ES2124806T3 - Medios de registro magneticos. - Google Patents
Medios de registro magneticos.Info
- Publication number
- ES2124806T3 ES2124806T3 ES94104453T ES94104453T ES2124806T3 ES 2124806 T3 ES2124806 T3 ES 2124806T3 ES 94104453 T ES94104453 T ES 94104453T ES 94104453 T ES94104453 T ES 94104453T ES 2124806 T3 ES2124806 T3 ES 2124806T3
- Authority
- ES
- Spain
- Prior art keywords
- magnetic
- resin
- copolymeric resin
- registration media
- magnetic registration
- 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 - Lifetime
Links
- 229920001577 copolymer Polymers 0.000 abstract 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 abstract 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract 1
- 239000008199 coating composition Substances 0.000 abstract 1
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000002952 polymeric resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 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
- G11B5/702—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
-
- 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
- G11B5/7023—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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
-
- 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
-
- 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
-
- 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]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
ESTA INVENCION SE REFIERE A COMPOSICIONES DE REVESTIMIENTO USADAS PARA FORMAR UNA CAPA MAGNETICA SOBRE LA SUPERFICIE DE SUSTRATOS PARA PREPARAR MEDIOS DE GRABACION MAGNETICA, POR EJEMPLO CINTAS DE GRABACION, DE LOS CUALES EL INGREDIENTE CARACTERISTICO ES UNA RESINA COPOLIMERICA. LA RESINA COPOLIMERICA ES UN COPOLIMERO OBTENIDO POR LA COPOLIMERIZACION DE COMONOMEROS EN UNA PROPORCION ESPECIFICA QUE COMPRENDE (1) CLORURO DE VINILO, (2) ACETATO DE VINILO, Y (3) UNA UNIDAD DE ACRILATO O METACRILATO QUE TIENE UN GRUPO DE ACIDO SULFONICO O UN METAL O SAL DE AMINA DE ESTE. ESTA RESINA POLIMERICA ES VENTAJOSA RESPECTO DE LA OBTENCION DE CARACTERISTICAS DE PROPIEDAD MAGNETICA Y DE DISPERSION MEJORADA MIENTRAS QUE TAMBIEN TIENE CARACTERISTICAS REOLOGICAS DESEABLES Y UNA ESTABILIDAD TERMICA
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3497393A | 1993-03-22 | 1993-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2124806T3 true ES2124806T3 (es) | 1999-02-16 |
Family
ID=21879823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94104453T Expired - Lifetime ES2124806T3 (es) | 1993-03-22 | 1994-03-21 | Medios de registro magneticos. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5531914A (es) |
| EP (1) | EP0626678B1 (es) |
| JP (1) | JPH06340715A (es) |
| KR (1) | KR100232244B1 (es) |
| CN (1) | CN1052026C (es) |
| CA (1) | CA2119498A1 (es) |
| DE (1) | DE69413598T2 (es) |
| ES (1) | ES2124806T3 (es) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068132C (zh) * | 1996-02-02 | 2001-07-04 | 刘中原 | 用于涂布高矫顽力预付磁卡的磁浆及其制备方法 |
| US6455146B1 (en) | 2000-10-31 | 2002-09-24 | Sika Corporation | Expansible synthetic resin baffle with magnetic attachment |
| US20040209016A1 (en) * | 2001-07-18 | 2004-10-21 | Tadashi Ishida | Recording medium excellent in light-resistance and method for production thereof |
| US20060283989A1 (en) * | 2005-06-20 | 2006-12-21 | David B. Lytle Products, Inc. | Method and device for applying wall coatings |
| JP5298455B2 (ja) * | 2006-06-07 | 2013-09-25 | コニカミノルタ株式会社 | 非水系インクジェットインク及びインクジェット記録方法 |
| JP2008274034A (ja) * | 2007-04-26 | 2008-11-13 | Konica Minolta Ij Technologies Inc | 非水系インクジェットインク及びインクジェット記録方法 |
| JP5245361B2 (ja) * | 2007-11-06 | 2013-07-24 | コニカミノルタIj株式会社 | 非水系インクジェットインク及びインクジェット記録方法 |
| JP5176670B2 (ja) * | 2008-04-23 | 2013-04-03 | コニカミノルタIj株式会社 | 非水系インクジェットインク及びインクジェット記録方法 |
