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| Number | Title | Issue Date |
| 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 |
| 5393331 | Drop-on-demand ink composition with environmental advantages An ink composition suitable for drop-on-demand ink jet printing on porous substrates comprising water, a colorant, a non-teratogenic and non-carcinogenic humectant, and a solid penetrant, which ink composition has a volatile organic content of less than 3... | 02/28/1995 |
| 5389131 | Ink compositions and preparation processes thereof Disclosed is a process for preparing an ink composition which comprises (a) forming a mixture by admixing water and a base; (b) adding a colorant to the mixture; and (c) adjusting the pH of the mixture by adding phosphorous acid thereto. Also disclosed is... | 02/14/1995 |
| 5345296 | Methods and devices for dispersion of high solids toner The present invention relates to methods and devices for creating high shear forces to disperse high solids toner into a working developer solution. The high solids toner have a toner particle concentration of at least 40% by weight of the working develop... | 09/06/1994 |
| 5340387 | Color transforming art medium compositions Color transforming art medium compositions are disclosed herein useful in both the fine and industrial art fields. Spectrally transforming ink and paint compositions comprising one or more spectral elements mixed in a 3% to 50% ratio by volume with a pigm... | 08/23/1994 |
| 5316575 | Pigmented, low volatile organic compound, ink jet composition and method An ink composition suitable for ink jet printing operations comprising an aqueous resin solution and an organic pigment where said ink composition is substantially free of volatile organic compounds. Compositions are provided that form printed images that... | 05/31/1994 |
| 5310778 | Process for preparing ink jet inks having improved properties A process for preparing aqueous pigmented ink jet inks with improved properties, comprising the steps of (a) charging a rubber two-roll milling apparatus with a pigment and a polymeric dispersant; (b) milling to obtain a dispersion of pigment with polymer... | 05/10/1994 |
| 5114477 | Liquid ink compositions An ink composition which comprises an aqueous or organic liquid vehicle, and as a colorant a fullerene, or a mixture of fullerenes.... | 05/19/1992 |
| 5100469 | Ink compositions having decreased drying times An ink composition which is especially useful for ink jet printing contains a colorant, a liquid carrier and at least one additive selected from the group consisting of meso-erythritol, RC(CH2 OH)3 and salts thereof, wherein R is a m... | 03/31/1992 |
| 5098477 | Inks, particularly for ink printing Inks, particularly inks for ink jet printing, contain at least one compound of the formula I ##STR1## as a stabilizer. The symbols R1, R2, R3, R4, R3 ' and R4 ' are as defined in claim... | 03/24/1992 |
| 5067400 | Screen printing with an abrasive ink Modified ink, method of printing, and articles printed therewith. Abrasive particles are combined with a conventional ink formulation. The ink, including the abrasive particles, is pushed through a conventional screen printing screen and printed onto a su... | 11/26/1991 |
| 5059245 | Ink incorporating optically variable thin film flakes Optically variable ink for obtaining a color shaft between two distinct two colors at first and second angles of incident light comprised of an ink vehicle and optically variable flakes disposed in the ink vehicle. The optically variable flakes are compri... | 10/22/1991 |
| 5026427 | Process for making pigmented ink jet inks In accordance with this invention there is provided a process for the preparation of pigmented ink jet inks comprising: (a) mixing at least one pigment and at least one pigment dispersant in a dispersant medium to form a pigmented ink mixture wherein pigment i... | 06/25/1991 |
| 5006598 | Water-dispersible polyesters imparting improved water resistance properties to inks Disclosed are water-dispersible polyesters which impart improved water resistance and block resistance properties to printing inks. Typical polyesters contain about 90 to 97 mole % isophthalic acid, about 3 to about 10 mole % 5-sodiosulfoisophthalic acid,... | 04/09/1991 |
| 4978969 | Method for printing using ultra-violet curable ink An ink composition and application method are described which enable the printing of high-resolution images on a variety of substrates (especially plastics.) The composition basically includes an ultra-violet curable adhesive in combination with a selecte... | 12/18/1990 |
| 4931094 | Titanium(IV)-chelates and their use in printing inks Novel alkoxy titanium(IV)-chelates are used to modify printing inks based on nitrocellulose or other cellulose ester derivatives. The novel chelates comprise citric acid alkyl esters as chelate formers. They delay, as other titanium chelates do, the well-... | 06/05/1990 |
| 4833197 | Process for producing a printing-ink stock, and printing ink produced from said stock This invention relates to a process for producing a printing-ink stock. According to the invention, a solid and oxidation-sensitive thermoplastic resin binder and a pigment are supplied to an extruder and combined therein to form a pigment dispersion. In ... | 05/23/1989 |
| 4750936 | Use of multivalent metal humates in printing inks Stabilized, aqueous dispersions of multivalent metal humates are disclosed as a compatible and functional component in printing ink formulations.... | 06/14/1988 |
| 4664710 | Direct process for the production of printing inks A direct process for the production of a printing ink base consists essentially of the steps of (1) reacting the starting ingredients for a pigment in an agitated vessel to obtain a product that contains pigment in mother liquor, (2) placing the product i... | 05/12/1987 |
