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| Number | Title | Issue Date |
| 8118924 | Self-dispersed pigments and methods for making and using the same A method of modifying a pigment that includes reacting a reactive compound having an X—[Y]n reactive group with a secondary compound N—S—ZM to form a substituted reactive intermediate [Y]a—X—(N—S—ZM)b. A pigment is reac... | 02/21/2012 |
| 7229488 | Ink composition, ink cartridge including the same, and inkjet image forming apparatus including the ink cartridge An ink composition includes a colorant, a solvent, and an amine alcohol compound represented by formula I in which n is an integer and 0≦n≦9. ... | 06/12/2007 |
| 7173032 | Methods and compositions of novel triazine compounds The present invention relates to methods and compositions comprising compounds that treat pathophysiological conditions arising from inflammatory responses. In particular, the present invention is directed to compounds that inhibit or block glycated protein produced... | 02/06/2007 |
| 7169785 | Methods and compositions of novel triazine compounds The present invention relates to methods and compositions comprising compounds that treat pathophysiological conditions arising from inflammatory responses. In particular, the present invention is directed to compounds that inhibit or block glycated protein produced... | 01/30/2007 |
| 7083674 | Pigment dispersant, and pigment composition, pigment dispersion and printing ink using the same A pigment dispersant represented by the following general formula (1) is provided: wherein R1, R2, R3, R4, R5, R6, R7, R8, R... | 08/01/2006 |
| 7014699 | Oxalkylation products produced from epoxides and amines and their use in pigment preparations The invention relates to addition compounds of formula (1): in which: n is a number from 1 to 10; R1 and R2 are identical or different and are each a hydrogen atom or a saturated or unsaturated ali... | 03/21/2006 |
| 6951075 | Pigment concentrates for coloring seeds The present invention relates to the use of a pigment form or pigment concentrate comprising of an organic pigment, a growth-promoting additive, and optionally inorganic filler and/or an organic additive for coloring of seeds. Seeds colored by the dry pigment forms ... | 10/04/2005 |
| 6921432 | Stable mixtures containing extender pigments A number of stable mixtures are disclosed containing specific combinations and levels of extender pigments and thickeners. These stable mixtures may be employed, inter alia, as a mixture in a method of making paints using prepaints or as a conventional component in ... | 07/26/2005 |
| 6918958 | Acid pigment dispersants and pigment preparations The invention relates to pigment dispersants of the formula (I), and to pigment preparations including at least one organic pigment and at least one pigment disperant of the formula (I): wherein Q1, R1 | 07/19/2005 |
| 6919454 | Biphenyl-substituted triazines Biphenyl-substituted triazines of the formula which are notable for high thermal stability, are used as stabilizers for organic polymers to counter damage thereto caused by light, oxygen and heat, as light stabilizers ... | 07/19/2005 |
| 6752862 | Color fading/discoloration preventive agent Disclosed are a color fading/discoloration preventive agent containing as its active ingredient a coumarin analog represented by general formula (1) below, a glycoside of that analog, or a plant extract containing the coumarin analog or its glycoside: | 06/22/2004 |
| 6503317 | Dye based aqueous pigment dispersions Aqueous based pigment dispersions wherein the pigment is dispersed in a dispersant dye in the absence of any other dispersant or additive and aqueous based printing ink compositions containing these a pigment dispersions. Methods for preparing aqueous bas... | 01/07/2003 |
| 6423246 | Thermostable pigments, films and effect coatings, and mixtures for their production A mixture of crosslinkable liquid-crystalline substances having a chiral phase (LC mixture), containing polymerizable groups, where at least 90% of the polymerizable groups are part of molecules containing at least two polymerizable groups (crosslinker mo... | 07/23/2002 |
| 6224664 | Mixture comprising pigments having a liquid-crystalline structure with a chiral phase and its use The invention relates to mixtures containing pigments which comprise oriented three-dimensionally crosslinked substances having a liquid-crystalline structure with a chiral phase, and to the use of such mixtures. Pigment and matrix are matched to one anot... | 05/01/2001 |