| CN101735367B (zh) | 2008-11-24 | 2011-05-25 | 中国石油天然气股份有限公司 | 一种纳米磁性聚合物复合微球的制备方法 |
| CN103333281B (zh) * | 2013-06-20 | 2015-07-15 | 无锡洪汇新材料科技股份有限公司 | 输血管/输液袋用树脂及其制备方法 |
| CN109735215B (zh) * | 2018-12-19 | 2021-04-13 | 北矿科技股份有限公司 | 一种磁性层及其制备方法 |
Family Cites Families (95)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607710A (en) * | 1949-04-02 | 1952-08-19 | Minnesota Mining & Mfg | Abrasion-resistant magnetic recording tape |
| US3983302A (en) * | 1972-05-01 | 1976-09-28 | Cbs Inc. | Magnetic recording medium |
| US4152485A (en) * | 1977-08-05 | 1979-05-01 | Toyo Boseki Kabushiki Kaisha | Magnetic recording medium |
| JPS54119904A (en) * | 1978-03-10 | 1979-09-18 | Tdk Corp | Magnetic recording medium |
| JPS54138409A (en) * | 1978-04-19 | 1979-10-26 | Tdk Corp | Magnetic recording medium |
| JPS5570936A (en) * | 1978-11-24 | 1980-05-28 | Tdk Corp | Magnetic recording media |
| JPS567233A (en) * | 1979-06-25 | 1981-01-24 | Tdk Corp | Magnetic recording medium |
| JPS5845086B2 (ja) * | 1979-08-17 | 1983-10-07 | ティーディーケイ株式会社 | 磁気記録媒体 |
| US4436875A (en) * | 1979-10-25 | 1984-03-13 | The Dow Chemical Company | Curable polymeric compositions |
| JPS56137522A (en) * | 1980-03-26 | 1981-10-27 | Fuji Photo Film Co Ltd | Magnetic recording material |
| JPS5727429A (en) * | 1980-07-22 | 1982-02-13 | Tdk Corp | Magnetic recording medium |
| JPS5730121A (en) * | 1980-07-31 | 1982-02-18 | Tdk Corp | Magnetic recording medium |
| JPS57133521A (en) * | 1981-02-10 | 1982-08-18 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS57169926A (en) * | 1981-04-14 | 1982-10-19 | Tdk Corp | Magnetic recording medium |
| JPS57179943A (en) * | 1981-04-27 | 1982-11-05 | Tdk Corp | High-density magnetic recording medium |
| JPS5812131A (ja) * | 1981-07-13 | 1983-01-24 | Sony Corp | 磁気記録媒体 |
| DE3232008A1 (de) * | 1981-09-03 | 1983-03-10 | TDK Electronics Co., Ltd., Tokyo | Magnetischer aufzeichnungstraeger |
| US4423115A (en) * | 1981-10-23 | 1983-12-27 | Tdk Electronics Co., Ltd. | Magnetic recording medium |
| US4460653A (en) * | 1981-11-16 | 1984-07-17 | Tdk Corporation | Magnetic recording medium |
| JPS58114330A (ja) * | 1981-12-28 | 1983-07-07 | Denki Kagaku Kogyo Kk | 磁気記録媒体用磁性塗料 |
| JPS58182130A (ja) * | 1982-04-20 | 1983-10-25 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS58211320A (ja) * | 1982-06-03 | 1983-12-08 | Fuji Photo Film Co Ltd | 磁気記録体 |
| JPS595423A (ja) * | 1982-07-01 | 1984-01-12 | Sony Corp | 磁気記録媒体 |
| JPS595424A (ja) * | 1982-07-01 | 1984-01-12 | Sony Corp | 磁気記録媒体 |
| JPS5924435A (ja) * | 1982-07-30 | 1984-02-08 | Fuji Photo Film Co Ltd | 磁気記録体 |
| JPS5930234A (ja) * | 1982-08-10 | 1984-02-17 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| EP0105471B1 (en) * | 1982-09-30 | 1987-09-09 | Hitachi Maxell Ltd. | Magnetic recording medium |
| JPS5971129A (ja) * | 1982-10-18 | 1984-04-21 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS59104725A (ja) * | 1982-12-06 | 1984-06-16 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| US4576726A (en) * | 1983-01-25 | 1986-03-18 | Toyo Tire & Rubber Company Limited | Magnetic coating composition |
| JPH0654536B2 (ja) * | 1983-02-04 | 1994-07-20 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JPS59175022A (ja) * | 1983-03-25 | 1984-10-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| DE3413080A1 (de) * | 1983-04-07 | 1984-10-11 | Fuji Photo Film Co., Ltd., Minamiashigara, Kanagawa | Magnetisches aufzeichnungsmaterial |
| JPS59186121A (ja) * | 1983-04-07 | 1984-10-22 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS59218632A (ja) * | 1983-05-27 | 1984-12-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS6043218A (ja) * | 1983-08-18 | 1985-03-07 | Fuji Photo Film Co Ltd | 磁気記録体 |
| JPS6055513A (ja) * | 1983-09-05 | 1985-03-30 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS6055511A (ja) * | 1983-09-06 | 1985-03-30 | Toshiba Corp | 磁気記録媒体 |
