DE69100504D1 - Magnetische dispersion. - Google Patents

Magnetische dispersion.

Info

Publication number
DE69100504D1
DE69100504D1 DE91904038T DE69100504T DE69100504D1 DE 69100504 D1 DE69100504 D1 DE 69100504D1 DE 91904038 T DE91904038 T DE 91904038T DE 69100504 T DE69100504 T DE 69100504T DE 69100504 D1 DE69100504 D1 DE 69100504D1
Authority
DE
Germany
Prior art keywords
magnetic dispersion
dispersion
magnetic
Prior art date
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 - Fee Related
Application number
DE91904038T
Other languages
English (en)
Other versions
DE69100504T2 (de
Inventor
John Bishop
Robert James
Diane Kestner
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69100504D1 publication Critical patent/DE69100504D1/de
Application granted granted Critical
Publication of DE69100504T2 publication Critical patent/DE69100504T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • 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
    • G11B5/633—Record carriers characterised by the selection of the material of cinematographic films or slides with integral magnetic track
    • 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
    • G11B5/7013—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 dispersing agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE91904038T 1990-02-01 1991-01-30 Magnetische dispersion. Expired - Fee Related DE69100504T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/473,500 US4990276A (en) 1990-02-01 1990-02-01 Magnetic dispersion
PCT/US1991/000578 WO1991011816A1 (en) 1990-02-01 1991-01-30 Magnetic dispersion

Publications (2)

Publication Number Publication Date
DE69100504D1 true DE69100504D1 (de) 1993-11-18
DE69100504T2 DE69100504T2 (de) 1994-05-11

Family

ID=23879789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE91904038T Expired - Fee Related DE69100504T2 (de) 1990-02-01 1991-01-30 Magnetische dispersion.

Country Status (6)

