CrO2

Industry

CPC
G11B5/70636

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Parent Industries

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

G11B5/70636CrO2

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Tape media having synergistic magnetic recording layer and underlayer
- Patent number 11,749,306
- Issue date Sep 5, 2023
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Underlayer formulation for tape media
- Patent number 11,158,340
- Issue date Oct 26, 2021
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape media having synergistic magnetic recording layer and underlayer
- Patent number 11,152,027
- Issue date Oct 19, 2021
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Chromium dioxide (CrO2) and composites of chromium dioxide and othe...
- Patent number 7,276,226
- Issue date Oct 2, 2007
- Tata Institute of Fundamental Research
- Ashna Bajpai
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual-surface flexible magnetic tape
- Patent number 6,890,631
- Issue date May 10, 2005
- International Business Machines Corporation
- Richard Lionel Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing magnetic recording medium
- Patent number 6,126,990
- Issue date Oct 3, 2000
- TDK Corporation
- Kiyonori Hinoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 6,120,877
- Issue date Sep 19, 2000
- Victor Company of Japan, Limited
- Takayuki Deno
- G11 - INFORMATION STORAGE
Information Patent Grant
Finely divided acicular magnetic modified chromium dioxide
- Patent number 5,569,409
- Issue date Oct 29, 1996
- BASF Magnetics GmbH
- Harald Jachow
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing modified chromium dioxide
- Patent number 5,378,383
- Issue date Jan 3, 1995
- BASF Magnetics GmbH
- Harald Jachow
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having a magnetic layer containing chromi...
- Patent number 5,217,810
- Issue date Jun 8, 1993
- BASF Aktiengesellschaft
- August Lehner
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media
- Patent number 5,209,970
- Issue date May 11, 1993
- BASF Aktiengesellschaft
- Manfred Ohlinger
- G11 - INFORMATION STORAGE
Information Patent Grant
Preparation of stabilized acicular ferromagnetic chromium dioxide
- Patent number 5,164,173
- Issue date Nov 17, 1992
- BASF Aktiengesellschaft
- Norbert Muller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Chromium dioxide material, its preparation and magnetic recording m...
- Patent number 5,096,779
- Issue date Mar 17, 1992
- BASF Aktiengesellschaft
- Michael W. Mueller
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media
- Patent number 5,075,179
- Issue date Dec 24, 1991
- BASF Aktiengesellschaft
- August Lehner
- G11 - INFORMATION STORAGE
Information Patent Grant
Preparation of stabilized chromium dioxide with sodium tetracarbony...
- Patent number 5,064,549
- Issue date Nov 12, 1991
- BASF Aktiengesellschaft
- Michael W. Mueller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic recording medium
- Patent number 5,037,695
- Issue date Aug 6, 1991
- TDK Corporation
- Hiroyuki Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for preparing acicular ferromagnetic material consisting es...
- Patent number 5,030,371
- Issue date Jul 9, 1991
- BASF
- Michael W. Mueller
- G11 - INFORMATION STORAGE
Information Patent Grant
Stabilization of acicular ferromagnetic chromium dioxide
- Patent number 5,009,877
- Issue date Apr 23, 1991
- BASF Aktiengesellschaft
- Werner Steck
- G11 - INFORMATION STORAGE
Information Patent Grant
Low CnO.sub.2 loading, high coercivity thermomagnetic tape duplication
- Patent number 4,907,103
- Issue date Mar 6, 1990
- Otari Electric Company, Ltd.
- Dale M. Hiller
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,837,081
- Issue date Jun 6, 1989
- Fuji Photo Film Co., Ltd.
- Yasuyuki Yamada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of ferromagnetic chromium dioxide
- Patent number 4,781,851
- Issue date Nov 1, 1988
- BASF Aktiengesellschaft
- Werner Steck
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for synthesis of ferromagnetic chromium dioxide
- Patent number 4,769,165
- Issue date Sep 6, 1988
- E. I. Du Pont de Nemours and Company
- Horng-Yih Chen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic recording medium and production thereof
- Patent number 4,769,293
- Issue date Sep 6, 1988
- Hitachi Maxell, Ltd.
- Shigeyuki Hosoo
- G11 - INFORMATION STORAGE
Information Patent Grant
Mixed Cr.sub.2 O.sub.3 paste for CrO.sub.2 synthesis
- Patent number 4,747,974
- Issue date May 31, 1988
- E. I. DuPont de Nemours and Company
- Terry G. Crandall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of chromium(III) oxide
- Patent number 4,741,895
- Issue date May 3, 1988
- BASF Aktiengsellschaft
- Norbert Mueller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic recording medium
- Patent number 4,716,076
- Issue date Dec 29, 1987
- Hitachi Maxell, Ltd.
- Akira Morioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Partitioned reduction process for ferromagnetic chromium dioxide
- Patent number 4,698,220
- Issue date Oct 6, 1987
- E. I. Du Pont de Nemours and Company
- Terry G. Crandall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of ferromagnetic chromium dioxide
- Patent number 4,670,177
- Issue date Jun 2, 1987
- BASF Aktiengesellschaft
- Manfred Ohlinger
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Controlled initiation chromium dioxide synthesis
- Patent number 4,524,008
- Issue date Jun 18, 1985
- E. I. Du Pont de Nemours and Company
- Horng-Yih Chen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Acicular ferromagnetic chromium dioxide particles
- Patent number 4,495,246
- Issue date Jan 22, 1985
- BASF Aktiengesellschaft
- Werner Steck
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
TAPE MEDIA HAVING SYNERGISTIC MAGNETIC RECORDING LAYER AND UNDERLAYER
- Publication number 20210390980
- Publication date Dec 16, 2021
- International Business Machines Corporation
- Richard Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Application
Chromium dioxide (cro2) and composites of chromium dioxide and othe...
- Publication number 20050271577
- Publication date Dec 8, 2005
- Ashna Bajpai
- G11 - INFORMATION STORAGE
Information Patent Application
Dual-surface flexible magnetic tape
- Publication number 20050074637
- Publication date Apr 7, 2005
- Richard L. Bradshaw
- G11 - INFORMATION STORAGE
Information Patent Application
Dual-surface flexible magnetic tape
- Publication number 20030228498
- Publication date Dec 11, 2003
- Richard Lionel Bradshaw
- G11 - INFORMATION STORAGE

