专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US3986968A Milled and polar solvent extracted liquid developer 失效
标题翻译：研磨和极性溶剂提取液体开发商
公开(公告)号：US3986968A
公开(公告)日：1976-10-19
申请号：US438897
申请日：1974-02-01
申请人： Yasuo Tamai , Hajime Miyatuka
发明人： Yasuo Tamai , Hajime Miyatuka
IPC分类号： G03G9/12
CPC分类号： G03G9/12
摘要： A liquid developer composition is given whereby a mixture of pigment and resin is milled and washed prior to being dispersed in the carrier liquid.

2. 发明授权

US3968044A Milled liquid developer 失效
标题翻译：研磨液显影剂
公开(公告)号：US3968044A
公开(公告)日：1976-07-06
申请号：US438896
申请日：1974-02-01
申请人： Yasuo Tamai , Hajime Miyatuka
发明人： Yasuo Tamai , Hajime Miyatuka
IPC分类号： G03G9/12 , G03G9/13
CPC分类号： G03G9/122 , G03G9/132 , Y10S430/105
摘要： A liquid developer composition is given whereby a dispersion comprising a milled mixture of graft pigment and alkyd resin is dispersed in an insulating liquid.
摘要翻译：给出液体显影剂组合物，由此将包含接枝颜料和醇酸树脂的研磨混合物的分散体分散在绝缘液体中。

3. 发明授权

US3963486A Electrophotographic imaging process employing epoxy-ester containing liquid developer 失效
标题翻译：使用含环氧酯的液体显影剂的电子照相成像方法
公开(公告)号：US3963486A
公开(公告)日：1976-06-15
申请号：US562298
申请日：1975-03-26
申请人： Yasuo Tamai , Hajime Miyatuka , Satoru Honjo
发明人： Yasuo Tamai , Hajime Miyatuka , Satoru Honjo
IPC分类号： G03G9/13 , G03G13/10
CPC分类号： G03G9/132
摘要： A liquid electrophotographic developer and processes for employing same are disclosed. The developer is composed of a liquid carrier, pigment, and a resin which results in a developed image that is abrasion resistant. The developer contains from 5 to 70% of the resin component which comprises an epoxy-ester.
摘要翻译：公开了一种液体电子照相显影剂及其应用方法。显影剂由液体载体，颜料和树脂组成，导致显影图像耐磨。显影剂含有5-70％的包含环氧酯的树脂组分。

4. 发明授权

US4965125A Magnetic recording medium and the method for preparing the same 失效
标题翻译：磁记录介质及其制备方法
公开(公告)号：US4965125A
公开(公告)日：1990-10-23
申请号：US182672
申请日：1988-04-18
申请人： Kouichi Masaki , Hideaki Kosha , Toshihiko Miura , Yasuo Tamai
发明人： Kouichi Masaki , Hideaki Kosha , Toshihiko Miura , Yasuo Tamai
IPC分类号： C09D5/23 , G11B5/70 , G11B5/708 , G11B5/71 , G11B5/84
CPC分类号： G11B5/708 , G11B5/71 , Y10S428/90 , Y10T428/257 , Y10T428/30
摘要： A magnetic recording medium is described, comprising a non-magnetic support having thereon a magnetic layer containing ferromagnetic particles dispersed in a binder, the ferromagnetic layer containing abrasive agent particles alone or in combination with lubricating agent particles, wherein the weight ratio of (a) the abrasive agent particles which are present, or each of the abrasive agent particles and lubricating agent particles which are present, within 1 .mu.m in a thickness direction from the surface of the magnetic layer to (b) the abrasive agent particles or each of the abrasive agent particles and lubricating agent particles which are present, within the whole magnetic layer is at least 100/(thickness of the magnetic layer -1) % in which the "thickness of the magnetic layer" represents the thickness in ".mu.m" and is 2 .mu.m or more.A method for preparing a magnetic recording medium comprising: coating on a non-magnetic support a first coating composition having ferromagnetic particles dispersed in a binder, and simultaneously or successively coating thereon a second coating composition having a binder in which there is despersed abrasive agent particles alone or in combination with lubricating agent particles.
摘要翻译：描述了一种磁记录介质，其包括其上具有包含分散在粘合剂中的铁磁性颗粒的磁性层的非磁性载体，所述铁磁层单独地包含研磨剂颗粒或与润滑剂颗粒组合，其中（a）存在的研磨剂颗粒或存在的研磨剂颗粒和润滑剂颗粒在从磁性层的表面到厚度方向上的1μm以内，（b）研磨剂颗粒或每个存在于整个磁性层内的研磨剂颗粒和润滑剂颗粒至少为“μm”中的“磁性层的厚度”表示厚度的至少100 /（磁性层的厚度）％），是2亩以上。一种制备磁记录介质的方法，包括：在非磁性载体上涂覆分散在粘合剂中的铁磁颗粒的第一涂料组合物，同时或依次在其上涂覆具有粘合剂的第二涂料组合物，其中存在分散的研磨剂颗粒单独或与润滑剂颗粒组合。

