Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8080102 | Solvent-based inkjet inks comprising surface-modified pigments A solvent-based ink composition for a thermal inkjet printhead comprises a surface-modified pigment. The ink composition comprises: (a) 10-80 wt. % of a compound of formula (A); | 12/20/2011 |
| 7985290 | Nonpolar liquid and solid phase change ink compositions comprising nanosized particles of benzimidazolone pigments An ink composition, such as a nonpolar liquid or phase change (solid) ink composition, that includes a non-polar carrier, and a nanoscale pigment particle composition. The nanoscale pigment particle composition includes a benzimidazolone pigment and a sterically bul... | 07/26/2011 |
| 7691194 | Self-dispersible colorants, method of preparing the same and ink composition comprising the colorants A self-dispersible colorant has a hydrophilic group incorporated into a colorant. A method of preparing the self-dispersible colorant reacts a cyclic anhydride with a reactive colorant in the presence of a Lewis acid. An ink composition comprising the self-dispersib... | 04/06/2010 |
| 7632346 | Non-aqueous pigment dispersions using dispersion synergists A non-aqueous pigment dispersion includes a diketopyrrolo-pyrrole pigment, a polymeric dispersant, and a dispersion synergist in a non-aqueous dispersion medium wherein the dispersion synergist is a diketopyrrolo-pyrrole derivative according to Formula (I): | 12/15/2009 |
| 7611572 | Pixel-forming colorant compositions and their use A pixel-forming colorant composition contains at least one green colorant selected from the group consisting of the following pigments (A) and (B) and pigment derivative (C): (A) a copper phthalocyanine green pigment obtained by re... | 11/03/2009 |
| 7559984 | Diketopyrrolo-pyrrole compounds A diketopyrrolo-pyrrole compound according to Formula (I): wherein R1, R2, and R3 are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl g... | 07/14/2009 |
| 7468100 | Ink for ink-jet recording An ink for ink-jet recording contains a copper phthalocyanine pigment as a colorant, and a benzotriazole compound. The ink further contains a metallic phthalocyanine compound having one or more counter ions, wherein about 2 mol % to about 20 mol % of the counter ion... | 12/23/2008 |
| 7416595 | Ink-jet ink and ink-jet recording method An ink-jet ink comprising Component (A), Component (B), and Component (C), wherein a content of Component (A) is 20-60% by weight, a content of Component (B) is 10-50% by weight, and when the content of Component (A) is 100% by weight, the total content ratio of a c... | 08/26/2008 |
| 7407536 | Ink composition An ink composition containing an organic solvent and a pigment, which has a little amount of smell, excellent safety and health properties, excellent resin solubility, excellent printing stability and excellent drying properties, causes no corrosion to a printer, an... | 08/05/2008 |
| 7407540 | Coloring liquid, ink tank, recording unit, recording apparatus and recording method A coloring liquid can form an image showing a high color developability and a high vividness as well as an excellent water fastness when used as recording material with a recording technique such as ink-jet printing. An ink tank, a recording unit, a recording appara... | 08/05/2008 |
| 7404850 | Ink stock solution and ink composition An ink stock solution contains at least a dye and a colorless planar compound having more than ten delocalization π electrons in one molecule, and an ink composition is manufactured with the same ink stock solution. ... | 07/29/2008 |
| 7396398 | Ink composition An ink composition is provided including an amide compound represented by formula I, a coloring agent and a solvent. The amide compound and the polyhydric alcohol in the ink composition decrease the mobility of coloring agents and increase the adhesion to media, the... | 07/08/2008 |
| 7393396 | Process for producing homogeneous and storage-stable pastes, inks and paints using ionic liquids as dispersing additives The invention provides a process for producing homogeneous and storage-stable pastes, inks, paints, coverings, coatings and coating materials which comprises using ionic liquids as dispersing additives. ... | 07/01/2008 |
| 7393399 | Ink for ink-jet recording An ink for ink-jet recording contains a copper phthalocyanine pigment as a colorant, and a thiazole compound. The ink further contains a metallic phthalocyanine compound having one or more counter ions, wherein about 2 mol % to about 20 mol % of the counter ions is ... | 07/01/2008 |
| 7393403 | Process for preparing self-dispersible coloring agent using lewis acids and ink composition comprising the coloring agent A self-dispersible coloring agent represented by formula (II) below is prepared by incorporating a hydrophilic group into a coloring agent through a reaction of a hydrophilic group-containing halide represented by formula (I) below and the coloring agent in the pres... | 07/01/2008 |
| 7387670 | Pigment preparations based on phthalocyanine pigments A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I), in which n i... | 06/17/2008 |
| 7384464 | Ink jet and recording material The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compound of the general formula (I): wherein G1 and G2... | 06/10/2008 |
| 7384472 | Pigment preparations based on PY 155 The invention concerns a pigment preparation based on C.I. Pigment Yellow 155, containing 0.1% to 50% by weight, based on the weight of C.I. Pigment Yellow 155, of at least one pigment dispersant from the group of monoazo or disazo pigments substituted with at least... | 06/10/2008 |
| 7381257 | Aqueous ink, ink-jet recording method, ink cartridge, recording unit and ink jet recording apparatus An aqueous ink to be used in an ink jet recording containing a green pigment having a copper phthalocyanine skeleton, wherein a proportion of the Kα-line intensity of a chlorine atom to the Kα-line intensity of a bromine atom obtained by subjecting the green pigme... | 06/03/2008 |
| 7377972 | Cosolvents in printing fluids An aqueous printing fluid, comprising a cosolvent, the cosolvent or mixture of compounds comprising at least one inner salt compound having a sp3-hybridized nitrogen cation and an associated anionic charge either isolated on an N-substituted oxygen anion ... | 05/27/2008 |
