"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8182597 | Thermal ink jet ink composition A solvent-based inkjet ink composition for inkjet printing includes at least 50 weight percent solvent, a colorant, a humectant, from 0.3 weight % to 8 weight % of a binder resin, and not more than 5 weight percent water. The ink composition is compatible with compo... | 05/22/2012 |
| 8142558 | Thermal ink jet ink composition Disclosed are ink jet ink compositions suitable for use in thermal ink jet printers. The ink jet ink compositions contain one or more volatile organic solvents, one or more humectants, one or more binder resins, and one or more colorants. The ink jet ink composition... | 03/27/2012 |
| 8142559 | Thermal ink jet ink composition A thermal ink jet ink composition includes one or more volatile organic solvents, one or more humectants, one or more binder resins, and one or more dyes. The one or more volatile organic solvents are selected from C1-C4 alcohols, C3... | 03/27/2012 |
| 8137448 | Ink composition for ink jet recording There is provided an ink composition that can realize high-quality images free from white streaks or roughness even in low resolution when printing paper for running-on such as art paper is used. The ink composition comprises at least a colorant, water, an alcohol s... | 03/20/2012 |
| 8110033 | Ink composition for ink jet recording An ink composition that achieves high-quality images free of white streaks or rough textures even when low-resolution printing is performed on printing paper such as art paper. The ink composition contains at least a colorant, water, and a surfactant, and further co... | 02/07/2012 |
| 8110031 | Ethanol-based ink composition An ink jet ink composition includes ethanol, a binder, a conductive agent, and a colorant. The ethanol is present in an amount at least 70% by weight of the ink composition. The binder is not a polyamide resin, a hydroxyaromatic resin, or a phenolic resin. The binde... | 02/07/2012 |
| 8110032 | Solvent-based ink composition for thermal inkjets comprising acetate solvent A solvent-based ink composition for a thermal inkjet printhead. The ink composition comprises: (a) 20-80 wt. % of a compound of formula (C); ... | 02/07/2012 |
| 8105427 | Ink composition for ink jet recording An ink composition that can form a high-quality image free from bleeding or beading even on printing paper or off-set printing paper such as art paper, in particular, even in a case of low-resolution printing, and is excellent in the property of recovering from clog... | 01/31/2012 |
| 8070871 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus An ink jet ink is provided which can retain good stability and shows superior intermittent ejection stability not only under a low-temperature, low-humidity environment but also a high-temperature, low-humidity environment even when the evaporation of water in the i... | 12/06/2011 |
| 8025722 | Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus An ink jet ink is provided which contains at least a coloring material and a water-soluble organic solvent, where the water-soluble organic solvent contains a branched alkanediol having hydroxyl groups at both terminals of its main chain and at least one of a compou... | 09/27/2011 |
| 8021471 | Modified colorants with aliphatic poly-acid groups Modified colorants which can be pigments or dyes are described wherein the colorant has attached at least one aliphatic poly-acid group. Ink and inkjet ink compositions, formulations, and systems are further described, as well as methods of generating a printed imag... | 09/20/2011 |
| 8021472 | Ink composition for ink jet recording An object of the present invention is to provide an ink composition with which images with high quality without white streaks or roughness can be provided even when the images are printed at a low resolution on coated printing paper such as art paper. The ink compos... | 09/20/2011 |
| 7993440 | Inkjet ink A non-water-based inkjet ink containing a colorant, is characterized in that a mixed solvent having a solubility parameter value of from about 8 to about 10 is used as a solvent. The ink is an inkjet ink of which solvent hardly erodes a head member so as to allow lo... | 08/09/2011 |
| 7955425 | Ink composition for ink jet recording An ink composition that can form high-quality images free of white streaks and harshness on actual printing paper, such as art paper, even at low resolution and that can reduce the occurrence of curling even with thin actual printing paper having a low grammage is p... | 06/07/2011 |
| 7918927 | Inkjet recording liquid and inkjet recording method An inkjet recording liquid includes: water; a colorant; a first water-soluble organic solvent having a structure represented by the following Formula (1), an SP value of 27.5 or less, and a molecular weight of 100 to 210; and a second water-soluble organic solvent h... | 04/05/2011 |
| 7901499 | INK composition An ink composition at least comprising water and a colorant, and further comprising 0.01% by weight or more of lithium ions based on the total weight of the ink composition, wherein at least one type of glycol ether represented by the following formula 1 is containe... | 03/08/2011 |
| 7871466 | Ink composition for ink jet recording, recording method and recorded matter There is provided an ink composition that, even on various recording media, especially gloss paper of a printing paper base, can yield an image having excellent gloss, can realize good recovery from clogging and handleability of recorded matter, and, at the same tim... | 01/18/2011 |
| 7837776 | Compositions useful to provide improved rheology and mist control to ink formulations and ink formulations containing such compositions The invention is ink formulations that show improved rheological and antimisting properties. The invention is particularly useful in lithographic inks including heatset, sheetfed and UV curable lithographic inks. The invention also includes novel additive that enabl... | 11/23/2010 |
| 7828887 | Dye-based ink formulations Dye-based ink formulations and methods of making dye-based ink formulations are disclosed. ... | 11/09/2010 |
| 7794533 | Oil-based ink composition for writing utensil and writing utensil employing the same The present invention provides an ink composition containing an olefinic wax dispersion added so as to impart smooth writing properties without causing starving at the starting of writing, and the ink composition has noticeably improved stability over time. The pres... | 09/14/2010 |
| 7767012 | Recording liquid, liquid cartridge, liquid discharge device, and liquid discharge method A recording liquid to be attached in a droplet state to an object for the purpose of recording on the object is disclosed, which contains a coloring matter, a solvent for dissolving or dispersing the coloring matter therein, and at least one cyclic aliphatic compoun... | 08/03/2010 |
