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| Number | Title | Issue Date |
| 8172935 | Special effect pigments The present invention provides mixed metal oxide based special effect pigments that can be incorporated into optically thin binder systems to produce a “metal flake” appearance that is superior to the “metal flake” appearance presently achievable using conve... | 05/08/2012 |
| 8163079 | Platelet-shaped, copper-containing, metallic effect pigments, process for preparing them and use thereof Platelet-shaped, copper-containing, metallic effect pigments which have a copper content of 60% to 100% by weight, based on the total metal content, the metal pigments having a thickness distribution as determined via thickness counting by scanning electron microsco... | 04/24/2012 |
| 8157909 | Mixture of copper-containing metal effect pigments and method for the production thereof A mixture of platelet-shaped, copper-containing metallic effect pigments having a copper content of 60% to 100% by weight, based on the total metal content, with at least one further component, where the copper-containing metallic effect pigments have a thickness di... | 04/17/2012 |
| 7931746 | Black pigment compositions, thick film black pigment compositions, conductive single layer thick film compositions, and black and conductive electrodes formed therefrom The present invention is directed to pigment compositions with the formula BiwMnxCoyCuzO40, wherein w is between 7 and 9, x is between 3 and 13, y is between 2 and 13, z is between 0.5 and 7 and the sum of w, x,... | 04/26/2011 |
| 7438754 | Cobalt-containing black pigment particulates Disclosed is a black pigment having adequate degree of blackness and high electrical resistance at the same time. Specifically disclosed is a granular black pigment containing cobalt which is characterized in that it is composed of an oxide containing at least cobal... | 10/21/2008 |
| 7422793 | Non-toxic corrosion-protection rinses and seals based on rare earth elements Rinsing or sealing solutions comprising a rare earth element and a valence stabilizer for barrier films. The treated films contain a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof... | 09/09/2008 |
| 7407711 | Non-toxic corrosion-protection conversion coats based on rare earth elements Conversion coatings comprising a rare earth element and a valence stabilizer combined to form a rare earth/valence stabilizer complex are described for substrate metals. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof, ... | 08/05/2008 |
| 7341626 | Pigment compositions consisting of organic and inorganic pigments A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and containing one or more inorganic pigmen... | 03/11/2008 |
| 7316741 | Ceramic colorants in the form of nanometric suspensions Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use. ... | 01/08/2008 |
| 7291217 | Non-toxic corrosion-protection pigments based on rare earth elements A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination thereof, and at least one rare ... | 11/06/2007 |
| 7220305 | Particulate metal oxide A particulate metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The ... | 05/22/2007 |
| 7220793 | Curable film-forming composition exhibiting improved resistance to degradation by ultraviolet light A curable film-forming composition is provided comprising (i) 10 to 90 percent by weight based on the total weight of resin solids in the film-forming composition of a crosslinking agent; (ii) 10 to 90 percent by weight of a polymer containing a plurality of functio... | 05/22/2007 |
| 7147921 | Anti-fouling coatings containing silica-coated copper Anti-fouling compositions are disclosed. The compositions comprise a film-forming resin and an effective amount of silica coated copper. Methods for using the compositions are also disclosed, as are substrates coated with the compositions. The coatings find particul... | 12/12/2006 |
| 7135067 | Water-based pigment dispersions, the production thereof and the use of the same The invention relates to a pigment dispersion consisting essentially of a) at least one organic or inorganic pigment or a combination of the same, b) an alpha-methyl--omega-hydroxy-polyethylene glycol ether having an average molar mass of between 250 and 1000 g/mol,... | 11/14/2006 |
| 7060126 | Multilayered luster pigments The invention relates to multilayered luster pigments based on metallic substrates, which are completely surrounded by a plurality of layers, where these layers comprise at least one layer pack (A) having a colorless dielectric layer of a material with a refractive ... | 06/13/2006 |
| 7025820 | Method for forming an aqueous carbon black dispersion A method for forming an aqueous carbon black dispersion including providing a reaction mixture including carbon black having a DBP uptake of greater than 90 cc/100 g of the carbon black, a monovalent ion persulfate, an aqueous medium, and, in some embodiments, a str... | 04/11/2006 |
| 7014701 | Inorganic pigments The present invention provides inorganic pigments including cobalt and aluminum having the spinel crystalline structure that exhibit improved color and/or weatherability in paint and polymer applications. Inorganic pigments according to the invention are formed by a... | 03/21/2006 |
| 7011703 | Surface-treated pigments Inorganic pigments, having deposited on the pigment surface at least one alkenyl- or alkyl-substituted succinic anhydride and at least one organic polyol, possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties t... | 03/14/2006 |
| 6966998 | Security printing A method of providing covert security features for documents such as vouchers, packaged goods and banknotes in which the document is provided with a dopant. The dopant consisting of a material which can be identified by examination of its response to visible wavelen... | 11/22/2005 |
| 6911075 | Pigments having improved coloristic properties and process for their preparation The invention relates to a process for preparing pigments, which comprises subjecting a crude pigment or mixture of crude pigments and a crystalline inorganic salt or mixture of crystalline inorganic salts together, essentially in ... | 06/28/2005 |
| 6881255 | Pigment preparations Pigment preparations comprising a) at least one pigment, b) at least one polyethyleneimine which is alkoxylated, especially ethoxylated and propoxylated and/or butoxylated, and c) at least one condensation product based on ... | 04/19/2005 |
