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| Number | Title | Issue Date |
| 5608438 | Ink jet recording method and apparatus An ink jet recording method uses a plurality of recording heads, each of which jets droplets of ink of water-soluble dye of different color to record an image on a recording medium. The recording method includes the steps of: jetting a first ink from one ... | 03/04/1997 |
| 5597064 | Electric contact materials, production methods thereof and electric contacts used these The present invention provides inexpensive electric contact materials having higher hardness and higher melting point and being more excellent in the points of wear resistance and environmental resistance over the electric contact materials of Ag type, Au... | 01/28/1997 |
| 5585085 | Removal of water and/or hydrocarbons from hydrogen fluoride A process for removing water and/or carbon compounds from hydrogen fluoride by contacting the hydrogen fluoride to be purified with elemental fluorine.... | 12/17/1996 |
| 5541633 | Ink jet printing of concealed images on carbonless paper Disclosed is a process which comprises (1) incorporating into a printing apparatus capable of generating ink jet images a carbonless paper set comprising a first sheet, a second sheet, and optional intermediate sheets situated between the first sheet and ... | 07/30/1996 |
| 5537137 | Reactive media-ink system for ink jet printing An ink/media set is provided having improved durability. The ink contains an aqueous medium and a dye or pigment dispersion as the colorant. The media has a coating that contains a hydrophilic polymer and a reactive component. The printed media is exposed... | 07/16/1996 |
| 5528270 | Method for correcting density unevenness for a recording head and an image formation apparatus provided with such a method An image formation apparatus provided according to the present invention does not generate any printing density streaks in low density areas of an image and is therefore capable of outputting stabilized images without any density unevennesses and density ... | 06/18/1996 |
| 5526031 | Recording medium, ink-jet recording method using the same, and ink-jet recorded article Disclosed herein is a recording medium comprising at least a base and an ink-receiving layer of either a water soluble or hydrophilic polymer and wherein said base comprises a biodegradable polymeric material. The biodegradable polymer is a copolymer of 3... | 06/11/1996 |
| 5519421 | Disruption of polymer surface of a nozzle member to inhibit adhesive flow In an inkjet print cartridge having a polymer nozzle member with windows formed therein for facilitating bonding of conductors to electrodes on a substrate, an adhesive is dispensed through the windows to encapsulate the exposed conductors bonded to the e... | 05/21/1996 |
| 5517221 | Spittoon absorber wetting agent Wetting an absorber material in the bottom of a spittoon in a service station employed in a thermal ink-jet device, such as a facsimile machine, prevents formation of stalagmites of ink and ensures trouble-free operation of the service station. The absorb... | 05/14/1996 |
| 5515093 | Ink jet printing method and print medium for use in the method An ink jet printing method for effecting printing on a print medium such as a sheet of cloth by applying a jet of an ink to the print medium. The print medium is formed by preparing a sheet of cloth containing a cationic substance, preparing a backing she... | 05/07/1996 |
| 5515094 | Ink jet printer A leaf plate is disposed in abutment, through a guide path of printing paper, with a feed roller whose peripheral surface is in contact with the guide path. The printing paper is transported by the feed roller rotationally driven while the printing paper ... | 05/07/1996 |
| 5510818 | Transfer-molding resin composition for use to manufacture ink jet recording head, and ink jet recording head manufactured by using the same An ink jet recording head having a fluid passage constituted by forming, on a substrate, an outer frame made of a hardened resin obtained by transfer molding, wherein a transfer-molding resin composition which is the material of the hardened resin is comp... | 04/23/1996 |
| 5504511 | Ink container An ink container which contains ink to be supplied to a recording head comprises a housing constituting the outer housing of the ink container; a shiftable member arranged in the housing to contain ink and at the same time, being shiftable as the ink is c... | 04/02/1996 |
