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| Number | Title | Issue Date |
| 5277984 | Magnetic recording medium comprising ferromagnetic powder, a silane compound, and a binder comprising an epoxy group and specified functional group A magnetic recording medium which comprises a magnetic layer is prepared by a dispersion of a powder of a ferromagnetic material in a binding material which is a macromolecular compound comprising an epoxy group, followed by addition to the dispersion of ... | 01/11/1994 |
| 5151333 | Magnetic recording medium comprising a magnetic layer or backcoat layer containing a specified dispersant Disclosed is a magnetic recording medium comprising a non-magnetic support and a magnetic layer composed mainly of a ferromagnetic powder and a binder, which is formed on one surface of the support, and an optional backcoat layer composed mainly of a non-... | 09/29/1992 |
| 5106669 | Magnetic thermal transfer ribbon A magnetic thermal transfer ribbon includes a substrate and a thermal sensitive coating which is a mixture and essentially consists of a fatty alcohol, a water base latex, an intensifying dye, an adhesive, and a surface agent along with iron oxide, and th... | 04/21/1992 |
| 5079086 | Magnetic recording media The magnetic recording layer of a recording medium contains a film-forming resin, magnetic particles, poly(ethyleneimine), and an amionic surfactant.... | 01/07/1992 |
| 5063119 | Magnetic recording medium comprising a fluorine containing oligomer surfactant in or on the magnetic layer A magnetic recording medium comprising a nonmagnetic support having provided thereon a magnetic layer comprising ferromagnetic particles dispersed in a binder, said magnetic layer having therein or on its surface a fluorine-containing oligomer surfactant ... | 11/05/1991 |
| 5047291 | Magnetic thermal transfer ribbon A magnetic thermal transfer ribbon includes a substrate and a thermal sensitive coating which is a mixture and essentially consists of a fatty alcohol, a water base latex, an intensifying dye, an adhesive, and a surface agent along with iron oxide, and th... | 09/10/1991 |
| 4853289 | Magnetic lacquer dispersions, process for their production and their use An improved magnetic dispersion for magnetic recording which comprises magnetic pigment, abrasive, carbon black or another additive for regulating conductivity, binder, solvent, lubricant, and wetting agent, wherein the improvement comprises quantities of... | 08/01/1989 |
| 4732813 | Magnetic recording element A magnetic recording element having a carrier and a magnetic coating provided thereon containing a magnetic pigment, a binder and a dispersing agent which is an amine or amide compound containing a sulfuric or sulfonic acid group.... | 03/22/1988 |
| 4719121 | Method of making a magnetic recording medium and composition An improved dispersant composition for magnetic media, comprising the reaction product of a phosphate ester and a silicon compound, is described. The silicon compound may be selected from diphenysilanediol or a trialkoxysilane having alkyl, alkenyl, haloa... | 01/12/1988 |
| 4640790 | Dispersant composition for magnetic media An improved dispersant for magnetic media, comprising the reaction product of a phosphate ester and an alkali siliconate silylalkylphosphonate, is described. The dispersant can provide comparable magnetic properties in magnetic media at lower levels than ... | 02/03/1987 |
| 4597801 | Silane dispersing agent for magnetic media Ferromagnetic particles are dispersed for use in magnetic coatings by a novel dispersing agent containing either silylated alkylene oxide copolyethers or isocyanatoalkyl silanes in combination with phosphate esters.... | 07/01/1986 |
| 4550054 | Magnetic recording medium A magnetic recording medium comprising a non-magnetic substrate, a magnetic layer comprising ferromagnetic particles, a binder group, and a titanate coupling agent, said binder group comprising at least one polyurethane resin and at least one of a nitroce... | 10/29/1985 |
| 4540627 | Magnetic recording medium Disclosed is a magnetic recording medium which comprises magnetic particles; a phosphate represented by the formula: ##STR1## wherein R1, R2 and R3 may be the same or different and each represent R4 O--CH | 09/10/1985 |
| 4444850 | Magnetic recording medium with titanate coupling agent A magnetic recording medium comprising a non-magnetic base and an overlying magnetic coating having ferromagnetic particles dispersed in a binder is disclosed. The magnetic coating is characterized by further containing a titanate coupling agent.... | 04/24/1984 |
| 4429023 | Magnetic recording medium A method for complexing metal oxide particles in an organic medium is disclosed. The method comprises incorporating into said medium an effective amount of a complexing agent of the formula: ##STR1## wherein R1 is selected from the group c... | 01/31/1984 |
| 4420537 | Magnetic recording medium having cobalt adsorbed iron oxide layer A magnetic recording medium comprises a substrate coated with a magnetic composition comprising a cobalt adsorbed iron oxide powder with a phosphoric ester type anionic surfactant at a ratio of 2 wt. % or more and a binder at a ratio of said iron oxide po... | 12/13/1983 |
| 4334887 | Method for flocculating metal oxide particles in an organic medium A method for complexing metal oxide particles in an organic medium is disclosed. The method comprises incorporating into said medium an effective amount of a complexing agent of the formula: ##STR1## wherein R1 is selected from the group c... | 06/15/1982 |
| 4305995 | Magnetic recording medium A magnetic recording medium comprises a substrate coated with a magnetic layer comprising a magnetic powder, a thermosettable binder and a mixture of sorbitane mono-, di- and tri- higher fatty acid ester surfactants.... | 12/15/1981 |
| 4299882 | Magnetic recording medium and process A magnetic recording medium which comprises a base and a magnetic layer of a magnetic coating composition comprising magnetic particles and a binder provided on said base, characterized in that the magnetic coating composition further comprises a dialkyls... | 11/10/1981 |
| 4289828 | Magnetic recording medium and process A magnetic recording medium made by coating a base with a magnetic coating material which is a dispersion of magnetic particles in a binder of synthetic resins using a polyfunctional aromatic isocyanate as a curing agent, characterized by the addition of ... | 09/15/1981 |
| 4197357 | Magnetic recording element in which a salt of an amine and a phosphoric acid ester are used as a dispersion agent An improved magnetic recording composition employing as a novel dispersion agent a salt of an amine and a mono- or diester of phosphoric acid with a higher olefinic alcohol or alkoxylated derivatives of the same.... | 04/08/1980 |
| 4153754 | Magnetic recording medium in which an N-acylsarcosine derivative is used as a dispersing agent The invention relates to a magnetic recording medium, for example a magnetic tape, which comprises a carrier and a magnetizable coating provided thereon which comprises a binder as well as a magnetic pigment dispersed in the binder by means of a dispersin... | 05/08/1979 |
| 4076890 | Magnetic recording medium A magnetic recording medium comprising a support having thereon a magnetizable recording layer containing a ferromagnetic powder dispersed in a binder, said magnetizable recording layer containing a silane coupling agent.... | 02/28/1978 |
