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| Number | Title | Issue Date |
| 7806977 | Compositions and methods comprising titanium dioxide pigments and coupling agents Pigment compositions and methods are provided comprising coupling agents. In various embodiments, a pigment is provided comprising titanium dioxide and a coupling agent having the formula: (R′O)(q-n)M(XRm)n wherein M is Ti, Zr, Sn,... | 10/05/2010 |
| 7452416 | Cationic titanium dioxide pigments A composition containing cationic pigment particles includes titanium dioxide particles to which are bound a first water-soluble cationic polymer and cationic polymer latex particles. In some embodiments the cationic latex is made by treating an anionic latex with a... | 11/18/2008 |
| 7390355 | Zinc oxide A dispersion containing zinc oxide particles having a dispersion particle size of (i) median volume particle diameter in the range from 70 to 130 nm, (ii) less than 16% by volume of particles having a volume diameter of less than 35 nm below the median volume partic... | 06/24/2008 |
| 7387672 | Oxidation-stable iron oxide pigments, process for preparing them and their use The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use. ... | 06/17/2008 |
| 7371276 | Titanium dioxide pigment and method for producing the same and resin composition using the same The titanium dioxide pigment of the present invention contains an anatase type crystal in an amount of 98-100% and has an average particle diameter of 0.2-0.4 μm and a whiteness of 95-97 in terms of L value of linseed oil. The titanium dioxide pigment of the presen... | 05/13/2008 |
| 7344590 | Silver pigments The present invention relates to silver pigments based on transparent, low-refractive-index, platelet-shaped substrates which have a high-refractive-index coating consisting of TiO2 having a layer thickness of 5-300 nm and optionally an outer protective l... | 03/18/2008 |
| 7339000 | Method and apparatus for producing an aqueous paint composition from a plurality of premixed compositions The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject prem... | 03/04/2008 |
| 7285162 | Titanium dioxide pigment having improved light stability In various embodiments, methods and compositions are provided comprising titanium dioxide and silica spacers having improved light stability for use in paper, plastic and paints. ... | 10/23/2007 |
| 7261770 | Compositions and methods comprising pigments and polyprotic dispersing agents In various embodiments, a pigment composition is provided comprising a base particle and a dispersing agent, the dispersing agent comprising a salt and/or ester of: (i) an amine, alcohol, and/or alkanol amine and (ii) a polyprotic acid, wherein the mole ratio of the... | 08/28/2007 |
| 7261942 | Photocatalytically-active, self-cleaning aqueous coating compositions and methods Method for producing novel photochemically-active metal oxide-containing aqueous compositions such as TiO2 compositions coated or sprayed and dried under ambient conditions to form novel photochemically-active, colorless coatings having strong wetability ... | 08/28/2007 |
| 7250080 | Process for the manufacture of organosilicon compound-treated pigments An improved process for making an organosilicon compound surface-treated titanium dioxide material, comprising (a) forming a mixture of the titanium dioxide material in water, (b) wet milling the mixture, (c) adjusting the pH of the slurry resulting from step (b) to... | 07/31/2007 |
| 7238231 | Process for manufacturing zirconia-treated titanium dioxide pigments An improved process is described for manufacturing zirconia-treated titanium dioxide pigments, wherein the zirconia treatment is accomplished in the process of fluidizing a titanium dioxide filter or press cake and then drying the same, through the addition to the f... | 07/03/2007 |
| 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 |
| 7169322 | Aqueous dispersion, process for its production and use Aqueous dispersion containing a silicon-aluminum mixed oxide powder, the powder containing 0.1 to 99.9 wt. % Al2O3 and Si—O—Al-bonds. The dispersion can be produced using dispersing and/or grinding devices which a achieve an energy input of... | 01/30/2007 |
| 7166157 | Method for the surface treatment of a titanium dioxide pigment A method and material for improved TiO2 pigment for paper and laminates is described. Phosphorous, titanium, and aluminum compounds are successively added to a TiO2 pigment suspension. Resulting pigments show improved greying resistance and hid... | 01/23/2007 |
| 7160374 | Flaky pigments coated with a coupling agent and a perfluoroalkyl phosphate A flaky pigment excellent in leafing properties and in adhesion between pigment particles and a coating (resin) was obtained by coating the surface of a flaky pigment with a coupling agent and a phosphate having a perfluoroalkly group or a silane compound. According... | 01/09/2007 |
| 7156914 | Pigment paste for concrete and method for making the same A pigment paste and a method for making the same that alters the appearance of concrete such that, after the concrete sets, it resembles natural stone concrete sets, it resembles natural stone (e.g., marble, granite, sandstone, bluestone, etc.) without separately ap... | 01/02/2007 |
| 7144840 | TiOmaterial and the coating methods thereof The present invention relates to a titanium dioxide material for coating on a substrate and method of making the same. The coated material is resistant to delamination and can be used for air-purification purposes. ... | 12/05/2006 |
| 7144838 | Process for production of titanium dioxide pigment and resin composition containing the pigment The present invention relates to a process for producing titanium dioxide pigment, which comprises a step of coating hydrolysis product of an alkylsilane compound represented by the following formula (1): (where ... | 12/05/2006 |
