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| Number | Title | Issue Date |
| 7341619 | Olefin waxes having improved hardness or viscosity In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing them. The waxes are suitable for use as polishes, coatings, or inks, amon... | 03/11/2008 |
| 6793720 | Solid marking composition as writing means, a writing instrument, an optically variable marking layer and use of a plurality of optically variable pigments A solid marking composition comprises a solid matrix containing at least one type of optically variable interference pigment flakes. The solid marking composition provides a document or article with a copy and counterfeit protection feature, and is preferably used i... | 09/21/2004 |
| 6790267 | Colorant compositions Disclosed are colorant compounds of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, each R′, independe... | 09/14/2004 |
| 6764541 | Colorant compositions Disclosed is a colorant composition of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, R′ is an aromat... | 07/20/2004 |
| 6755902 | Phase change inks containing azo pyridone colorants Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula ... | 06/29/2004 |
| 6730153 | Oil-based ink-jet recording ink An ink-jet recording oil-based ink which has satisfactory pigment dispersibility both at the beginning of storage and even during long-term storage and provides excellent spouting stability without being influenced by temperature changes in printing circumstances. T... | 05/04/2004 |
| 6645282 | Phase change gravure inks and methods of printing with same A hot melt ink composition containing a an alkylene distearate which improves the color strength of the ink and is formed as a reaction product of a C4 -C8 diol and at least one acid selected from the group consisting of a C16 | 11/11/2003 |
| 6527845 | Oil-based ink for ink-jet recording An oil-based ink for ink-jet recording comprising mainly an organic solvent, a pigment and a dispersing agent, said organic solvent comprising a saturated hydrocarbon solvent and a vegetable oil in a weight ratio of 100:(10 to 100), in order to provide an... | 03/04/2003 |
| 6409811 | Anti-abrasion ink additives containing reduced amounts of polytetrafluoroethylene and inks containing such additives An anti-abrasion additive for ink formulations includes sintered polytetrafluoroethylene in a reduced amount; a petrolatum; and a high melting point microcrystalline wax. The additive, when dispersed in an ink, provides the ink with good slip, abrasion re... | 06/25/2002 |
| 6406531 | Compositions and methods for selective deposition modeling Phase change compositions that are solid at ambient temperature and liquid at an elevated temperature above ambient temperature are disclosed for advantageous use in selective deposition modeling methods for building three-dimensional objects. A phase cha... | 06/18/2002 |
| 6402823 | Individual inks and an ink set for use in the color ink jet printing of glazed ceramic tiles and surfaces Individual inks and an ink set for use in generating intermediate colors via the combination of separate inks applied by an ink jet printer to the glazed surface of an article, such as glazed ceramic architectural tile for example, that is to be heated to... | 06/11/2002 |
| 6331590 | Polypropylene wax The present invention relates to homopolymer and copolymer waxes which have been prepared by polymerization using metallocene compounds in the presence of hydrogen and have a melt viscosity of less then 100 mPas, measured at 170° C. As a result of their ... | 12/18/2001 |
| 6245139 | Electrostatic deposition A deposition material for an electrostatic deposition apparatus such as an ink for an electrostatic ink jet printer, the material comprising a carrier liquid having insulative properties, a charging agent which is soluble in the carrier liquid, and a char... | 06/12/2001 |
| 6235098 | Hot-melt ink compositions for ink-jet printing A hot-melt ink composition comprising at least one composition of: (a) a cyan ink composition containing a cyan pigment as a colorant, wherein the cyan ink composition shows a maximum chroma C* on a recording medium of 45 or higher, a hue angle H0 | 05/22/2001 |
| 6224661 | Semi-solid pigmented ink for marking porous media A semi-solid ink composition for marking porous media is described. The ink composition can provide large dot size, low smear, fast drying, and sharp edge definition images when printed on a porous medium, such as a corrugated container. The semi-solid in... | 05/01/2001 |
| 6132665 | Compositions and methods for selective deposition modeling Phase change compositions that are solid at ambient temperature and liquid at an elevated temperature above ambient temperature are disclosed for advantageous use in selective deposition modeling methods for building three-dimensional objects. A phase cha... | 10/17/2000 |
| 6117225 | Method of preparation of inks A process of producing a non-conductive ink formed from colorant particles and a non-conductive carrier liquid where the colorant particles are inherently of a low electrical resistivity. The process includes the steps of applying to the surface of the co... | 09/12/2000 |
| 6106602 | Hot-melt ink composition for ink jet recording A hot-melt ink composition adapted for an ink jet recording process comprising the steps of: heating an ink composition which stays as solid at room temperatures so that it is liquefied; and then applying some jetting energy to the ink composition so that... | 08/22/2000 |
| 6099631 | Ink development processes for the preparation of pigmented solid inks An ink development process for the preparation of pigmented solid inks including the steps of preparing a mill base and preparing an ink from the mill base. The mill base contains a pigment, and a solvent or oil as a wetting and dispersing media for the p... | 08/08/2000 |
| 6093239 | Hot melt ink A hot melt ink having a water auto-dispersibility of at least 50%, methods for using this ink to provide marks having a water auto-dispersibility of at least 50%, and methods for using this ink to provide UV opaque masks are disclosed.... | 07/25/2000 |
