Preparation processes specially adapted therefor

Industry

CPC
G11B5/70663

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/70663Preparation processes specially adapted therefor

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Ferromagnetic powder, and coating material and magnetic recording m...
- Patent number 7,763,352
- Issue date Jul 27, 2010
- Dowa Electronics Materials Co., Ltd.
- Yoshiyuki Shoji
- G11 - INFORMATION STORAGE
Information Patent Grant
Single-step simple and economical process for the preparation of na...
- Patent number 7,087,210
- Issue date Aug 8, 2006
- Council of Scientific and Industrial Research
- Arvind Sinha
- G11 - INFORMATION STORAGE
Information Patent Grant
Production method of goethite
- Patent number 5,139,767
- Issue date Aug 18, 1992
- Mitsui Toatsu Chemicals, Incorporated
- Mitsurou Matsunaga
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing magnetic iron oxide particles for magnetic re...
- Patent number 5,041,307
- Issue date Aug 20, 1991
- Ishihara Sangyo Kaisha, Ltd.
- Arata Koyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Preparation of acicular .alpha.-Fe.sub.2 O.sub.3
- Patent number 4,913,890
- Issue date Apr 3, 1990
- BASF Aktiengesellschaft
- Volker Arndt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of acicular .alpha.-Fe.sub.2 O.sub.3
- Patent number 4,826,671
- Issue date May 2, 1989
- BASF Aktiengesellschaft
- Volker Arndt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing acicular iron .alpha.-oxyhydroxide particle p...
- Patent number 4,806,335
- Issue date Feb 21, 1989
- Chisso Corporation
- Masayoshi Saito
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Preparation of facetted nodular particles
- Patent number 4,798,622
- Issue date Jan 17, 1989
- Eastman Kodak Company
- Bernard J. Pingaud
- G11 - INFORMATION STORAGE
Information Patent Grant
High temperature process for making fine magnetic particles
- Patent number 4,777,031
- Issue date Oct 11, 1988
- Cadot Corporation
- Joseph A. Senecal
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of acicular alpha-Fe.sub.2 O.sub.3
- Patent number 4,774,072
- Issue date Sep 27, 1988
- BASF Aktiengesellschaft
- Volker Arndt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of a magnetic dispersion
- Patent number 4,619,777
- Issue date Oct 28, 1986
- BASF Aktiengesellschaft
- Milena Melzer
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for the preparation of acicular .alpha.-FeOOH for magnetic...
- Patent number 4,560,544
- Issue date Dec 24, 1985
- Ishihara Sangyo Kaisha, Ltd.
- Kazuo Nakata
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of acicular ferrimagnetic iron oxide
- Patent number 4,464,352
- Issue date Aug 7, 1984
- BASF Aktiengesellschaft
- Horst Autzen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Coating iron oxide particles for magnetic recording
- Patent number 4,400,432
- Issue date Aug 23, 1983
- Bayer Aktiengesellschaft
- Gunter Buxbaum
- G11 - INFORMATION STORAGE
Information Patent Grant
Preparation of acicular gamma-iron(III) oxide of high coercive force
- Patent number 4,362,708
- Issue date Dec 7, 1982
- BASF Aktiengesellschaft
- Manfred Ohlinger
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Coating iron oxide particles for magnetic recording
- Patent number 4,323,596
- Issue date Apr 6, 1982
- Bayer Aktiengesellschaft
- Gunter Buxbaum
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing acicular goethite
- Patent number 4,251,504
- Issue date Feb 17, 1981
- TDK Electronics, Co. Ltd.
- Toshihiro Hamabata
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of acicular, ferrimagnetic iron oxide
- Patent number 4,213,959
- Issue date Jul 22, 1980
- BASF Aktiengesellschaft
- Rudolf Brodt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of acicular ferric oxide
- Patent number 4,202,871
- Issue date May 13, 1980
- Sakai Chemical Industry Co., Ltd.
- Seiji Matsumoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Manufacture of acicular cobalt-modified magnetic iron oxide
- Patent number 4,188,302
- Issue date Feb 12, 1980
- BASF Aktiengesellschaft
- Hans-Juergen Becker
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of acicular magnetic iron oxides
- Patent number 4,136,158
- Issue date Jan 23, 1979
- Toda Kogyo Corp.
- Yosiro Okuda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing ferrimagnetic acicular ferric oxide
- Patent number 4,096,292
- Issue date Jun 20, 1978
- Montedison S.p.A.
- Giuliano Fagherazzi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of gamma-iron(III) oxide
- Patent number 4,071,610
- Issue date Jan 31, 1978
- BASF Aktiengesellschaft
- Eberhard Koester
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of making goethite powder
- Patent number 4,060,596
- Issue date Nov 29, 1977
- Sony Corporation
- Tokio Nakamura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of gamma-iron(III) oxide
- Patent number 4,059,716
- Issue date Nov 22, 1977
- BASF Aktiengesellschaft
- Helmut Kopke
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of gamma-iron (III) oxide
- Patent number 4,018,882
- Issue date Apr 19, 1977
- BASF Aktiengesellschaft
- Eberhard Koester
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic pigments with improved orientability and a process for the...
- Patent number 4,014,710
- Issue date Mar 29, 1977
- Bayer Aktiengesellschaft
- Peter Woditsch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of gamma iron oxide
- Patent number 3,974,079
- Issue date Aug 10, 1976
- Bayer Aktiengesellschaft
- Peter Woditsch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of finely divided acicular magnetic iron oxides
- Patent number 3,947,502
- Issue date Mar 30, 1976
- Bayer Aktiengesellschaft
- Lutz Leitner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic iron oxides with improved orientability and a process for...
- Patent number 3,931,025
- Issue date Jan 6, 1976
- Bayer Aktiengesellschaft
- Peter Woditsch
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Ferromagnetic powder, and coating material and magnetic recording m...
- Publication number 20070059557
- Publication date Mar 15, 2007
- Yoshiyuki Shoji
- G11 - INFORMATION STORAGE
Information Patent Application
Single-step simple and economical process for the preparation of na...
- Publication number 20040179997
- Publication date Sep 16, 2004
- Council of Scientific and Industrial Research
- Arvind Sinha
- G11 - INFORMATION STORAGE

