| Patent application number | Description | Published |
|---|
| 20090082570 | METHOD OF MANUFACTURING BIPYRIDINIUM COMPOUND AND SYNTHETIC INTERMEDIATE OF THE SAME, METHOD OF MANUFACTURING DYE COMPOUND, AND NOVEL BIPYRIDINIUM COMPOUND AND NOVEL DYE COMPOUND COMPRISING THE SAME - Provided is a method of manufacturing a bipyridinium compound denoted by general formula (A). | 03-26-2009 |
| 20090085002 | METHOD OF MODIFYING SURFACE OF MAGNETIC POWDER AND MAGNETIC COATING MATERIAL - An aspect of the present invention relates to a method of modifying a surface of a magnetic powder, comprising mixing a magnetic powder with a cyclic compound comprising at least one carboxylic group. A further aspect of the present invention relates to a magnetic coating material comprising a magnetic powder and a binder, further comprising a cyclic compound comprising at least one carboxylic group. | 04-02-2009 |
| 20090087684 | METHOD OF MODIFYING SURFACE OF POWDER, MAGNETIC RECORDING MEDIUM, AND COATING MATERIAL - An aspect of the present invention relates to a method of modifying a surface of a powder, comprising mixing a powder with a heterocyclic compound comprising at least one hydroxylic group and/or carboxylic group. The present invention further relates to a magnetic recording medium and a coating material. | 04-02-2009 |
| 20090087687 | SULFONIC ACID POLYOL COMPOUND, POLYURETHANE RESIN, POLYURETHANE RESIN FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM - A compound represented by the Formula below is provided. | 04-02-2009 |
| 20090098414 | METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM MANUFACTURED BY THE SAME - The present invention relates to a method of manufacturing a magnetic recording medium wherein the magnetic layer coating liquid comprising a ferromagnetic powder having an average particle size of 10 to 40 nm and a moisture content of 0.3 to 3.0 weight percent; a binder (a) comprising 0.2 to 0.7 meq/g of at least one polar group selected from the group consisting of —SO | 04-16-2009 |
| 20090246560 | MAGNETIC RECORDING MEDIUM, METHOD OF MODIFYING SURFACE OF MAGNETIC POWDER AND MAGNETIC COATING MATERIAL - An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support, wherein the magnetic layer comprises a compound denoted by general formula (1): | 10-01-2009 |
| 20090247742 | METHOD OF PRODUCING A METAL PHTHALOCYANINE COMPOUND, AND METHOD OF PRODUCING A PHTHALOCYANINE COMPOUND AND AN ANALOGUE THEREOF - A method of producing a metal phthalocyanine compound, which contains: conducting a reaction between at least two compounds selected from among Compounds A to F of formula (I), and a metal compound, in a buffer solution of an organic base or an inorganic base and an acid, in the presence of a dehydrating agent: | 10-01-2009 |
| 20090258254 | SULFONIC ACID POLYOL COMPOUND, POLYURETHANE RESIN, POLYURETHANE RESIN FOR MAGNETIC RECORDING MEDIUM, AND MAGNETIC RECORDING MEDIUM - A compound represented by the Formula below is provided. | 10-15-2009 |
| 20100055505 | MAGNETIC RECORDING MEDIUM, BINDER FOR MAGNETIC RECORDING MEDIUM, AND POLYURETHANE RESIN - An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic power and a binder on a nonmagnetic support, wherein,
| 03-04-2010 |
| 20100239891 | MAGNETIC RECORDING MEDIUM - An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising a ferromagnetic powder and a binder on a nonmagnetic support, wherein the magnetic layer comprises compound A and/or a ring-opened product of compound A. Another aspect of the present invention relates to a magnetic recording medium comprising a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the nonmagnetic layer comprises compound A and/or a ring-opened product of compound A. Compound A comprises a lactone ring substituted with at least one polar group selected from the group consisting of a hydroxyl group, a carboxyl group, and an amino group, or substituted with a substituent comprising the above polar group. | 09-23-2010 |
| 20100240885 | METHOD OF MANUFACTURING PHTHALOCYANINE COMPOUND - Provided is a method of manufacturing a phthalocyanine compound denoted by general formula (3). The method comprises conducting a reaction of a compound denoted by general formula (1) or (2) with a metal and/or metal compound in a solvent in the presence of a secondary amine and/or diamine to obtain the phthalocyanine compound denoted by general formula (3). | 09-23-2010 |
| 20100247972 | MAGNETIC RECORDING MEDIUM - An aspect of the present invention relates to a magnetic recording medium comprising a nonmagnetic layer comprising a nonmagnetic powder and a binder and a magnetic layer comprising a ferromagnetic powder and a binder in this order on a nonmagnetic support, wherein the magnetic layer and/or nonmagnetic layer comprises organic acid A and organic acid B below, with an acid strength pKa(A) of organic acid A and an acid strength pKa(B) of organic acid B satisfying a relation of pKa(A)| 09-30-2010 | |