| 6143068 | Process for the preparation of highly chromatic perylene pigments This invention relates to a process for preparing perylene pigment compositions by reaction of (a) a perylene tetracarboxylic compound; (b) about 0.01 to about 20% by weight, relative to the perylene tetracarboxylic compound, of a non-pigmentary cyclic anhydri... | 11/07/2000 |
| 6136087 | Crystal growth inhibitor A crystal growth inhibitor for azo pigments is disclosed. The crystal growth inhibitor comprises: (1) one or more sulfonated or carboxylated amines, and (2) one or more coupling components selected from the group consisting of acetoacetanilides, naphthani... | 10/24/2000 |
| 6129786 | Composite pigments based on polyalkylenepolyamine-modified nanoparticulate metal oxides and anionic dyes Composite pigments based on nanoparticulate metal oxides modified by crosslinked or uncrosslinked polyalkylenepolyamine and anionic dyes are useful for coloring paints, inks, plastic, paper, wood, leather and textile materials.... | 10/10/2000 |
| 6126736 | Pigment stabilization The invention relates to a process of using certain piperidine compounds of formula I ##STR1## in which R1 is hydrogen, hydroxyl, lower alkyl, lower alkoxy or acyl, R2 is a substituted or unsubstituted mono- or bicyclic radical which... | 10/03/2000 |
| 6123763 | Pigment dispersing agent and pigment composition containing the same A colorless or only slightly colored pigment dispersing agent which is feasible as a pigment dispersing agent for pigments having various hues and has the general formula (1), ##STR1## wherein R1, R2, X1, Y1 | 09/26/2000 |
| 6103006 | Fluorescent polymeric pigments Thermoplastic, non-water soluble, fluorescent pigments having improved lightfastness are provided which are suitable for coloring a variety of materials including plastics, particularly polyolefins, as well as paints, inks and textiles. The pigments of th... | 08/15/2000 |
| 6063182 | Stir-in pigment compositions A stir-in pigment composition for coloring high-molecular-weight material, particularly coatings and ink systems, comprises 85 to 99.5 parts by weight of a pigment and 0.5 to 15 parts by weight of an additive comprising a vinylpyrrolidone polymer or copol... | 05/16/2000 |
| 5976239 | Pigment with color dependent on viewing angle, method of making and use of same The invention relates to a pigment with color dependent on the viewing angle, which has been obtained by three-dimensional crosslinking of oriented substances of liquid-crystalline structure having a chiral phase. In order to stabilize the color of such a... | 11/02/1999 |
| 5954871 | Composite melanin pigment in the form of particles comprising a wax-based spherical core, preparation processes and cosmetic uses A composite melanin pigment in the form of particles comprising a spherical core less than 1 μm in diameter, which comprises at least one wax and at least one surfactant, and an outer layer which envelops the core, which comprises at least one compound r... | 09/21/1999 |
| 5942030 | Pigment preparation Process for preparing pigments by applying a polymerizable mixture to a surface, orienting the liquid crystals present in the mixture, polymerizing the mixture, detaching the polymer film from the surface and comminuting the polymer film to form pigment p... | 08/24/1999 |
| 5922123 | Method for conditioning organic pigments This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200° C., with (1) at least about 0.1% by weight, relative to the organic pigment, of one or more surfactants of formula (I) ##... | 07/13/1999 |
| 5900050 | Method for conditioning organic pigments This invention relates to a process for preparing pigment compositions by conditioning an organic pigment, at about 50 to about 200° C., with (1) at least about 0.1% by weight, relative to the organic pigment, of one or more surfactants of formula (I) and/or ... | 05/04/1999 |
| 5871575 | Crystal modification of a diketopyrrolopyrrole pigment A diketopyrrolopyrrole of formula ##STR1## in its ଲ-modification. The novel ଲ-modification is also suitable as pigment for coloring high molecular weight organic materials. In comparison to the -modification, it has a shade shiftin... | 02/16/1999 |