| 6001444 | Optical recording medium Provided is an optical recording medium comprising at least a recording layer, a metal reflective layer, a protective layer and a printing layer laminated on a transparent substrate, wherein the printing layer is obtained by curing a UV-curing ink composi... | 12/14/1999 |
| 5994453 | Phase change ink formulation containing a combination of a urethane resin, a mixed urethane/urea resin, a mono-amide and a polyethylene wax Phase change carrier compositions made from the combination of at least one urethane resin; at least one urethane/urea resin; at least one mono-amide; and at least one polyethylene wax are disclosed. The order of addition of the reactants to form the reac... | 11/30/1999 |
| 5989325 | Ink compositions A nonaqueous ink composition comprised of a vehicle, colorant, and a hydrophobic gelling component.... | 11/23/1999 |
| 5938826 | Hot melt ink A hot melt ink having a water auto-dispersibility of at least 50%, methods for using this ink to provide marks having a water auto-dispersibility of at least 50%, and methods for using this ink to provide UV opaque masks are disclosed.... | 08/17/1999 |
| 5875720 | Production of prints by the offset heatset process Prints are produced by the offset heatset process using a printing ink based on mineral oil and additionally using an agent for increasing the abrasion resistance of the prints, where the agent for increasing the abrasion resistance is an oxidized olefin ... | 03/02/1999 |
| 5863319 | Thermally stable hot melt ink A thermally stable ink for use in ink jet printing contains an ester amide resin, a tackifying resin, and a colorant.... | 01/26/1999 |
| 5855836 | Method for selective deposition modeling A novel thermopolymer material adapted for use in thermal stereolithography. More particularly, a thermopolymer material comprising a mixture of: a low shrinkage polymer resin; a low viscosity material such as paraffin wax; at least one microcrystalline w... | 01/05/1999 |
| 5800600 | Solid ink jet ink A solid ink jet ink composition which is suitable for hot melt applications having a carrier having an electrical resistivity of at least 108 Ohm.cm, insoluble marking particles and a particle charging agent dispersed in it. The marking particl... | 09/01/1998 |
| 5749949 | Anti-abrasion ink additives and printing inks containing such additives An improved anti-abrasion/slip ink additive is disclosed comprising a mixture of sintered polytetrafluoroethylene and pharmaceutical grade petrolatum. As an alternative, additional material, such as phenolic resins and oils can be added to the mixture. Th... | 05/12/1998 |
| 5741353 | Aqueous painting agent An aqueous writing agent, drawing agent or painting agent as an application material is composed of water, binding agent, coloring agent, surface-active agent and possibly other additives, such as particularly preservatives, thickening agent, filler and/o... | 04/21/1998 |
| 5624483 | Hot melt ink utilizable for ink jet printer Disclosed is a hot melt ink utilizable for an ink jet printer, the hot melt ink comprising: a vehicle composed of paraffin wax (73% by weight ), paraffin wax derivatives (19.8% by weight) and petroleum resin (5% b weight); colorant composed of carbon blac... | 04/29/1997 |
| 5514209 | Hot melt jet ink composition A hot melt jet ink composition comprising a glycerol ester of a hydrogenated rosin and microcrystalline wax exhibits good adhesion and resistance to offset at low temperatures.... | 05/07/1996 |
| 5466284 | Universal black ink A carbon paper ink is described which includes a 2200-3000 heavy oil. The ink also includes Montan wax, paraffin slack wax, carbon black, a lubricant, and a filler. The heavy oil acts as a dispersant to provide for more even pigmentation and darker printi... | 11/14/1995 |
| 5453120 | Erasable marking material and a method for the manufacture thereof An erasable marking material with a wax-based vehicle having a substantially uniform suspension of filler particles and pigment particles and a method for its manufacture. The wax-based vehicle is composed of a base wax and at least one supplemental wax. ... | 09/26/1995 |
| 5449399 | Blendable writing instrument Writing instruments are provided comprising a) a friction transferable binder comprising a colorant, and b) frangible microcapsules containing a liquid solvent. The writing instrument contains sufficient microcapsules to provide a Coloration Uniformity Pe... | 09/12/1995 |
| 5409530 | Hot-melt ink composition The present invention disclosed herein provides a hot-melt ink composition that can provide a good fixing strength and a high quality of print independently of the kinds of recording media. The hot-melt ink composition according to the present invention i... | 04/25/1995 |
| 5405438 | Hot melt ink for ink jet printers A hot melt ink for ink jet printers includes a vehicle that is solid at normal temperatures and which melts and liquifies when heated above its melting point, a pigment, and an aluminate coupling agent in an amount of about 1 to 50 weight percent, based o... | 04/11/1995 |
| 5397388 | Hot melt ink for ink jet printers A hot melt ink for an ink jet printer comprises 50 wt. % or more of a solid wax that is solid at normal temperatures and has a solubility parameter of not larger than 9.00, an organic substance having a solubility parameter greater than that of the solid ... | 03/14/1995 |
| 5354368 | Hot melt jet ink composition A hot melt jet ink composition comprising a tall oil resin having a high acid number exhibits improved adhesion when printed onto substrates.... | 10/11/1994 |
| 5324348 | Disposable orthodontic wire marker A disposable marking device particularly suited for marking wires used in orthodontic treatment is disclosed, comprising a shaft made of metal, plastic, paper, wood, or any other material of suitable stiffness, preferably about the size of a toothpick, co... | 06/28/1994 |