| JPS6057527A (ja) * | 1983-09-08 | 1985-04-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS6079522A (ja) * | 1983-10-04 | 1985-05-07 | Sony Corp | 磁気記録媒体 |
| JPS6095722A (ja) * | 1983-10-28 | 1985-05-29 | Sony Corp | 磁気記録媒体 |
| JPS6098520A (ja) * | 1983-11-01 | 1985-06-01 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS60101161A (ja) * | 1983-11-08 | 1985-06-05 | Nippon Zeon Co Ltd | 磁気塗料用樹脂 |
| JPS60125920A (ja) * | 1983-12-09 | 1985-07-05 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS60144311A (ja) * | 1983-12-29 | 1985-07-30 | Nisshin Kagaku Kogyo Kk | 合成樹脂の製造方法 |
| DE3401771A1 (de) * | 1984-01-19 | 1985-08-01 | Agfa-Gevaert Ag, 5090 Leverkusen | Magnetisches speichermedium |
| JPH0619822B2 (ja) * | 1984-04-19 | 1994-03-16 | ティーディーケイ株式会社 | 磁気記録媒体 |
| JPS60235814A (ja) * | 1984-05-08 | 1985-11-22 | Nippon Zeon Co Ltd | 磁性塗料用樹脂 |
| JPS6116016A (ja) * | 1984-07-02 | 1986-01-24 | Tdk Corp | 磁気記録媒体 |
| US4600521A (en) * | 1984-10-09 | 1986-07-15 | Nippon Zeon Co., Ltd. | Electron-beam reactive magnetic coating composition for magnetic recording media |
| JPS61113125A (ja) * | 1984-11-06 | 1986-05-31 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| DE3602257C2 (de) * | 1985-01-28 | 1995-06-14 | Hitachi Maxell | Magnetisches Aufzeichnungsmedium |
| US4748081A (en) * | 1985-02-23 | 1988-05-31 | Victor Company Of Japan, Ltd. | Magnetic recording medium having an improved magnetic layer using particulate alpha-Fe2 O3 and carbon black |
| US4798755A (en) * | 1985-05-01 | 1989-01-17 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| JPS626429A (ja) * | 1985-07-02 | 1987-01-13 | Sony Corp | 磁気記録媒体 |
| US4731292A (en) * | 1985-11-18 | 1988-03-15 | Konishiroku Photo Industry Co., Ltd. | Magnetic recording medium |
| US4743501A (en) * | 1985-11-27 | 1988-05-10 | Tdk Corporation | Magnetic recording medium |
| JPS62146432A (ja) * | 1985-12-20 | 1987-06-30 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS62146433A (ja) * | 1985-12-20 | 1987-06-30 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS62159335A (ja) * | 1986-01-08 | 1987-07-15 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| US5034271A (en) * | 1986-02-28 | 1991-07-23 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| JPH0752504B2 (ja) * | 1986-04-18 | 1995-06-05 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JPS62248126A (ja) * | 1986-04-19 | 1987-10-29 | Fuji Photo Film Co Ltd | 長尺状磁気記録媒体 |
| JPH0743818B2 (ja) * | 1986-05-07 | 1995-05-15 | 松下電器産業株式会社 | 磁気記録媒体 |
| US4783370A (en) * | 1986-05-28 | 1988-11-08 | Minnesota Mining And Manufacturing Company | Recording media containing alkyl acrylate copolymers |
| US4837082A (en) * | 1986-07-31 | 1989-06-06 | Minnesota Mining And Manufacturing Company | Flexible magnetic recording media and a method using a stable fluid reactive dispersion to prepare magnetic recording media |
| US4876149A (en) * | 1986-07-31 | 1989-10-24 | Minnesota Mining And Manufacturing Company | Magnetic recording media and a method using a stable fluid reactive dispersion in preparing magnetic recording media |
| JPH0785305B2 (ja) * | 1986-08-05 | 1995-09-13 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JPS6384879A (ja) * | 1986-09-25 | 1988-04-15 | Fuji Photo Film Co Ltd | 研磨テ−プ |
| US4847156A (en) * | 1986-10-20 | 1989-07-11 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| US4801505A (en) * | 1986-10-20 | 1989-01-31 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| JPH0626006B2 (ja) * | 1987-03-25 | 1994-04-06 | 富士写真フイルム株式会社 | 研磨テ−プ |
| JPS63261529A (ja) * | 1987-04-20 | 1988-10-28 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| US5153063A (en) * | 1987-04-22 | 1992-10-06 | Fuji Photo Film Co., Ltd. | Magnetic recording medium having a vinyl-chloride resin and a urethane resin binder system each of which resins contain three percent or less of a low molecular weight resin fraction |