| 6866710 | Inorganic spherical absorption pigments The present invention relates to inorganic spherical absorption pigments which have a bimodal particle-size distribution, at least one color-providing layer and a final SiO2 layer, and to the use thereof in paints, coatings, printing inks, security printi... | 03/15/2005 |
| 6864096 | Temperature indicating paint An irreversible temperature indicating paint comprises 29 wt % to 37 wt % cobalt chromite spinel, alumina, gold purple and frit, 35 wt % to 45 wt % acrylic resin and 20 wt % to 30 wt % silicone resin excluding solvent. The solvent comprises a mixture of 80% 1-methox... | 03/08/2005 |
| 6861261 | Temperature indicating paint An irreversible temperature indicating paint comprises 29 wt % to 37 wt % cobalt aluminium spinel and glass, 35 wt % to 45 wt % acrylic resin and 20 wt % to 30 wt % silicone resin excluding solvent. The solvent comprises a mixture of 80% 1-methoxy-2-propanol and 20%... | 03/01/2005 |
| 6838286 | Temperature indicating paint An irreversible temperature indicating paint comprises 29 wt % to 37 wt % cobalt zinc silicon blue phenacite and a frit, 35 wt % to 45 wt % acrylic resin and 20 wt % to 30 wt % silicone resin excluding solvent. The solvent comprises a mixture of 80% 1-methoxy-2-prop... | 01/04/2005 |
| 6818050 | Lacquers and paints and coating material systems Paint and coating material system comprising a) at least one solids component comprising at least one organic or inorganic white, black or chromatic pigment, organic or inorganic fillers, or mixtures thereof, and b... | 11/16/2004 |
| 6811601 | Pigment preparations comprising alkoxylated polyethylenimine Pigment preparations comprising A) at least one organic or inorganic pigment and B) at least one ethoxylated and propoxylated and/or butoxylated polyethyleneimine. ... | 11/02/2004 |
| 6808806 | Methods for producing imaged coated articles by using magnetic pigments Methods and devices for producing images on coated articles are provided. The methods generally comprise applying a layer of magnetizable pigment coating in liquid form on a substrate, with the magnetizable pigment coating containing a plurality of magnetic non-sphe... | 10/26/2004 |
| 6800125 | Oxide metallic effect materials A color effect material is described as composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with a highly reflective silver layer which acts as a reflector to light directed thereon and an iron oxide layer. ... | 10/05/2004 |
| 6800127 | Pigment preparations The present invention relates to pigment preparations comprising polyamide particles with an average particle size of below 50 μm and a pigment of an average particle size below 0.2 μm. The inventive pigment preparations are useful for coloring high molecular weig... | 10/05/2004 |
| 6767633 | Transparent medium having angle-selective transmission or reflection properties and/or absorption properties The invention relates to a transparent medium comprising multilayer pigments having angle-selective reflection or transmission properties and/or absorption properties, and to their use, in particular in transparent thermal insulation systems (TTIs). ... | 07/27/2004 |
| 6767396 | Process for the preparation of aqueous magnetic ink character recognition ink-jet ink compositions A process for preparing an aqueous ink-jet ink composition for MICR applications is provided comprising preparing a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition, wherein the metal oxide pre-dispersion contains metal oxide pigment or pa... | 07/27/2004 |
| 6746527 | Aqueous magnetic ink character recognition ink-jet ink composition containing a combination of special surfactants An aqueous ink-jet ink composition for MICR applications is provided comprising a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition, wherein the metal oxide pre-dispersion contains metal oxide pigment or particles of a very small particle s... | 06/08/2004 |
| 6726759 | Aqueous magnetic ink character recognition ink-jet ink composition An aqueous ink-jet ink composition for MICR applications is provided comprising a metal oxide pre-dispersion combined with an aqueous ink-jet ink composition, wherein the metal oxide pre-dispersion contains metal oxide pigment or particles of a very small particle s... | 04/27/2004 |
| 6719837 | Pearlescent pigments The present invention relates to pearlescent pigments based on substrates coated with one or more layers of nitrides or oxynitrides to a method for the production of such pigments and their use in plastics, paints, coatings, powder coatings, inks, printing inks, gla... | 04/13/2004 |
| 6706785 | Methods and compositions related to laser sensitive pigments for laser marking of plastics Platelet-shaped substrates that are coated with metal oxides and that are useful in the laser marking of plastics are disclosed. The platelet-shaped substrates may be employed as an additive to plastic for laser marking of a wide variety of plastics and for use with... | 03/16/2004 |
| 6699579 | Particulates of controlled dimension We make particulates, especially magnetic Fe--Co alloys having high magnetic permeability, of controlled dimensions, especially those having a narrow thickness size distribution centered around a median or target thickness in the range of about 0.1-1.0 μ... | 03/02/2004 |
| 6673141 | Foundry sand with oxidation promoter Coating foundry sand with a thin layer of an oxidation-promoting catalyst. Preferred catalysts comprise ferric and cupric oxides. The catalysts promote the oxidation of any polymeric binder or residues admixed with the sand. The sand is coated by wetting ... | 01/06/2004 |
| 6653031 | Photosensitive coloring composition, and color filter and liquid crystal display panel using the same A photosensitive coloring composition comprising C.I. pigment yellow 150 which yields an extract in an amount of 1% by weight or less when subjected to extraction with tetrahydrofuran, other pigments, a solvent, a (meth)acrylic resin, a polyfunctional mon... | 11/25/2003 |
| 6582506 | Pigment flakes Pigment flakes having cores preferably composed of resins, polymers, thermoplastics, and/or thermosets with colorant (pigment and/or dyes) deposited thereon, coating applications thereof, and a method for making pigment flakes which includes providing a c... | 06/24/2003 |