5. 发明授权

US4690857A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4690857A
公开(公告)日：1987-09-01
申请号：US765485
申请日：1985-08-14
申请人： Ryuji Shirahata , Yasuo Tamai
发明人： Ryuji Shirahata , Yasuo Tamai
IPC分类号： G11B5/72
CPC分类号： G11B5/72 , Y10S428/90 , Y10T428/24975 , Y10T428/265 , Y10T428/31504
摘要： A magnetic recording medium comprising a non-magnetic support having provided thereon, in sequence a thin ferromagnetic metal film, and at least one monomolecular layer comprising a saturated fatty acid salt of at least one metal selected from the group consisting of Cd, Co, Mn and Pb, or a polymer of a fatty acid or a derivative thereof.
摘要翻译：一种磁记录介质，包括非磁性载体，其中依次具有薄的铁磁金属膜，和至少一个单分子层，其包含选自Cd，Co，Mn中的至少一种金属的饱和脂肪酸盐和Pb，或脂肪酸或其衍生物的聚合物。

6. 发明授权

US4680225A Magnetic tape having a leader tape 失效
标题翻译：带磁带的磁带
公开(公告)号：US4680225A
公开(公告)日：1987-07-14
申请号：US750358
申请日：1985-07-01
申请人： Hiroshi Ogawa , Chiaki Mizuno , Yasuo Tamai , Koozi Kamiyama
发明人： Hiroshi Ogawa , Chiaki Mizuno , Yasuo Tamai , Koozi Kamiyama
IPC分类号： G11B5/627
CPC分类号： G11B5/627 , Y10S428/90 , Y10T428/265 , Y10T428/31786 , Y10T428/31855
摘要： A magnetic tape having a leader tape excellent in cleaning effect as well as antistatic effect and free from head clogging is provided comprising a coating layer provided on one or both sides of a support, at at least one end of the magnetic tape, in which the coating layer contains, as predominant components, an electrically conductive powder and a binder and the leader tape has a percent photo-transmission of at least 20%.
摘要翻译：提供一种具有清洁效果优异以及抗静电效果且没有头部堵塞的引带的磁带，其包括在磁带的至少一端设置在支撑体的一侧或两侧上的涂层，其中作为主要组分的涂层包含导电粉末和粘合剂，并且引带带具有至少20％的光透射百分比。

7. 发明授权

US4568613A Copolymer binder for a magnetic recording medium 失效
标题翻译：用于磁记录介质的共聚物粘合剂
公开(公告)号：US4568613A
公开(公告)日：1986-02-04
申请号：US486178
申请日：1983-04-18
申请人： Shinji Saito , Hiroshi Ogawa , Yasuo Tamai
发明人： Shinji Saito , Hiroshi Ogawa , Yasuo Tamai
IPC分类号： C09D5/23 , C09D127/04 , C09D127/06 , G11B5/702 , G11B5/70
CPC分类号： G11B5/7023 , Y10S428/90 , Y10T428/31609 , Y10T428/31935
摘要： A magnetic recording medium is disclosed which is comprised of a support base having positioned thereon a magnetic layer having a ferromagnetic powder dispersed in a binder composition. The binder composition is comprised of a vinyl chloride-vinyl alcohol copolymer in an amount of 40 wt % to about 95 wt %. The copolymer contains 1 wt % to less than 8 wt % of vinyl alcohol component and 0 to 2 wt % of vinyl acetate component. By using the binder composition which includes the copolymer the resulting magnetic recording medium have excellent surface smoothness, good dispersion of ferromagnetic powder, excellent electromagnetic properties, as well as excellent running property and durability.
摘要翻译：公开了一种磁记录介质，其包括其上定位有分散在粘合剂组合物中的铁磁粉末的磁性层的支撑基底。粘合剂组合物由40重量％至约95重量％的氯乙烯 - 乙烯醇共聚物组成。共聚物含有1重量％至小于8重量％的乙烯醇组分和0至2重量％的乙酸乙烯酯组分。通过使用包含共聚物的粘合剂组合物，所得到的磁记录介质具有优异的表面光滑度，铁磁粉末的良好分散性，优异的电磁特性，以及优异的运行性能和耐久性。