| 7138011 | Surface treated pigments Inorganic pigments treated with at least one N,N,N-trialkyl quaternary amino acid inner salt possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic compositions containing said surface-treated p... | 11/21/2006 |
| 7138044 | Aqueous dispersions of polymerizable reactants and a water incompatible catalyst sorbed on an inorganic particulate carrier and polymers produced thereby Aqueous compositions containing polymerizable components and a water incompatible catalyst for the polymerization reaction sorbed onto an inorganic particulate carrier, polymers produced thereby and articles coated with said polymers are provided. The invention also... | 11/21/2006 |
| 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 |
| 7135066 | Titanium white paint for ice surfaces Ice paint for painting ice surfaces. The ice paint comprises rutile TiO2, precipitated calcium carbonate manufactured to a particle size of 0.8 microns, and water. The rutile TiO2 is combined with the precipitated calcium carbonate in a ratio of at least 1 part ruti... | 11/14/2006 |
| 7132470 | Method and apparatus for producing an aqueous paint composition from a plurality of premixed compositions The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject prem... | 11/07/2006 |
| 7118622 | Organic dyes suitable for use in drugs and cosmetics laked onto a platy titanium dioxide pigment An unsupported platy titanium dioxide pigment containing an organic dye laked thereon. The dyed TiO2 pigment is useful to color cosmetic, food, and drug formulations. ... | 10/10/2006 |
| 7115692 | Grinding and/or for dispersing aid of mineral materials in aqueous suspension, resulting aqueous suspensions and uses thereof The invention relates to the use of water-soluble homopolymers and/or copolymers of acrylic and/or methacrylic acid with one or more acrylic, vinyl or allyl monomers as a dispersion and/or grinding-aid agent for mineral particles in aqueous suspension. The in... | 10/03/2006 |
| 7101427 | Particulate metal oxide A particulate metal oxide having a 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 me... | 09/05/2006 |
| 7091262 | Particulate inorganic solids treated with organophosphinic compounds A treatment for particulate inorganic solids is provided. This treatment, which uses certain organophosphinic compounds, imparts improved physical and chemical qualities including lacing resistance, improved dispersion and decreased chemical reactivity when these tr... | 08/15/2006 |
| 7084179 | Titanium oxide dispersion, thin film and process for producing these An aqueous dispersion of titanium oxide particles comprising chloride ion, and a Brønsted base other than chloride ion, preferably at least one kind of ion selected from nitrate ion and phosphate ion. Preferably the titanium oxide particles are predominantly compri... | 08/01/2006 |
| 7065429 | Method and apparatus for producing an aqueous paint composition from a plurality of premixed compositions The present invention is directed to the provision of premixed aqueous compositions which are used to provide a paint composition of varying finish characteristics at the point of sale. Thus, the merchant distributing the paint composition made from the subject prem... | 06/20/2006 |
| 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 |
| 6958091 | Surface-treated pigments Inorganic pigments treated with at least one amide of a fatty acid and an aliphatic amine possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic compositions containing said surface-treated pigm... | 10/25/2005 |
| 6946028 | Surface-treated pigments Inorganic pigments treated with one or more of the α,α-dialkyl substituted linear or branched carboxylic acids and the salts thereof possess improved processibility and dispersibility in thermoplastic materials, and impart improved properties to thermoplastic comp... | 09/20/2005 |
| 6913639 | Surface functionalization of pigments and/or dyes for radiation curable ink printing and coating applications Functionalized pigment compositions produced by reacting a radiation reactive organ metallic coupling agent with a pigment/dye. ... | 07/05/2005 |
| 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 |
| 6908675 | Process to reduce dusting and improve flow properties of pigments and powders Titanium Dioxide and other pigments or powders processed by this present process are smoothly discharging, low dusting, agglomerated, compaction resistant, extremely friable and fully dispersable. The process for the production of smoothly discharging pigment or pow... | 06/21/2005 |
| 6884752 | Photocatalytically-active, self-cleaning aqueous coating compositions and methods Method for producing novel photochemically-active metal oxide-containing aqueous compositions such as TiO2 compositions coated or sprayed and dried under ambient conditions to form novel photochemically-active, colorless coatings having strong wetability ... | 04/26/2005 |
| 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 |
| 6852158 | Method for attachment of one or more organic groups onto a particle A method of attaching one or more organic groups onto a particle is described which involves reacting at least one radical with at least one particle wherein the radical is generated from the interaction of at least one transition metal compound with at least one or... | 02/08/2005 |
| 6846356 | Pigment concentrates and method for producing them Pigment concentrates comprising at least one pigment and one polyolefin wax prepared from one or more olefins by catalysis with a single-site catalyst comprising a transition metal of groups 5 to 8 of the Periodic Table, where the complex contains not more than one ... | 01/25/2005 |