| 7323045 | Magenta ink composition Objects of the present invention are to provide a magenta ink composition having good light-fastness and gas resistance, and excellent moisture resistance and clogging resistance, and to provide a magenta ink composition having excellent colorability in addition to ... | 01/29/2008 |
| 7323046 | Phthalocyanine pigments with neutral metallic down flop Phthalocyanine pigments having 0-4 chlorine atoms have a narrow particle-size range with 90% of particles between about 0.01-0.10 μm, the average particle size of no more than about 0.5 μm, a D99 of no more than about 0.3 μm, and a polydispersity of about 2.0 or ... | 01/29/2008 |
| 7318860 | Green pigment preparations A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio of C.I. Pigment Yellow 214 to the at least one copper phthalocyanine... | 01/15/2008 |
| 7314510 | Ink jet liquid composition and ink jet recording method The present invention provides an ink jet liquid composition including chitosan and a non-volatile organic acid. The non-volatile organic acid preferably has two or more carboxyl groups and a cyclic structure other than an aromatic ring. Further, the invention provi... | 01/01/2008 |
| 7314273 | Process for preparing phthalocyanine compounds A process for preparing a mixture of copper phthalocyanine dyes of Formula (1): CuPc(SO3M)x(SO2NH2)y, wherein: CuPc is copper phthalocyanine; M is a cation; x and y each independently have a value of from 0.5 to... | 01/01/2008 |
| 7314511 | Metaloxyphthalocyanine compounds A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds ... | 01/01/2008 |
| 7309389 | Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotiza... | 12/18/2007 |
| 7303615 | Colorant material, and water dispersion, ink, ink tank, recording unit, recording apparatus and recording method using the same There is provided a colorant material comprising a compound represented by at least one of the following general formulas (1) and (2) as a first colorant compound and at least one of a water insoluble triphenylmethane compound and a water insoluble xanthene compound... | 12/04/2007 |
| 7300511 | Low viscosity, highly pigmented oil based dispersions exhibiting a low relative interfacial tension drop Pigment dispersions that when used in printing ink having a relative interfacial tension drop of less than 1.5, and offering an ink viscosity of less than 150 Pa.s, and containing at least 45 wt. % pigment. ... | 11/27/2007 |
| 7300503 | Dye mixture and ink containing the same, inkjet recording method and image forming method A phthalocyanine dye mixture having a specific structure, an ink using the dye mixture, an inkjet recording ink, an inkjet recording method and a method for improving preservability of image formed are provided. ... | 11/27/2007 |
| 7294183 | Activating agents for use with reactive colorants in inkjet printing of textiles An inkjet ink having an increased shelf life. The inkjet ink comprises an ink vehicle and a reactive colorant. The reactive colorant is nonreactive with water,thereby increasing the shelf life of the inkjet ink to greater than approximately twelve months. An inkjet ... | 11/13/2007 |
| 7291213 | Ink composition and inkjet recording method An ink composition comprising: a coloring agent having an oxidation potential of more electropositive than 1.0V (vs SCE); a water; a guanidine compound; and a surfactant, the ink composition to be used in inkjet recording and an inkjet recording method with the use ... | 11/06/2007 |
| 7282090 | Ink jet ink, method for producing ink jet ink, ink jet recording method and ink cartridge An ink jet ink includes at least a coloring material. The coloring material is composed of at least one selected from the group consisting of C.I. Acid Blue 9 and a compound having a copper phthalocyanine structure, and a compound represented by the following genera... | 10/16/2007 |
| 7279033 | Ink jet and ink jet recording method An ink-jet ink containing a colorless, water-soluble, planar compound having more than ten delocalized pi-electrons per molecule. ... | 10/09/2007 |
| 7273898 | Ink jet recording ink It is an object of the present invention to provide an ink jet recording ink with excellent storage stability, with which no mold or other microbes will be generated over an extended period. The ink jet recording ink of the present invention contains water and a col... | 09/25/2007 |
| 7270703 | Colored image-forming composition containing phthalocyanine compound, inks, inkjet inks, inkjet recording method and method for improving toleracne to decoloration due to ozone gas To provide a novel phthalocyanine compound, and an inkjet ink and inkjet recording method capable of an image having an excellent hue, fastness to light and ozone gas resistance. To provide various coloring compositions such as an ink sheet for heat-sensitive record... | 09/18/2007 |
| 7270699 | Ink set for ink-jet recording, ink-jet recording method and ink-jet recording apparatus The invention provides an ink set for ink-jet recording that is able to form an image having a sufficient optical density and causing no feathering and intercolor bleed within a short period of time while being excellent in reliability of the maintenance unit. The i... | 09/18/2007 |
| 7255733 | Process for the production of β type copper phthalocyanine pigment and a use thereof A process for the production of a β type copper phthalocyanine pigment, comprising dry-milling a crude copper phthalocyanine having a purity of 97 to 100% and a primary crystal diameter of 0.5 to 100 μm at a temperature of 180 to 50° C., to prepare an α/β mixed... | 08/14/2007 |
| 7255734 | Phthalocyanine pigment preparations A copper phthalocyanine pigment preparation contains a copper phthalocyanine pigment and at least one pigment dispersant from the group of copper phthalocyanine sulfonic acids and copper phthalocyanine sulfonic acid salts. The inventive pigment preparation is charac... | 08/14/2007 |
| 7250077 | Ink composition for inkjet recording, ink cartridge and recording apparatus An aggregation stabilizer is further added to an ink composition for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that is condensation-polymerized in the absence of the water. With this aggregation stabilizer, a hardl... | 07/31/2007 |