| 5504508 | Ink receiving cap, and ink-jet recording apparatus and ink discharging method using the same A cap for capping the single surface of a recording head that is formed with a plurality of groups of ejection holes for inks of different colors so as to maintain an ink-ejectable condition of the recording head has an interior divided into a plurality o... | 04/02/1996 |
| 5504513 | Deflection compensation for cartridge carriage with compliant walls An inkjet printer (10) has a movable carriage (12) supported above an ink-receiving medium by a rail (14) defining a carriage axis. A cartridge holder (16) is mounted on the carriage and having at least one cartridge compartment (18), each of the at least... | 04/02/1996 |
| 5500665 | Ink container and ink jet recording apparatus using same An ink container includes a container body and a movable wall movable along an inside surface of the container body. The movable wall comprising has a sealing portion in sealing contact with the inside surface of the container body and at least one tilt p... | 03/19/1996 |
| 5500668 | Recording sheets for printing processes using microwave drying Disclosed is a printing process which comprises (a) providing a recording sheet which comprises a substrate, at least one monomeric salt, an optional binder, an optional antistatic agent, an optional biocide, and an optional filler; (b) applying an aqueou... | 03/19/1996 |
| 5493320 | Ink jet printing nozzle array bonded to a polymer ink barrier layer In a print head for ink jet printing a nozzle plate with a nozzle array is gold plated. The gold plated nozzle array is bonded to the polymer ink barrier layer on an electronic chip by a thin layer of tantalum, zirconium, titanium or silicon dioxide. The ... | 02/20/1996 |
| 5489925 | Ink jet printing system In the ink jet printing system described in the specification, a hot melt ink jet printhead having two ink reservoirs is coupled through an ink supply line to a remote hot melt ink supply and a temperature controller is arranged to control the temperature... | 02/06/1996 |
| 5488402 | Method and apparatus for preventing color bleed in a multi-ink printing system A method for controlling color bleed in multi-color thermal inkjet printing systems. Color bleed involves the migration of coloring agents between adjacent zones in a multi-color printed image on a substrate. To control color bleed between any two ink com... | 01/30/1996 |
| 5486344 | Method of producing chlorine dioxide The invention relates to a method of producing chlorine dioxide, which method comprises reacting chloric acid with hydrogen peroxide as a reducing agent in such proportions that chlorine dioxide is produced.... | 01/23/1996 |
| 5485181 | Ink jet printhead with improved durability Durability of ink jet printheads is improved by employing certain sulfur-containing adhesion promoters between the photoresist intermediate layer and the top plate having a noble metal surface.... | 01/16/1996 |
| 5485188 | Ink jet recording method employing inks, ink set, and apparatus for use with the inks An ink jet color recording method for forming a color image on a recording member by using an ink set that includes at least four color inks: yellow, magenta and cyan inks each containing an anion dyestuff and a nonionic surfactant, and a color ink contai... | 01/16/1996 |
| 5479197 | Head for recording apparatus A head for an ink jet recording apparatus including: an electro-thermal transducer for generating thermal energy for use to discharge ink; and a circuit portion electrically connected to the electro-thermal transducer, wherein the circuit portion has a fi... | 12/26/1995 |
| 5472676 | Method of deodorizing a gas containing maloderous components A gas containing malodorous components is deodorized by passing the gas over a MnO2 based catalyst while the catalyst is heated by directly applying an electric current thereto, thereby catalytically oxidizing the malodorous components in the g... | 12/05/1995 |
| 5467117 | Addition of alcohol to prewet solutions to enhance and accelerate wetting to hydrophobic foams for application to ink-jet pens A method is provided for enhancing and accelerating wetting of hydrophobic foams for use as ink reservoirs in ink-jet printer pens. First, the foam is placed in a prewet bath, having already been compressed to expel air. The prewet bath contains an aqueou... | 11/14/1995 |
| 5463416 | Reduced nozzle viscous impedance A method of operating a pulsed droplet deposition apparatus, e.g. a drop-on-demand ink jet printer, having a droplet liquid chamber (16) with which a nozzle (18) communicates for expulsion of droplets (12) from the chamber, droplet liquid replenishment me... | 10/31/1995 |
