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Class Information
Number: 428/844.5
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Binder media > Single magnetic layer > Chemically specified polymer binder
Description: Subject matter in which the magnetic layer medium has an identified polymeric binder having a specified physical or chemical structure.


Sub-classes under this class:

Class Number Class Name Patents
428/844.7 Plural chemically specified polymeric binders in single layer 85
428/844.8 Polyurethane binder 81
428/844.6 Radiation cured (i.e., cross linked) binder 54
428/844.9 Vinyl chloride binder 51


Patents under this class:
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Patent Number Title Of Patent Date Issued
7477444 Electro-optic display and materials for use therein Jan. 13, 2009
7381483 Core having magnetic properties Jun. 3, 2008
7144643 Magnetic recording medium Dec. 5, 2006
7128989 Magnetic recording medium Oct. 31, 2006
6800804 Epoxy resin composition used for encapsulating semiconductor and semiconductor device using the composition Oct. 5, 2004
6790378 Coating composition having magnetic properties Sep. 14, 2004
6677036 Method for producing magnetic recording medium and magnetic recording medium Jan. 13, 2004
6623849 Magnetic recording medium Sep. 23, 2003
6379774 Composite polyester film and magnetic recording medium Apr. 30, 2002
6296996 Transparent magnetic recording medium Oct. 2, 2001
6099973 Pressure-sensitive magnetic transfer recording medium Aug. 8, 2000
6037070 Magnetic recording medium and method for manufacturing binder for magnetic recording medium Mar. 14, 2000
5935703 Magnetic recording medium and binder for use with magnetic coating in the magnetic recording medium Aug. 10, 1999
5780167 Magnetic recording medium having a binder comprising a star block polymer with dispersing groups Jul. 14, 1998
5762263 Product container containing a magnetic identifier Jun. 9, 1998
5756637 Polymeric materials suitable as dispersing resins May. 26, 1998
5573897 Method of applying a transparent magnetic layer to a web or sheet material Nov. 12, 1996
5556698 Magnetic recording medium having a binder containing aminoalkylphosphonate salt functional groups Sep. 17, 1996
5523153 Magnetic recording medium Jun. 4, 1996
5523115 Magnetic recording medium having radiation curable binder with .alpha.-methylstyrene unsaturation Jun. 4, 1996
5520954 Method of making transparent magnetic recording layers May. 28, 1996
5487951 Magnetic recording medium with a binder resin of a starblock copolymer having at least six arms Jan. 30, 1996
5484661 Magnetic recording medium having a polyvinyl alkyl binder resin Jan. 16, 1996
5475066 Reactive amino-quinones, copolymers thereof and corrosion resistant information storage devices Dec. 12, 1995
5457012 Transparent film-forming aqueous compositions for magnetic recording Oct. 10, 1995
5434037 Photographic element having a transparent magnetic recording layer Jul. 18, 1995
5422193 Magnetic recording medium Jun. 6, 1995
5411798 Magnetic recording sheet comprising a gel binder May. 2, 1995
5320769 Magnetic paint and magnetic recording medium Jun. 14, 1994
5320914 Magnetic recording medium comprising a styrene copolymer or an acrylic copolymer Jun. 14, 1994
5273830 Magnetic recording medium comprising a syndiotactic styrene-based polymer substrate, a magnetic layer and a backcoat lubricating layer each layer containing a curable phosphazine compound Dec. 28, 1993
5178947 Magnetizable composite microspheres based on a crosslinked organosilicon polymer Jan. 12, 1993
5098785 Magnetic recording medium containing a copolymer having an anionic functional group which forms an intermolecular salt Mar. 24, 1992
5091238 Floppy disk comprising a cellulosic resin with a polar group in a side chain and perromagnetic particles of a specific surface area Feb. 25, 1992
5061570 Magnetic recording medium comprising magnetic particles and a polyester resin having an iminosulfonyl group Oct. 29, 1991
5061577 Magnetic coating compositions containing fluoropolyols Oct. 29, 1991
5051319 Magnetic recording tape containing low levels of compounds with molecular weights between specified limits determined from gel permeation chromatography of tape extract Sep. 24, 1991
5030332 Method for making magnetic oxide precipitates Jul. 9, 1991
4842942 Magnetic recording medium Jun. 27, 1989
4830923 Magnetic recording medium May. 16, 1989
4762865 Epoxy coatings for computer hard disks and metal coil decoration and protection Aug. 9, 1988
4762875 Water based printing inks for plastic and metal surfaces Aug. 9, 1988
4741977 Magnetic sheet May. 3, 1988
4715977 Magnetic coating compositions from carboxylic acid-grafted phenoxy resins Dec. 29, 1987
4711817 Carboxylic acid-grafted phenoxy resins Dec. 8, 1987
4661411 Method for depositing a fluorocarbonsulfonic acid polymer on a support from a solution Apr. 28, 1987
4652388 Magnetic tapes Mar. 24, 1987
4637964 Magnetic recording medium Jan. 20, 1987
4613545 Magnetic recording medium Sep. 23, 1986
4605597 Magnetic recording medium Aug. 12, 1986

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