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Tape media having synergistic magnetic recording layer and underlayer

Underlayer formulation for tape media

Tape media having synergistic magnetic recording layer and underlayer

Chromium dioxide (CrO2) and composites of chromium dioxide and othe...

Dual-surface flexible magnetic tape

Method for producing magnetic recording medium

Magnetic recording medium

Finely divided acicular magnetic modified chromium dioxide

Process for preparing modified chromium dioxide

Magnetic recording medium having a magnetic layer containing chromi...

Magnetic recording media

Preparation of stabilized acicular ferromagnetic chromium dioxide

Chromium dioxide material, its preparation and magnetic recording m...

Magnetic recording media

Preparation of stabilized chromium dioxide with sodium tetracarbony...

Magnetic recording medium

Process for preparing acicular ferromagnetic material consisting es...

Stabilization of acicular ferromagnetic chromium dioxide

Low CnO.sub.2 loading, high coercivity thermomagnetic tape duplication

Magnetic recording medium

Preparation of ferromagnetic chromium dioxide

Process for synthesis of ferromagnetic chromium dioxide

Magnetic recording medium and production thereof

Mixed Cr.sub.2 O.sub.3 paste for CrO.sub.2 synthesis

Preparation of chromium(III) oxide

Magnetic recording medium

Partitioned reduction process for ferromagnetic chromium dioxide

Preparation of ferromagnetic chromium dioxide

Controlled initiation chromium dioxide synthesis

Acicular ferromagnetic chromium dioxide particles

Patents Applicationslast 30 patents

TAPE MEDIA HAVING SYNERGISTIC MAGNETIC RECORDING LAYER AND UNDERLAYER

Chromium dioxide (cro2) and composites of chromium dioxide and othe...

Dual-surface flexible magnetic tape

Dual-surface flexible magnetic tape