| 5840106 | Water-based pigmented inks Water-based pigmented inks are disclosed. Such inks are formed from water-based dispersions of pigment particles having novel dispersants therein. The dispersions are formed from the reaction product of an alkenyl azlactone with an N-substituted amino aci... | 11/24/1998 |
| 5814141 | Liquid crystalline cellulose (ether) ethers as interferentially effective chromophoric substances The invention relates to a liquid crystalline, photo cross-linkable main-chain polymer used as interferentially effective, chromophoric substance for colored paints, in which the main mesogenic groups are disposed at least approximately in a chiral-nemati... | 09/29/1998 |
| 5807497 | Effect coating material and effect coating system, especially for vehicle bodies, using liquid-crystalline interference pigments The present invention discloses coated objects, such as car bodies, as well as coatings for coating such objects. In order to achieve new, hitherto unknown color effects with said coatings, at least some, and preferably only platelet-like interference pig... | 09/15/1998 |
| 5595593 | Treatment of fillers with oxa-silacycloalkanes A method of hydrophobing fillers such as inorganic pigments, metal oxides, metal hydroxides, and silicate minerals, involves contacting a filler with an oxa-silacycloalkane, until hydroxyl functionality on the filler is replaced with carbinol functionalit... | 01/21/1997 |
| 5591257 | Pigment preparations based on monoazo pigments Pigment preparations comprising a) at least one monoazo pigment of the formula (I) ##STR1## in which R is identical or different at each occurrence and is C1 -C3 -alkyl, C1 -C3 -alkoxy, chlorine or hydrogen, and... | 01/07/1997 |
| 5565578 | Process for the preparation of diaryldiketopyrrolopyrrole pigments A process for conditioning diaryldiketopyrrolo[3,4-c]pyrrole pigments (DPP) and for preparing solid solutions having a DPP component are disclosed. The inventive processes involve dissolving the DPP in aqueous, basic DMSO, alone, or in mixture with additi... | 10/15/1996 |
| 5525152 | Pigment salts and their use for dyeing and pigmenting The present invention relates to a process for coloring polymeric materials by dyeing or pigmenting said polymeric materials with a pigment salt having the formula (I): ##STR1## and tautomeric forms thereof, wherein Mn+ is an n-valent cat... | 06/11/1996 |
| 5484477 | Coating composition, granules coated with same, and method of reducing dust generation A coatable composition suitable for reducing dust generation during processing of granular materials consists essentially of a tackifier, an organic oil, and an adhesion agent, the tackifier consisting essentially of an organic material having a glass tra... | 01/16/1996 |
| 5443634 | Method for reducing thermal and light-induced brightness reversion in lignin-containing pulps A method and article of manufacture thereof is provided for reducing brightness reversion in bleached lignin-containing pulps or newsprint by the treatment of the bleached lignin-containing pulp or newsprint with 2,5-dihydroxydioxane. In one embodiment, c... | 08/22/1995 |
| 5380359 | Cosmetics based on naturally derived melanin-coated pigments A melanin-coated pigment obtained by coating a carrier with a readily alkali-soluble natural melanin, and a cosmetic containing the pigment are provided. The melanin-coated pigment is highly safe and has high coloring and high saturation tone, and a cosme... | 01/10/1995 |
| 5378275 | Mica-containing pigment composition and a water base paint composition containing a mica-containing pigment(s), as well as a method of manufacturing the same A water base paint composition containing a mica-containing pigment(s), said composition comprising a water base paint containing a water soluble or water dispersion film-forming polymer selected from among acrylic resin, polyester resin, alkyd resin and ... | 01/03/1995 |
| 5374302 | Water-insoluble sulphur dyes, their preparation and use The water-insoluble dyes of the formula I ##STR1## in which, for example, F is the dye chromophore of C.I. Leuco Sulphur Black 1, R is hydrogen, alkyl, M.sym. is a quaternary ammonium cation or phosphonium cation in which the sum of carbon... | 12/20/1994 |
| 5368637 | Water-insoluble sulphur dyes, their preparation and use The water-insoluble sulphur dyes of the general formula I ##STR1## in which F is a dye chromophore of, for example, C.I. Sulphur Black 1 and R1 to R4 and n are as defined in Claim 1, are suitable in particular for producing reco... | 11/29/1994 |