Preparation processes specially adapted therefor

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ferromagnetic powder, and coating material and magnetic recording m...

Single-step simple and economical process for the preparation of na...

Production method of goethite

Process for producing magnetic iron oxide particles for magnetic re...

Preparation of acicular .alpha.-Fe.sub.2 O.sub.3

Preparation of acicular .alpha.-Fe.sub.2 O.sub.3

Process for producing acicular iron .alpha.-oxyhydroxide particle p...

Preparation of facetted nodular particles

High temperature process for making fine magnetic particles

Preparation of acicular alpha-Fe.sub.2 O.sub.3

Preparation of a magnetic dispersion

Process for the preparation of acicular .alpha.-FeOOH for magnetic...

Manufacture of acicular ferrimagnetic iron oxide

Coating iron oxide particles for magnetic recording

Preparation of acicular gamma-iron(III) oxide of high coercive force

Coating iron oxide particles for magnetic recording

Process for producing acicular goethite

Manufacture of acicular, ferrimagnetic iron oxide

Production of acicular ferric oxide

Manufacture of acicular cobalt-modified magnetic iron oxide

Production of acicular magnetic iron oxides

Process for preparing ferrimagnetic acicular ferric oxide

Manufacture of gamma-iron(III) oxide

Method of making goethite powder

Manufacture of gamma-iron(III) oxide

Manufacture of gamma-iron (III) oxide

Magnetic pigments with improved orientability and a process for the...

Production of gamma iron oxide

Production of finely divided acicular magnetic iron oxides

Magnetic iron oxides with improved orientability and a process for...

Patents Applicationslast 30 patents

Ferromagnetic powder, and coating material and magnetic recording m...

Single-step simple and economical process for the preparation of na...