| 4620877 | UPC scannable marking composition and applications thereof A marking composition is provided which comprises a mixture of colored pigment, preferably red, and white pigment in amounts sufficient to provide an effective reflectance in the visible and infrared regions of from about 600 to about 1000 nm, e.g., a ref... | 11/04/1986 |
| 4601759 | Pigment compositions, method for producing same, and colored resin compositions The present invention relates to pigment compositions which comprise a wet cake of a pigment whose moisture content is reduced to a range from 2 to 19 wt % while keeping the pigment in the wet cake substantially unchanged in size and shape, and non-agglom... | 07/22/1986 |
| 4556427 | Use of humates in printing inks Stabilized, aqueous dispersions of humate are disclosed as printing inks. Humate is disclosed as a compatible and functional component in all printing ink formulations.... | 12/03/1985 |
| 4535151 | Process for the wet granulation of organic pigments in an aqueous system with hydrolysis of acetic anhydride, propionic anhydride or a mixture thereof A process for the wet granulation of organic pigment is disclosed which consists in treating under vigorous agitation an aqueous suspension of pigment with acetic anhydride, propionic anhydride or a mixture thereof. Acetic anhydride is used preferentially... | 08/13/1985 |
| 4517112 | Modified organophilic clay complexes, their preparation and non-aqueous systems containing them An organophilic clay gellant useful for gelling organic liquids is disclosed which comprises the reaction product of (a) a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay; (b) a primary anion... | 05/14/1985 |
| 4475950 | Printing ink compositions containing organophilic clay gellant Printing inks are provided comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant comprising the reaction product of a smectite-type clay having a cation exchange capacity of at least 75 millie... | 10/09/1984 |
| 4434075 | Anionically modified organophilic clays and their preparation An organophilic clay gellant is disclosed which comprises the reaction product of an organic cation compound, an organic anion, and a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay. The orga... | 02/28/1984 |
| 4431693 | UPC Scannable marking composition and applications thereof A marking composition is provided which comprises a mixture of colored pigment, preferably red, and white pigment in amounts sufficient to provide an effective reflectance in the visible and infrared regions of from about 600 to about 1000 nm, e.g., a ref... | 02/14/1984 |
| 4410364 | Printing ink compositions Printing inks are provided comprising an organic ink vehicle having dispersed therein an ink coloring material and an organophilic clay gellant. The organophilic clay gellant comprises the reaction product of an organic cation, an organic anion and a smec... | 10/18/1983 |
| 4291102 | Desensitizer for no-carbon copy paper There is provided a desensitizer used in a quick-drying desensitizing ink for no-carbon copy paper, which is a compound represented by the formula ##STR1## wherein R1 represents hydrogen atom or methyl group; R2 represents hydro... | 09/22/1981 |
| 4271258 | Photopolymerizable ink compositions A photopolymerizable ink composition containing as essential ingredients (A) a high molecular diacrylate of epoxy resin made of bisphenol A and epichlorohydrin, (B) a urethane modified acrylate resin, (C) a urethane bond-free bifunctional photopolymerizab... | 06/02/1981 |
| 4247339 | Paint compositions A paint suitable for use in a fountain brush comprising up to 5% by weight of a pigment dispersed in an aqueous medium containing a suspending agent and a surfactant dispersing agent; the paint exhibits advantageous properties used in a fountain brush com... | 01/27/1981 |
| 4217265 | Pigment preparations Easily dispersible preparations of organic pigments are obtained by coating the pigment particles with essentially colorless aromatic compounds having a molecular structure being similar to that of the pigment and having an aliphatic chain of more than 5 ... | 08/12/1980 |
| 4161551 | Adhesively correctable transfer medium with delayed alteration resistance characteristics An ink formulation which may be coated on a flexible substratum to produce a typewriter ribbon or the like, wherein the impression made from such a ribbon is capable of adhesive removal shortly after being created on all conventional typing papers, but wh... | 07/17/1979 |
| 4138419 | Cyclopentadiene derivative A novel cyclopentadiene derivative of the general formula: ##STR1## wherein R1 is hydrogen, a mono- to tetra-hydric alcohol moiety having 1 to 12 carbon atoms, a metal of Groups Ia, IIa and IIb of the Periodic Table, an ammonium group or a... | 02/06/1979 |
| 4028128 | Pigment dispersions A pigment dispersion comprising I. a pigment Ii. a carboxy ester having an acid value in the range of from 15 to 140 mg KOH/g and having been formed by the reaction of: A. a compound of formula ROH, or a mixture of such compounds, wherein R is an alkyl or alke... | 06/07/1977 |
| 4001027 | Ink containing methylenedisalicylic acid and method for offset printing Methylenedisalicylic acid is added to ink containing a pigment derived from fluorescein to overcome tinting and scumming when the ink is used in offset printing.... | 01/04/1977 |
| 3983167 | Acrylate and methacrylate monomers The monomers of this invention have the formula ##EQU1## where R is H, methyl or phenyl, R1 is hydrogen or methyl, R2 is an alkylene radical of 2 to 4 carbons and R3 is an alkyl of 1 to about 6 carbon atoms or cycloal... | 09/28/1976 |
| 3933094 | Substrate having colored indicia thereon for read-out by infrared scanning apparatus In a method for making a business reply envelope having binary bar code indicia imprinted thereon for identification or read-out by infrared scanning apparatus, the steps of providing a plurality of printing inks, each of said inks being of a color which ... | 01/20/1976 |