Country Link
US (1) US4990276A (de)
EP (1) EP0466899B1 (de)
JP (1) JPH04504636A (de)
CA (1) CA2046885A1 (de)
DE (1) DE69100504T2 (de)
WO (1) WO1991011816A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5206084A (en) * 1987-12-04 1993-04-27 Diafoil Hoechst Co., Ltd. Magnetic recording medium comprising an oriented polyester substrate, an antistatic coating of a polymer with pyrrolidium rings in the main chain and a magnetic layer
US5254449A (en) * 1990-02-01 1993-10-19 Eastman Kodak Company Photographic element containing thinb transparent magnetic recording layer and method for the preparation thereof
US5217804A (en) * 1990-11-06 1993-06-08 Eastman Kodak Company Magnetic particles
JP2861374B2 (ja) * 1990-11-19 1999-02-24 味の素株式会社 トナー
US5262292A (en) * 1991-04-23 1993-11-16 Eastman Kodak Company Photographic elements containing pyrazolone couplers and process
US5443944A (en) * 1992-11-16 1995-08-22 Agta-Gevaert Ag Photographic material
US5397826A (en) * 1993-12-22 1995-03-14 Eastman Kodak Company Coating compositions for a transparent magnetic recording layer
US5395743A (en) * 1993-12-22 1995-03-07 Eastman Kodak Company Photographic element having a transparent magnetic layer and a process of preparing the same
US5491051A (en) * 1993-12-22 1996-02-13 Eastman Kodak Company Photographic element
US5427900A (en) * 1993-12-22 1995-06-27 Eastman Kodak Company Photographic element having a transparent magnetic recording layer
US5432050A (en) * 1994-02-08 1995-07-11 Eastman Kodak Company Photographic element having a transparent magnetic recording layer
US5457012A (en) * 1994-04-18 1995-10-10 Eastman Kodak Company Transparent film-forming aqueous compositions for magnetic recording
US5457013A (en) * 1994-04-22 1995-10-10 Eastman Kodak Company Imaging element comprising a transparent magnetic layer and an electrically-conductive layer containing particles of a metal antimonate
US5436120A (en) * 1994-06-01 1995-07-25 Eastman Kodak Company Photographic element having a transparent magnetic recording layer
US5434037A (en) 1994-06-01 1995-07-18 Eastman Kodak Company Photographic element having a transparent magnetic recording layer
US5498512A (en) * 1995-03-10 1996-03-12 Eastman Kodak Company Photographic element having a transparent magnetic recording layer
JPH08315305A (ja) * 1995-04-07 1996-11-29 Eastman Kodak Co 画像記録自体あるいは画像記録に関連する改善
US5811228A (en) * 1995-10-31 1998-09-22 Eastman Kodak Company Density correction dyes for color negative films with magnetic recording layers
US5725999A (en) * 1995-10-31 1998-03-10 Eastman Kodak Company Methine yellow density correction dyes for color negative films with magnetic recording layers
US5747234A (en) * 1995-11-13 1998-05-05 Eastman Kodak Company Photographic element
US5714308A (en) 1996-02-13 1998-02-03 Eastman Kodak Company Atmospheric pressure glow discharge treatment of polymeric supports to promote adhesion for photographic applications
US5633127A (en) * 1996-03-29 1997-05-27 Eastman Kodak Company Imaging elements capable of providing in a single layer an image and an independent magnetic record
US5770353A (en) * 1996-06-28 1998-06-23 Eastman Kodak Company Photographic element having improved ferrotyping resistance and surface appearance
US5789145A (en) * 1996-07-23 1998-08-04 Eastman Kodak Company Atmospheric pressure glow discharge treatment of base material for photographic applications
FR2753701B1 (fr) * 1996-09-24 1998-11-27 Procede pour reduire la teneur en benzene d'une coupe d'hydrocarbures
US5776668A (en) * 1996-09-30 1998-07-07 Eastman Kodak Company Abrasive lubricating overcoat layers
US5817451A (en) * 1997-01-28 1998-10-06 Eastman Kodak Company Fluorinated particles as lubricants for transparent magnetic recording media
US5981126A (en) * 1997-09-29 1999-11-09 Eastman Kodak Company Clay containing electrically-conductive layer for imaging elements
US5827630A (en) * 1997-11-13 1998-10-27 Eastman Kodak Company Imaging element comprising an electrically-conductive layer containing metal antimonate and non-conductive metal-containing colloidal particles and a transparent magnetic recording layer
US6060230A (en) * 1998-12-18 2000-05-09 Eastman Kodak Company Imaging element comprising an electrically-conductive layer containing metal-containing particles and clay particles and a transparent magnetic recording layer
US6214530B1 (en) 1999-06-30 2001-04-10 Tulalip Consultoria Comercial Sociedade Unidessoal S.A. Base film with a conductive layer and a magnetic layer
EP1081546A1 (de) 1999-08-30 2001-03-07 Eastman Kodak Company Elektrisch leitende Polymer und Lösungsmittelmischung enthaltende Beschichtungszusammensetzung
US6162596A (en) * 1999-08-30 2000-12-19 Eastman Kodak Company Imaging elements containing an electrically-conductive layer comprising polythiophene and a cellulosic polymer binder
US20040135126A1 (en) * 2001-06-26 2004-07-15 Schwark Dwight W. Coating composition containing polythiophene and solvent mixture
US20050029496A1 (en) * 2001-06-26 2005-02-10 Schwark Dwight W. Coating composition containing polythiophene, film-forming binder, and solvent mixture
US6905761B2 (en) * 2002-12-12 2005-06-14 Eastman Kodak Company Transparent film-forming compositions for magnetic recording

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3634253A (en) * 1966-10-24 1972-01-11 Fuji Photo Film Co Ltd Magnetic recording medium
FR1580714A (de) * 1967-09-18 1969-09-05
JPS4839120B1 (de) * 1968-06-11 1973-11-21
DE1948324C3 (de) * 1968-09-26 1974-04-25 Fuji Photo Film Co., Ltd., Ashigara, Kanagawa (Japan) Magnetisches Aufzeichnungsmaterial
US3767464A (en) * 1968-11-13 1973-10-23 Fuji Photo Film Co Ltd Magnetic recording member and method of producing same
US3782947A (en) * 1972-01-28 1974-01-01 Eastman Kodak Co Photographic product with photographically transparent magnetic recording medium
FR2382325A1 (fr) * 1977-03-02 1978-09-29 Kodak Pathe Produit comprenant une couche d'enregistrement magnetique transparente
DE3401771A1 (de) * 1984-01-19 1985-08-01 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches speichermedium
DE3526415A1 (de) * 1985-07-24 1987-02-05 Basf Ag Verfahren zur herstellung von magnetischen aufzeichnungstraegern
US4719121A (en) * 1986-06-16 1988-01-12 Dow Corning Corporation Method of making a magnetic recording medium and composition
JPH0644346B2 (ja) * 1987-04-30 1994-06-08 富士写真フイルム株式会社 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
US4990276A (en) 1991-02-05
EP0466899A1 (de) 1992-01-22
DE69100504T2 (de) 1994-05-11
WO1991011816A1 (en) 1991-08-08
JPH04504636A (ja) 1992-08-13
CA2046885A1 (en) 1991-08-02
EP0466899B1 (de) 1993-10-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee