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Class Information
Number: 428/844.7
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Binder media > Single magnetic layer > Chemically specified polymer binder > Plural chemically specified polymeric binders in single layer
Description: Subject matter wherein two or more different binders have been chemically identified as present in the magnetic layer.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7115331 |
Magnetic recording medium having narrow pulse width characteristics |
Oct. 3, 2006 |
| 6444306 |
Magnetic recording medium |
Sep. 3, 2002 |
| 6376083 |
Magnetic recording medium |
Apr. 23, 2002 |
| 6265060 |
Magnetic recording medium incorporating fluorine-containing, solvent-soluble vinyl copolymer having no vinyl chloride or vinylidene chloride components |
Jul. 24, 2001 |
| 6114026 |
Coating type magnetic recording medium |
Sep. 5, 2000 |
| 5972515 |
Magnetic recording medium |
Oct. 26, 1999 |
| 5968658 |
Magnetic recording media |
Oct. 19, 1999 |
| 5932340 |
Magnetic recording medium |
Aug. 3, 1999 |
| 5552229 |
Magnetic recording medium containing magnetic material dispersed in a polyurethaneurea-polyurethane binder |
Sep. 3, 1996 |
| 5543226 |
Magnetic recording media |
Aug. 6, 1996 |
| 5534345 |
Magnetic recording medium having an inorganic filler on which a glassy polymer has been adsorbed |
Jul. 9, 1996 |
| 5510187 |
Magnetic recording medium whose magnetic layer incorporates nonhalogenated vinyl copolymer and specified polyurethane polymer |
Apr. 23, 1996 |
| 5458979 |
Magnetic recording medium having a magnetic layer comprising ferromagnetic particles, polyurethane resin and polyvinylacetal resin |
Oct. 17, 1995 |
| 5451464 |
Magnetic recording medium having a magnetic layer comprising ferromagnetic powders and binder which is two polyurethane resins with specified glass transition temperatures |
Sep. 19, 1995 |
| 5424132 |
Magnetic recording media |
Jun. 13, 1995 |
| 5244743 |
Magnetic recording medium comprising a binder mixture of two specified vinyl chloride copolymers |
Sep. 14, 1993 |
| 5153079 |
Magnetic recording medium comprising ferromagnetic powder and polar group containing ginder resins having different glass transition temperatures |
Oct. 6, 1992 |
| 5128215 |
Magnetic recording media binder resin comprising a mixture of a straight block copolymer and a star block copolymer |
Jul. 7, 1992 |
| 5126202 |
Magnetic recording medium containing ferro magnetic powder, polar group containing resins in a specific ratio and carbon black of a specific size range |
Jun. 30, 1992 |
| 5112680 |
Magnetic recording medium |
May. 12, 1992 |
| 5110680 |
Magnetic recording medium |
May. 5, 1992 |
| 5057373 |
Magnetic recording medium |
Oct. 15, 1991 |
| 5026814 |
Fluorinated polyurethanes endowed with improved mechanical properties, containing rubber-like polyoxyperfluoroalkylene-structure blocks and hydrogenated rigid blocks |
Jun. 25, 1991 |
| 5021292 |
Magnetic recording medium and magnetic coating composition therefor |
Jun. 4, 1991 |
| 5006406 |
Magnetic recording media |
Apr. 9, 1991 |
| 4970121 |
Magnetic recording medium |
Nov. 13, 1990 |
| 4944802 |
High coercivity magnetic inks and method for making same |
Jul. 31, 1990 |
| 4876149 |
Magnetic recording media and a method using a stable fluid reactive dispersion in preparing magnetic recording media |
Oct. 24, 1989 |
| 4861655 |
Thermoplastic magnetic coating composition |
Aug. 29, 1989 |
| 4837082 |
Flexible magnetic recording media and a method using a stable fluid reactive dispersion to prepare magnetic recording media |
Jun. 6, 1989 |
| 4789581 |
Magnetic recording medium |
Dec. 6, 1988 |
| 4784907 |
Magnetic recording medium |
Nov. 15, 1988 |
| 4783370 |
Recording media containing alkyl acrylate copolymers |
Nov. 8, 1988 |
| 4759980 |
Magnetic recording medium having two types of polyester binders in a magnetic recording layer |
Jul. 26, 1988 |
| 4748084 |
Magnetic recording medium |
May. 31, 1988 |
| 4728577 |
Magnetic recording medium |
Mar. 1, 1988 |
| 4699817 |
Magnetic recording medium |
Oct. 13, 1987 |
| 4689269 |
Magnetic recording medium comprising a specific type of copolymer binder |
Aug. 25, 1987 |
| 4673622 |
Magnetic recording medium |
Jun. 16, 1987 |
| 4664981 |
Magnetic recording medium |
May. 12, 1987 |
| 4664979 |
Magnetic recording medium |
May. 12, 1987 |
| 4643947 |
Magnetic recording material |
Feb. 17, 1987 |
| 4634632 |
Magnetic recording medium |
Jan. 6, 1987 |
| 4600650 |
Magnetic recording medium |
Jul. 15, 1986 |
| 4597990 |
Preparation of magnetic recording media |
Jul. 1, 1986 |
| 4596739 |
Rigid magnetic recording media |
Jun. 24, 1986 |
| 4587170 |
Magnetic recording medium |
May. 6, 1986 |
| 4568610 |
Magnetic recording media |
Feb. 4, 1986 |
| 4567108 |
Magnetic recording media |
Jan. 28, 1986 |
| 4555449 |
Magnetic recording medium |
Nov. 26, 1985 |
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