| Patent Number |
Title Of Patent |
Date Issued |
| 4740420 |
Recording medium for ink-jet printing |
April 26, 1988 |
| A recording medium for ink-jet printing comprising a support material containing at least in the surface portion thereof a water-soluble metal salt with the ion valence of the metal thereof being 2 to 4 and a cationic organic material. |
| 4620876 |
Aqueous ink for ink-jet printing |
November 4, 1986 |
| An aqueous ink for ink-jet printing comprising at least a water-soluble dye, a water-soluble organic solvent, a water-soluble preservative and anti-mold agent, and water, wherein(1) the water-soluble dye is a mixture of dye compounds I and II and/or III, the peak ratio of I/II and/or III |
| 4554555 |
Recording method by use of inks |
November 19, 1985 |
| A recording method by use of an ink is disclosed, in which images are formed by an aqueous ink comprising at least one dye selected from the group consisting of a pyrazolone azo dye, a phthalocyanine sulfonate dye, a xanthene dye and an azo dye on a recording medium containing at least |
| 4508570 |
Aqueous ink for ink-jet printing |
April 2, 1985 |
| An aqueous ink for ink-jet printing comprises as its main components (i) a water-soluble direct dye and/or acid dye, (ii) a polyhydric alcohol and/or an alkyl ether thereof, (iii) water, and (iv) at least one water-soluble non-ionic surface active agent selected from the group consisting |
| 4504844 |
Ink jet printing apparatus |
March 12, 1985 |
| An on-demand type ink jet printing apparatus which prints out data in various forms such as characters and numerals by the combination of dots formed by ink droplets on a sheet of paper. An ink ejection head of the printer includes control electrodes disposed in at least one ink pass |
| 4455168 |
Aqueous ink for ink-jet printing |
June 19, 1984 |
| An aqueous ink for ink-jet printing comprises a water-soluble dye, water and a compound selected from the group consisting and the compounds of formula (I) and the compounds of formula (II): ##STR1## wherein X.sup.1 represents ##STR2## in which R, R.sup.1, R.sup.2 and R.sup.3 |
| 4445124 |
Ink jet recording process |
April 24, 1984 |
| An ink jet recording process comprising jetting aqueous ink through a narrow nozzle, recovering the unused aqueous ink that has not reached the surface of an object to be recorded within an ink jet printer and then circulating it for re-use, characterized in that said aqueous ink is |
| 4251827 |
Wet type direct recording method |
February 17, 1981 |
| The wet type direct recording method and apparatus is disclosed in which a liquid oil phase is formed in advance on the surface of a recording sheet, and the oil phase is then brought into contact with the aqueous phase comprising an aqueous colored liquid, and a signal voltage containin |
| 4218691 |
Recording apparatus with improved counter electrode |
August 19, 1980 |
| The recording apparatus of a type adopting a non-impact recording method comprises a recording electrode and a toner-bearing counter electrode, which are disposed with a predetermined gap therebetween, and recording is performed on a recording sheet, while the sheet is passed through the |
| 4206467 |
Recording method |
June 3, 1980 |
| A recording method wherein electrostatic atomization of a liquid is applied to the phenomenon that when a coloring material solution holding member is partly immersed in a solution of coloring material, the solution juts up from the surface thereof in accordance with the affinity of the |
| 4205320 |
Wet type direct image recording method |
May 27, 1980 |
| A wet type direct image recording method an apparatus wherein an ink/image is formed directly on a surface treated recording material by passing the recording material between an image signal voltage applying electrode and an ink supplier device.The surface of the ink supplier device has |
