G11B5/7021 - CPC Classification Index

ClassID:

197927 ⎘

G11B5/7021 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; 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

Sub-classes:

G11B5/7022 » {containing mixtures of polyurethanes or polyisocyanates with other polymers} 29

Recent Application in this class:

20240119963

2024-04-11

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS

20240105223

2024-03-28

MAGNETIC TAPE, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC TAPE APPARATUS

20230386515

2023-11-30

MAGNETIC RECORDING MEDIUM, MAGNETIC TAPE CARTRIDGE, AND MAGNETIC RECORDING AND REPRODUCING DEVICE

20220005504

2022-01-06

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

20210082463

2021-03-18

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

20210020195

2021-01-21

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

20200312362

2020-10-01

Magnetic recording medium including compound having a salt structure and magnetic recording and reproducing apparatus

20200126589

2020-04-23

Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus

20200035267

2020-01-30

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

#10

20200035265

2020-01-30

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

#11

20170349691

2017-12-07

COMPOSITION FOR MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM

#12

20170287518

2017-10-05

Magnetic recording medium having specified polyester resin additive and magnetic recording medium composition

#13

20170092316

2017-03-30

Metal oxide particle dispersion for manufacturing particulate magnetic recording medium, method of manufacturing magnetic layer-forming composition of particulate magnetic recording medium and method of manufacturing particulate magnetic recording medium

#14

20150279404

2015-10-01

Magnetic recording medium and magnetic coating composition for magnetic recording medium

#15

20150093599

2015-04-02

Composition for magnetic recording medium and magnetic recording medium

#16

20150064500

2015-03-05

Composition for magnetic recording medium and magnetic recording medium

#17

20130184426

2013-07-18

Mixture comprising sulfonate group-containing compound and method of manufacturing the same, solution composition, polyurethane resin and method of manufacturing the same, and magnetic recording medium

#18

20110111258

2011-05-12

Radiation-curable vinyl chloride copolymer, radiation-curable composition, and magnetic recording medium

#19

20110076517

2011-03-31

Binder composition for magnetic recording medium and magnetic recording medium

#20

20110027620

2011-02-03

RADIATION-CURABLE POLYURETHANE RESIN COMPOSITION AND MAGNETIC RECORDING MEDIUM USING THE SAME

#21

20100273029

2010-10-28

#22

20100247972

2010-09-30

Magnetic recording medium

#23

20100055505

2010-03-04

MAGNETIC RECORDING MEDIUM, BINDER FOR MAGNETIC RECORDING MEDIUM, AND POLYURETHANE RESIN

#24

20090258254

2009-10-15

Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording medium

#25

20090246560

2009-10-01

Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material

#26

20090098414

2009-04-16

METHOD OF MANUFACTURING MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM MANUFACTURED BY THE SAME

#27

20090087689

2009-04-02

MAGNETIC RECORDING MEDIUM

#28

20090087687

2009-04-02

Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording medium

#29

20080187784

2008-08-07

MAGNETIC RECORDING MEDIUM

#30

20080187783

2008-08-07

MAGNETIC RECORDING MEDIUM

#31

20070065684

2007-03-22

Magnetic recording medium

#32

20060222906

2006-10-05

Radiation curing polyurethane resin for magnetic recording medium, method of manufacturing radiation curing polyurethane resin for magnetic recording medium, and magnetic recording medium

#33