| JPH0679370B2 (ja) * | 1987-05-06 | 1994-10-05 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| US5024892A (en) * | 1987-05-08 | 1991-06-18 | Fuji Photo Film Co., Ltd. | Magnetic recording medium having a binder comprising a copolymer which includes a vinyl compound having a dialkylaminoalkyl group |
| JPS6439624A (en) * | 1987-08-06 | 1989-02-09 | Nisshin Kagaku Kogyo Kk | Binder resin for magnetic recording medium |
| JP2646244B2 (ja) * | 1987-09-21 | 1997-08-27 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JP2502639B2 (ja) * | 1987-12-09 | 1996-05-29 | 日信化学工業株式会社 | 磁気記録媒体 |
| US5153071A (en) * | 1988-04-19 | 1992-10-06 | Fuji Photo Film Co., Ltd. | Magnetic recording medium wherein the magnetic layer has as the binder system a vinyl chloride copolymer and a polyether polyurethane resin which contains a ring structure |
| JP2843038B2 (ja) * | 1988-09-24 | 1999-01-06 | 日立マクセル株式会社 | 磁気記録媒体 |
| US4983311A (en) * | 1988-10-26 | 1991-01-08 | Nippon Zeon Co., Ltd. | Magnetic coating and magnetic recording medium |
| JP2655340B2 (ja) * | 1989-02-28 | 1997-09-17 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JP2821755B2 (ja) * | 1989-02-28 | 1998-11-05 | 日本ゼオン株式会社 | 磁気記録媒体 |
| US5085941A (en) * | 1989-03-01 | 1992-02-04 | Minnesota Mining And Manufacturing Company | Magnetic recording medium with hydroxy functional, sulfonated binder system |
| US5093192A (en) * | 1989-03-28 | 1992-03-03 | Konica Corporation | Magnetic recording medium |
| DE4009996C2 (de) * | 1989-03-29 | 1999-07-01 | Sony Corp | Magnetisches Aufzeichnungsmedium |
| JPH031315A (ja) * | 1989-05-29 | 1991-01-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JP2632214B2 (ja) * | 1989-06-08 | 1997-07-23 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JP2707322B2 (ja) * | 1989-06-09 | 1998-01-28 | 富士写真フイルム株式会社 | フロッピーディスク |
| US5116683A (en) * | 1989-06-14 | 1992-05-26 | Konica Corporation | Magnetic recording medium containing a specified ferromagnetic powder, polyurethane resin prepared from specified branched chain diols and a fatty acid ester |
| US5093172A (en) * | 1989-06-26 | 1992-03-03 | Fuji Photo Film Co., Ltd. | Magnetic recording medium comprising a vinyl chloride copolymer containing a polar group and a polyurethane containing a polar group and specified aromatic or alicyclic units |
| JP2835747B2 (ja) * | 1989-09-14 | 1998-12-14 | コニカ株式会社 | 磁気記録媒体 |
| JP2717586B2 (ja) * | 1989-12-28 | 1998-02-18 | コニカ株式会社 | 磁気記録媒体 |
| JP2850028B2 (ja) * | 1989-12-28 | 1999-01-27 | コニカ株式会社 | 磁気記録媒体 |
-
1994
- 1994-03-21 EP EP94104453A patent/EP0626678B1/en not_active Expired - Lifetime
- 1994-03-21 DE DE69413598T patent/DE69413598T2/de not_active Expired - Fee Related
- 1994-03-21 CA CA002119498A patent/CA2119498A1/en not_active Abandoned
- 1994-03-21 CN CN94104825A patent/CN1052026C/zh not_active Expired - Fee Related
- 1994-03-21 KR KR1019940005591A patent/KR100232244B1/ko not_active Expired - Fee Related
- 1994-03-21 ES ES94104453T patent/ES2124806T3/es not_active Expired - Lifetime
- 1994-03-22 JP JP6073761A patent/JPH06340715A/ja active Pending
-
1995
- 1995-01-06 US US08/369,302 patent/US5531914A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2119498A1 (en) | 1994-09-23 |
| EP0626678B1 (en) | 1998-09-30 |
| EP0626678A2 (en) | 1994-11-30 |
| CN1093726A (zh) | 1994-10-19 |
| DE69413598T2 (de) | 1999-03-04 |
| KR100232244B1 (ko) | 1999-12-01 |
| CN1052026C (zh) | 2000-05-03 |
| EP0626678A3 (en) | 1995-01-11 |
| DE69413598D1 (de) | 1998-11-05 |
| KR940022407A (ko) | 1994-10-20 |
| JPH06340715A (ja) | 1994-12-13 |
| US5531914A (en) | 1996-07-02 |
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