren zur Herstellung von nadeiförmigen, ferrimagnetischen Eisenoxiden
DE2801395C2 (de) *	1978-01-13	1982-04-22	Bayer Ag, 5090 Leverkusen	Thermisch stabilisiertes ferrimagnetisches Eisenoxid
DE2805405A1 (de) *	1978-02-09	1979-08-16	Basf Ag	Verfahren zur herstellung von nadelfoermigen, ferrimagnetischen eisenoxiden
DE2945203A1 (de) *	1979-11-09	1981-06-04	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von (gamma)-eisen (iii) oxid
JPS5816364U (ja) *	1981-07-25	1983-02-01	株式会社新潟鐵工所	コンクリ−トポンプにおけるタイミング調整装置
DE3224325A1 (de) *	1982-06-30	1984-01-05	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von nadelfoermigen, ferrimagnetischen eisenoxiden
DE3417793A1 (de) *	1984-05-14	1985-11-14	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung feinteiliger, nadelfoermiger und hochkoerzitiver hexagonaler ferrite sowie ihre verwendung zur herstellung magnetischer aufzeichnungstraeger und plastoferrite
DE3516885A1 (de) *	1985-05-10	1986-11-13	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung nadelfoermiger, kobalthaltiger ferrimagnetischer eisenoxide
DE3518481A1 (de) *	1985-05-23	1986-11-27	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung feinteiliger und nadelfoermiger hexagonaler ferrite sowie ihre verwendung zur herstellung magnetischer aufzeichnungstraeger und plastoferrite
CN118125779B (zh) *	2024-05-07	2024-07-02	湖南瑞砂环境科技有限公司	一种基于黄金尾矿的填缝剂及其制备工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1244896A (fr) *	1960-01-11	1960-10-28	C K Williams & Co	Procédé d'obtention de poudres d'oxyde de fer ferro-magnétiques notamment pour éléments d'enregistrement magnétiques et poudres et éléments obtenus par ce procédé
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/fi active
- 1972-03-15 DE DE19722212435 patent/DE2212435C3/de not_active Expired
- 1972-03-15 AU AU40023/72A patent/AU442230B2/en not_active Expired
- 1972-03-16 CH CH385472A patent/CH547234A/fr not_active IP Right Cessation
- 1972-03-16 CA CA137,228A patent/CA980536A/en not_active Expired
- 1972-03-16 IE IE34372A patent/IE36177B1/xx unknown
- 1972-03-16 AR AR24097472A patent/AR199878A1/es active
- 1972-03-17 JP JP2736572A patent/JPS5549016B1/ja active Pending
- 1972-03-17 FR FR7209464A patent/FR2130407B1/fr not_active Expired
- 1972-03-17 SE SE347972A patent/SE389329B/xx unknown
- 1972-03-17 NL NL7203583A patent/NL167660C/xx not_active IP Right Cessation
- 1972-03-17 BE BE780830A patent/BE780830A/fr not_active IP Right Cessation
- 1972-03-17 IT IT4907072A patent/IT957573B/it active

Also Published As

Publication number	Publication date
AR199878A1 (es)	1974-10-08
FR2130407B1 (fr)	1974-12-13
CA980536A (en)	1975-12-30
DE2212435B2 (de)	1977-09-01
IT957573B (it)	1973-10-20
DE2212435C3 (de)	1978-04-20
FI54284C (fi)	1978-11-10
CH547234A (fr)	1974-03-29
DE2212435A1 (de)	1972-10-19
AU442230B2 (en)	1973-11-01
NL167660B (nl)	1981-08-17
FI54284B (fi)	1978-07-31
GB1392196A (en)	1975-04-30
FR2130407A1 (fr)	1972-11-03
NL7203583A (fr)	1972-09-19
JPS5549016B1 (fr)	1980-12-09
NL167660C (nl)	1982-01-18
IE36177L (en)	1972-09-17
SE389329B (sv)	1976-11-01
IE36177B1 (en)	1976-09-01
AU4002372A (en)	1973-09-20

Legal Events

Date

Code

Title

Description

1991-09-30

RE

Patent lapsed

Owner name: PFIZER PIGMENTS INC.

Effective date: 19910331

Publication	Publication Date	Title
SE394960B (sv)	1977-07-25	Reaktionskristallisator
BE790454A (fr)	1973-04-24	Enregistreur de grandeurs physiologiques
IT952854B (it)	1973-07-30	Filtropressa
IT953497B (it)	1973-08-10	Fenotiazine sostituite
IT971348B (it)	1974-04-30	Lettiga di emergenza
IT961748B (it)	1973-12-10	Trasduttore
BE779190A (fr)	1972-05-30	Stethoscopes
BE778793A (fr)	1972-05-30	Perfectionnements relatifs aux echelles
BE784538A (fr)	1972-10-02	Perfectionnements aux reacteurs nucleaires
BR7207041D0 (pt)	1973-08-21	Filtro-prensa
CH547234A (fr)	1974-03-29	Oxyde ferrique gamma de synthese.
AT313470B (de)	1974-02-25	Röntgenkontrastmittel
AT317417B (de)	1974-08-26	Röntgenkontrastmittel
AT313469B (de)	1974-02-25	Röntgenkontrastmittel
BE781352A (fr)	1972-07-17	Als draagtas uitgevoerd verpakkingsmateriaal
AT339250B (de)	1977-10-10	Reaktor
AT312795B (de)	1974-01-25	Röntgenkontrastmittel
ZA715948B (en)	1972-05-31	Granulation
BR7201523D0 (pt)	1973-05-31	Comprimido facilmente subdivisivel
BE780654A (fr)	1972-09-14	Nouvel oxyde ferrique
CH542483A (de)	1973-09-30	Informations-Einrichtung
AT314078B (de)	1974-03-25	Röntgenkontrastmittel
BR7202421D0 (pt)	1973-06-28	Transdutor eletracustico
IT946560B (it)	1973-05-21	Azabicicloalcani sostituiti
BE791620R (fr)	1973-05-21	Composes aliphatiques