| Patent Number |
Title Of Patent |
Date Issued |
| 7553565 |
Magnetic recording medium |
June 30, 2009 |
| A magnetic recording medium is provided that includes a support and at least one magnetic layer provided on or above the support, the magnetic layer including a ferromagnetic powder dispersed in a binder and at least one type of compound selected from Formulae (I) to (III) below; ##S |
| 7501194 |
Magnetic recording media with non-magnetic support and radiation cured layer |
March 10, 2009 |
| A magnetic recording medium is provided that includes a non-magnetic support, a radiation-cured layer cured by exposing a layer containing a radiation curing compound to radiation, and a magnetic layer comprising a ferromagnetic powder dispersed in a binder. The radiation-cured layer and |
| 7449257 |
Magnetic recording medium and production process therefor |
November 11, 2008 |
| A magnetic recording medium is provided that includes a non-magnetic support, and at least one magnetic layer provided above the non-magnetic support, the magnetic layer having a ferromagnetic powder dispersed in a binder, all or part of the binder being a polyurethane resin obtained by |
| 7348079 |
Magnetic recording medium |
March 25, 2008 |
| A magnetic recording medium is provided that has on a non-magnetic support, in order, a radiation-cured layer formed by curing a layer containing a radiation curing compound by exposure to radiation, a lower layer having a non-magnetic powder and/or a magnetic powder dispersed in a b |
| 7282279 |
Magnetic recording medium including a radiation-cured material layer having a specified structur |
October 16, 2007 |
| A magnetic recording medium is provided that includes a non-magnetic support and, in order, above the non-magnetic support, a radiation-cured material layer cured by exposing a layer that includes a radiation curable compound to radiation, and a magnetic layer that includes a fine fe |
| 7041395 |
Magnetic recording medium |
May 9, 2006 |
| A magnetic recording medium is provided which includes, in order on a non-magnetic support, a radiation-cured layer formed by curing a layer containing a radiation curing compound by exposure to radiation, a middle layer having a non-magnetic powder dispersed in a binder (1), the middle |
| 6939606 |
Magnetic recording medium |
September 6, 2005 |
| A magnetic recording medium is provided that includes, in order, (1) a non-magnetic support, a radiation-cured layer formed by applying a layer containing a radiation curing compound and curing by exposure to radiation, and a magnetic layer having a ferromagnetic powder dispersed in |
| 6936328 |
Magnetic recording medium |
August 30, 2005 |
| A magnetic recording medium comprising: a support; a subbing layer comprising a radiation-curable resin; a nonmagnetic layer comprising a nonmagnetic powder and a binder; and at least one magnetic layer comprising a ferromagnetic powder and a binder, in this order, wherein the subbin |
| 6815055 |
Magnetic recording medium |
November 9, 2004 |
| A magnetic recording medium is disclosed, comprising a support having thereon a lower layer containing a nonmagnetic powder or a ferromagnetic powder dispersed in a binder, and at least a magnetic layer containing a ferromagnetic powder dispersed in a binder provided on the lower layer, |
| 6773789 |
Magnetic recording medium |
August 10, 2004 |
| A magnetic recording medium is disclosed, comprising an undercoat layer formed by a radiation-curing resin provided on a support and at least magnetic layer containing a ferromagnetic powder and a binder provided thereon, wherein the radiation-curing resin is a compound having an ali |
| 6686073 |
Magnetic recording medium containing specific binder in the magnetic layer and the lower non-mag |
February 3, 2004 |
| A magnetic recording medium containing a support having provided thereon a lower layer containing a nonmagnetic powder and a binder and further provided thereon at least one magnetic layer containing a ferromagnetic powder and a binder. The lower layer can contain as a binder at least a |
| 6610426 |
Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acryla |
August 26, 2003 |
| Provided is a magnetic recording medium achieving high durability, a high degree of smoothness, and a magnetic layer of uniform thickness, and having substantially better electromagnetic characteristics. A magnetic recording medium comprising a nonmagnetic layer comprising a nonmagnetic |
| 6074724 |
Magnetic recording medium |
June 13, 2000 |
| A magnetic recording medium is disclosed, which comprises a support having thereon a magnetic layer comprising a binder and a ferromagnetic powder dispersed therein, wherein said binder comprises a polyurethane resin having at least one cyclic hydrocarbon group and at least one ether |
| 6030689 |
Magnetic recording medium |
February 29, 2000 |
| A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon at least two coating layers which comprise:a lower coating layer mainly comprising (1) at least one particles selected from nonmagnetic particles or soft magnetic particles and (2) a binder, formed |