| 7686876 | Ink composition for ink jet recording, recording method and recorded matter There is provided an ink composition for ink jet recording that, even on printing paper for running-on, can realize excellent gloss and good color reproduction and, at the same time, is excellent in ejection stability and recovery from clogging. The ink composition ... | 03/30/2010 |
| 7615114 | Ink composition, ink cartridge including the same and ink jet recording apparatus including the ink cartridge An ink composition including a compound having a triester structure that has alternately a hydrophilic group and a hydrophobic group, a coloring agent and a solvent. The compound having the triester structure reduces mobility of the coloring agent and increases adhe... | 11/10/2009 |
| 7604692 | Ink composition for ink jet recording, recording method, and recorded matter There is provided an ink composition for ink jet recording, which can yield images having excellent gloss with good color reproduction even on various recording media having a low level of water absorption, especially synthetic paper and printing paper for running-o... | 10/20/2009 |
| 7588632 | Biodegradable flexographic ink The present invention relates to a flexographic water based ink in which a biodegradable polymer, such a polyhy-droxyalkanoate (PHA), replaces conventional poorly or non-biodegradable organic polymeric resins for example. PHAs are used as a latex suspension in water... | 09/15/2009 |
| 7585362 | Ink composition, ink set including the composition, cartridge including the ink set, and inkjet recording apparatus including the cartridge An ink composition including a siloxy group-containing silane-based compound, a colorant, and a solvent, and an ink cartridge and an inkjet recording apparatus including the ink composition. ... | 09/08/2009 |
| 7569104 | Ink for ink-jet recording The present invention provides an ink jet recording ink which has excellent stability, high coloration on regular paper, high glossiness on gloss paper and excellent discharge stability of an ink from an ink jet head. This ink jet recording ink uses 2-methyl-2-propy... | 08/04/2009 |
| 7569103 | Consumable inks with improved image performance The present invention is directed to ink compositions and printed substrates produced using the ink, inkjet dispensers including the ink, printing systems for using and printing with the ink, and methods for using the same. In an embodiment, the ink composition is a... | 08/04/2009 |
| 7556681 | Ink for ink-jet recording An ink-jet ink comprising at least water and an organic solvent having a boiling point of not less than 150° C. in an amount of not less than 50 weight % and not more than 80 weight % based on the total weight of the ink, wherein the organic solvent comprises an al... | 07/07/2009 |
| 7553360 | Ink composition for ink jet recording, recording method and recorded matter There is provided an ink composition that, even on various recording media, especially gloss paper of a printing paper base, can yield an image having excellent gloss, can realize good recovery from clogging and handleability of recorded matter, and, at the same tim... | 06/30/2009 |
| 7544237 | Ink-jet recording ink, ink-jet recording process, and ink-jet recording apparatus An ink-jet recording ink which contains water, a coloring material and a surfactant, wherein the surfactant is in a content of from 0.6 to 5% by mass in the ink, and the ink further contains a block compound represented by the following formula (I): HO—(... | 06/09/2009 |
| 7540911 | Ink composition, ink set, ink cartridge using the ink composition, inkjet recording method and recorded material An ink composition having, as essential components, at least a diacetylene tetraol compound represented by general formula (1) below and a glycol ether represented by general formula (2) below: (wherein R1 and R | 06/02/2009 |
| 7537652 | Ink composition for ink jet recording, recording method and recorded matter There is provided an ink composition for ink jet recording that, even on printing paper for running-on, can realize excellent gloss and good color reproduction and, at the same time, is excellent in ejection stability and recovery from clogging. The ink composition ... | 05/26/2009 |
| 7534291 | Ink composition and ink cartridge including the ink composition An ink composition comprising a colorant, a solvent, a surfactant, and a defoaming agent is provided. The defoaming agent has a structure of Formula R1—X—(CH2CH2O)m-(CHCH3CH2O)n-R | 05/19/2009 |
| 7517399 | Ink composition for ink jet recording, recording method and recorded matter Disclosed is an ink composition for ink jet recording, which possesses excellent gloss and good color reproducibility on various recording media, especially printing paper for running-on. The ink composition for ink jet recording comprises at least a colorant, water... | 04/14/2009 |
| 7507283 | Aqueous dispersion, ink composition and inkjet recording method using same The present invention relates to an aqueous dispersion of a water-insoluble coloring material having superior shelf life stability which is suitable to an ink for ink-jetting, an ink composition superior in shelf life stability and discharge property, a method for i... | 03/24/2009 |
| 7497902 | Water based ink composition for rollerball pen Disclosed is a water based ink composition for a rollerball pen that includes at a least colorant, a water-soluble organic solvent, water, a shear thinning viscosity property-providing agent, a lubricant, and a bubble suppressant. The ink composition includes a phos... | 03/03/2009 |
| 7462229 | Oil-based ink composition for ballpoint pen using oil-based ink Oil-based ink composition for a ballpoint pen, involving at least a coloring material, a resin and a solvent selected from the group consisting of an alcohol, a polyhydric alcohol and a glycol ether each having a vapor pressure of 0.001 mmHg or more at 25° C. as a ... | 12/09/2008 |
| 7442245 | Glycerol derivatives for inkjet inks An ink composition for inkjet recording comprising water and a compound represented by the following Structure: wherein at least one of Z1, Z2, Z3, and Z4 are not hydrogen; each o... | 10/28/2008 |
| 7442241 | Inkjet ink composition and multi-color inkjet ink set having the same An inkjet ink composition including about 100 parts by weight of a liquid vehicle (such as water), about 1 to about 35 parts by weight of a colorant including first and second dyes, and about 0.1 to about 130 parts by weight of an organic solvent, and a weight of th... | 10/28/2008 |