8. 发明授权

US4492735A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4492735A
公开(公告)日：1985-01-08
申请号：US518844
申请日：1983-08-01
申请人： Hiroshi Ogawa , Yasuo Tamai
发明人： Hiroshi Ogawa , Yasuo Tamai
IPC分类号： C09D5/23 , C09D127/04 , C09D127/06 , C09D175/00 , C09D175/04 , G11B5/702 , B32B27/30
CPC分类号： G11B5/7023 , G11B5/7028 , Y10S428/90 , Y10T428/31573 , Y10T428/31609 , Y10T428/31935 , Y10T428/31942
摘要： A magnetic recording medium having an excellent running property as well as a high durability is provided which comprises a non-magnetic support and a magnetic layer provided thereon in which a ferromagnetic fine powder is dispersed in a binder consisting essentially of a copolymer of vinyl chloride, ethylene, vinyl acetate and vinyl alcohol, optionally with a polyisocyanate.
摘要翻译：提供具有优异的运行性能和高耐久性的磁记录介质，其包括非磁性载体和设置在其上的磁性层，其中铁磁细粉末分散在基本上由氯乙烯，乙烯，乙酸乙烯酯和乙烯醇，任选地与多异氰酸酯。

9. 发明授权

US4409299A Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US4409299A
公开(公告)日：1983-10-11
申请号：US353789
申请日：1982-03-02
申请人： Chiaki Mizuno , Yasuo Tamai , Akira Kasuga
发明人： Chiaki Mizuno , Yasuo Tamai , Akira Kasuga
IPC分类号： C09D5/23 , G11B5/702 , G11B5/70 , B32B27/30 , H01F10/02
CPC分类号： G11B5/7023 , Y10S428/90 , Y10T428/31797 , Y10T428/31935
摘要： A magnetic recording medium comprising a nonmagnetic flexible base and a magnetic recording layer formed thereon which is mainly composed of fine ferromagnetic particles and a binder. The binder contains both a vinyl chloride/vinyl acetate/vinyl alcohol copolymer and a vinyl chloride/vinylidene chloride copolymer.
摘要翻译：一种包括非磁性柔性基底和形成在其上的磁记录层的磁记录介质，其主要由细铁磁颗粒和粘合剂组成。粘合剂含有氯乙烯/乙酸乙烯酯/乙烯醇共聚物和氯乙烯/偏二氯乙烯共聚物。

10. 发明授权

US4308311A Magnetic recording material 失效
标题翻译：磁记录材料
公开(公告)号：US4308311A
公开(公告)日：1981-12-29
申请号：US58709
申请日：1979-07-18
申请人： Hiroshi Ogawa , Masashi Aonuma , Yasuo Tamai
发明人： Hiroshi Ogawa , Masashi Aonuma , Yasuo Tamai
IPC分类号： C09D177/00 , G11B5/73 , G11B5/738 , G11B5/78
CPC分类号： G11B5/7305 , Y10S428/90 , Y10T428/24967 , Y10T428/265 , Y10T428/266 , Y10T428/31 , Y10T428/31728 , Y10T428/31732 , Y10T428/31743
摘要： A magnetic recording material, and, more particularly, a high density magnetic recording material is disclosed having an aromatic polyamide support in which the adhesion between the support and the magnetic recording layer is improved by an undercoating of an alcohol-soluble polyamide resin.
摘要翻译：公开了一种磁记录材料，更具体地说是一种具有芳族聚酰胺载体的高密度磁记录材料，其中通过醇溶性聚酰胺树脂的底涂层改善了载体和磁记录层之间的粘附性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式