| 5459499 | Hydrophobing agent A hydrophobing agent (30) includes chain-like, cross-linkable, halogen-containing copolymers, a cross-linking agent, where the cross-linking agent enters into cross-linking bonds with the copolymers, and at least two solvents with differing boiling points... | 10/17/1995 |
| 5451992 | Ink jet head having an improved ink discharge surface and ink jet apparatus equipped with the head An ink jet head accomplishes high quality recording for a long term by an improved liquid repellency treatment. This liquid repellency treatment is applied to at least a peripheral portion of a discharge port on an ink discharge port forming surface of th... | 09/19/1995 |
| 5450108 | Ink jet printhead which avoids effects of unwanted formations developed during fabrication An improved thermal ink jet printhead is formed by the alignment and bonding of an anisotropically etched silicon wafer channel plate, containing a plurality of channel grooves, to a silicon wafer heater plate, containing a plurality of heating and addres... | 09/12/1995 |
| 5448273 | Thermal ink jet printhead protective layers In a thermal ink jet printhead with a protective layer, the protective layer is made of a thin film material having a melting point not less than about 1000° C. A deposition process for preparing the thin film material produces a thin film material havin... | 09/05/1995 |
| 5448270 | Ink-jet printhead cap having suspended lip An improved ink-jet printhead cap is described. In its preferred embodiment, the cap has a sealing lip, which extends peripherally around the generally planar expanse of the cap, the lip being suspended by a horizontal, resiliently deflectable, elastomer ... | 09/05/1995 |
| 5444469 | Printing method and apparatus for registering dots A method for registering printer dots in a printer having separate cartridges or print bars which create dots on paper moving therebeneath. Commands are generated to drive a paper carrier past the cartridges. Machine readable targets on the paper carrier ... | 08/22/1995 |
| 5444472 | Method of and an apparatus for using an ink concentrate in an ink jet printing arrangement An apparatus is provided which enables ink used in a print head disposed in an ink jet printing arrangement to be produced, in situ, from an ink concentrate and a diluting agent. Such apparatus includes a generally hollow fluid-tight housing member. A col... | 08/22/1995 |
| 5440331 | Printhead servicing apparatus An apparatus for use servicing a printer's printhead is provided which includes a sled cam-coupled with a base so as to accommodate selected movement of the sled between a free elevation and a servicing elevation via controlled relative movement of a prin... | 08/08/1995 |
| 5440333 | Collapsible ink reservoir and ink-jet cartridge with protective bonding layer for the pressure regulator An ink cartridge for a thermal ink jet printer containing a separate collapsible ink reservoir which is kept under negative pressure by a pressure regulator to prevent ink leakage. The collapsible reservoir has a pair of flexible plastic membrane ink bag ... | 08/08/1995 |
| 5435984 | Catalyst for the synthesis of chlorine dioxide Chlorine dioxide is generated from an aqueous solution of sodium chlorite in the presence of a catalyst having a higher activity and a reduced rate of deactivation. The catalyst is preferably a Pd/Al2 O3 of palladium and another plat... | 07/25/1995 |
| 5436650 | Ink jet recording head, process for producing the head and ink jet recording apparatus An ink jet recording head comprises an ink path communicating with an orifice for discharging an ink, and energy-generating means for generating energy to be utilized for discharging the ink from the orifice, provided along the ink path, wherein a base me... | 07/25/1995 |
| 5433938 | Chlorine-destruct method An improvement is provided in a process for the preferential removal of chlorine from an aqueous solution of chlorine dioxide and chlorine which has been prepared by the process of reducing a chlorate with a reducing agent in a strong acid, and wherein th... | 07/18/1995 |
| 5428383 | Method and apparatus for preventing color bleed in a multi-ink printing system A method for controlling color bleed in multi-color thermal inkjet printing systems. Color bleed involves the migration of coloring agents between adjacent zones in a multi-color printed image on a substrate. To control color bleed between any two ink com... | 06/27/1995 |
