BR8601610A - Processo para preparar uma composicao e meio de gravacao magnetica - Google Patents

Processo para preparar uma composicao e meio de gravacao magnetica

Info

Publication number
BR8601610A
BR8601610A BR8601610A BR8601610A BR8601610A BR 8601610 A BR8601610 A BR 8601610A BR 8601610 A BR8601610 A BR 8601610A BR 8601610 A BR8601610 A BR 8601610A BR 8601610 A BR8601610 A BR 8601610A
Authority
BR
Brazil
Prior art keywords
prepare
composition
magnetic recording
recording media
media
Prior art date
Application number
BR8601610A
Other languages
English (en)
Inventor
Charles John Anirsakis
Richard Lionel Bradshaw
Original Assignee
Ibm
Thiokol Morton Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24889929&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8601610(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ibm, Thiokol Morton Inc filed Critical Ibm
Publication of BR8601610A publication Critical patent/BR8601610A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6633—Compounds of group C08G18/42
    • C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7021—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 bonding agent containing a polyurethane or a polyisocyanate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR8601610A 1985-04-03 1986-04-02 Processo para preparar uma composicao e meio de gravacao magnetica BR8601610A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/719,402 US4568611A (en) 1985-04-03 1985-04-03 Polyester-polyurethane composition and use thereof

Publications (1)

Publication Number Publication Date
BR8601610A true BR8601610A (pt) 1986-12-09

Family

ID=24889929

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8601610A BR8601610A (pt) 1985-04-03 1986-04-02 Processo para preparar uma composicao e meio de gravacao magnetica

Country Status (8)

Country Link
US (1) US4568611A (pt)
EP (1) EP0197195B1 (pt)
JP (2) JPS61231050A (pt)
AU (1) AU578992B2 (pt)
BR (1) BR8601610A (pt)
CA (1) CA1274642A (pt)
DE (1) DE3570544D1 (pt)
ES (1) ES8800973A1 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8411019D0 (en) * 1984-04-30 1984-06-06 Fluidrive Eng Co Ltd High-inertia load drives
JPS61915A (ja) * 1984-06-13 1986-01-06 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPH0766525B2 (ja) * 1986-04-16 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
JPH02108225A (ja) * 1988-10-17 1990-04-20 Tdk Corp 磁気記録媒体
US4988574A (en) * 1989-02-08 1991-01-29 The B. F. Goodrich Company Thermoplastic polyurethanes having improved binder properties for magnetic media recording
US5245485A (en) * 1991-08-30 1993-09-14 International Business Machines Corporation Multiple tape thickness, multiple recording format tape drive systems
US5446085A (en) * 1993-06-15 1995-08-29 International Business Machines Corporation Polymeric compositions containing inorganic fillers and use thereof
US5443914A (en) * 1993-12-17 1995-08-22 Nordam Chemically induced crazing resistant acrylic
US5371166A (en) * 1993-12-22 1994-12-06 The B. F. Goodrich Company Polyurethane composition for use as a dispersing binder
US5747630A (en) * 1997-03-13 1998-05-05 Morton International, Inc. Polyurethane binder for a magnetic recording medium
US6149965A (en) * 1998-01-12 2000-11-21 General Mills, Inc. Cereal products with inulin and methods of preparation
EP1035145A3 (en) * 1999-03-08 2000-12-20 Toyo Boseki Kabushiki Kaisha Magnetic recording media and thermoplastic polyurethane resins therefor
DE60109601T2 (de) * 2000-05-27 2006-02-09 Rohm and Haas Electronic Materials CMP Holdings, Inc., Wilmington Rillen-polierkissen zum chemisch-mechanischen planarisieren
US6749485B1 (en) 2000-05-27 2004-06-15 Rodel Holdings, Inc. Hydrolytically stable grooved polishing pads for chemical mechanical planarization
US6860802B1 (en) 2000-05-27 2005-03-01 Rohm And Haas Electric Materials Cmp Holdings, Inc. Polishing pads for chemical mechanical planarization
JP5845787B2 (ja) 2011-09-30 2016-01-20 ブラザー工業株式会社 音声処理装置、音声処理方法、および音声処理プログラム
US12014760B2 (en) 2019-08-20 2024-06-18 International Business Machines Corporation Process for forming tape media having synergistic magnetic recording layer and underlayer
US11410697B2 (en) 2019-08-20 2022-08-09 International Business Machines Corporation Process for forming underlayer for tape media
US11158337B2 (en) * 2019-08-20 2021-10-26 International Business Machines Corporation Tape cartridge having tape media having synergistic magnetic recording layer and underlayer
US11152027B2 (en) * 2019-08-20 2021-10-19 International Business Machines Corporation Tape media having synergistic magnetic recording layer and underlayer
US11158340B2 (en) * 2019-08-20 2021-10-26 International Business Machines Corporation Underlayer formulation for tape media
US11158339B2 (en) * 2019-08-20 2021-10-26 International Business Machines Corporation Magnetic recording layer formulation for tape media
US11790942B2 (en) 2019-08-20 2023-10-17 International Business Machines Corporation Process for forming magnetic recording layer for tape media

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929659A (en) * 1973-06-18 1975-12-30 Du Pont Crosslinked rubber/resin binders for chromium dioxide recording members
US4286022A (en) * 1979-01-19 1981-08-25 Minnesota Mining And Manufacturing Company Coating of fine particles in polyurethane block copolymer binder
US4284750A (en) * 1980-06-20 1981-08-18 Morton-Norwich Products, Inc. Polyurethane resins
US4303738A (en) * 1980-07-28 1981-12-01 International Business Machines Corporation Magnetic media having tridecyl stearate lubricant
DE3207293A1 (de) * 1981-03-03 1982-11-04 Memorex Corp., 95052 Santa Clara, Calif. Bindemittelschicht fuer magnetaufzeichnungsbaender
JPS595612B2 (ja) * 1981-03-05 1984-02-06 大日本インキ化学工業株式会社 新規な熱可塑性ポリウレタン樹脂の製造法
DE3127884A1 (de) * 1981-07-15 1983-02-03 Agfa-Gevaert Ag, 5090 Leverkusen Magnetisches speichermedium
US4525424A (en) * 1983-12-30 1985-06-25 International Business Machines Corporation Flexible magnetic recording media having a polyester-polyurethane binder and chromium dioxide pigment

Also Published As

Publication number Publication date
DE3570544D1 (en) 1989-06-29
ES8800973A1 (es) 1987-12-01
JPS61231050A (ja) 1986-10-15
EP0197195B1 (en) 1989-05-24
US4568611A (en) 1986-02-04
EP0197195A2 (en) 1986-10-15
ES553654A0 (es) 1987-12-01
JPH0581969B2 (pt) 1993-11-17
AU5183886A (en) 1986-10-09
JPH04228109A (ja) 1992-08-18
JPH0458834B2 (pt) 1992-09-18
EP0197195A3 (en) 1988-01-07
AU578992B2 (en) 1988-11-10
CA1274642A (en) 1990-09-25

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 02/04/2001