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| Number | Title | Issue Date |
| 7407615 | Method for producing concrete or mortar using a vegetal aggregate A method for producing concrete or mortar based on an exclusively vegetal aggregate, a mineral binding agent, and mixing water is described. Instead of the vegetal aggregate being premineralized in a separate step of the operation, 4 to 14 kg of a non-hydratizable, ... | 08/05/2008 |
| 7297205 | Use of polyacrylic acids as grinding aids for calcium carbonate The invention relates to the use of polyacrylic acids which contain organic terminal groups containing sulphur, comprising at least two carbon atoms, having an average molecular weight Mw of 5 000-30 000 g/mol and which are at least partially neutralized ... | 11/20/2007 |
| 7267719 | Use of colloidal PCC The invention relates to a process for regulating the porosity and printing properties of paper, in particular uncoated wood-containing paper such as SC-paper, wherein a sufficient quantity of colloidal PCC having a BET surface area of 10-100 m2/g is used... | 09/11/2007 |
| 7261869 | Processes for preparing calcium carbonate Inexpensive spindle- or rice-like calcium carbonate giving useful properties for brightness, opacity and wire abrasion resistance as a paper filler is provided by taking advantage of the causticization step. When a white liquor is used for slaking a quick lime, the ... | 08/28/2007 |
| 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 |
| 7238739 | Use of calcium carbonate in rigid poly(vinyl chloride) compositions Poly(vinyl chloride) is compounded with a chalk-like, essentially pure calcium carbonate to provide improved weathering resistance of rigid poly(vinyl chloride) articles subjected to external exposures of heat and sunlight. Blends and alloys are also disclosed. Opti... | 07/03/2007 |
| 7153356 | Children's washable paint The invention relates to a washable paint comprising about 2.5 to 10 weight percent of a high molecular weight polyethylene glycol having a molecular weight between 2,000 and 20,000, a water swellable clay in the amount of 0.5 to 1.5 weight percent; and a high molec... | 12/26/2006 |
| 7060127 | Silica-calcium carbonate composite particles Silica-calcium carbonate composition particles having the characteristics of both synthetic silica and calcium carbonate are described along with paper having the particles internally filled therein and a method for making the particles. In the carbonation re... | 06/13/2006 |
| 7033428 | Acid stabilized calcium carbonate an method of making it The present invention relates to an acid-stabilized calcium carbonate slurry having a pH of less than 7, preferably between about 6 and about 7, containing water, calcium carbonate, preferably precipitated calcium carbonate, and an acid-stabilizer of a water soluble... | 04/25/2006 |
| 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 |
| 6946510 | Use of weakly anionic copolymers as dispersing and/or grinding aid agent of an aqueous suspension of mineral materials The invention relates to the use of a slightly anionic and water-soluble copolymer, as a dispersing agent and/or an agent for assisting the grinding of pigments and/or mineral fillers in aqueous suspension giving on the one hand a low Zeta potential to the aqueous s... | 09/20/2005 |
| 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 |
| 6911116 | Cationically modified white pigments, their production and use Cationically modified white pigments (W) in particulate form, essentially consisting of a particulate inorganic white pigment (M) of a particle size in the range of 0,1 to 40 μm and an applied water soluble, cationic, crosslinked polymer (PA) containing ... | 06/28/2005 |
| 6893536 | Process and coating composition for coating a paper web The invention relates to a process for producing a coated paper web, According to the process, a paper web is formed from a fibrous raw material in a paper machine, the paper web is coated with a pigment-containing coating mix, and the coated paper web is calendered... | 05/17/2005 |
| 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 |
| 6833025 | Coating composition for a paper and paper coated therewith Coating composition comprising mineral pigment, for creating a matt or silk coated paper with decreased ink scuff tendency. The coating composition also comprises organic particles, which particles in an amount of 0.5-9.5 weight-% calculated on said mineral pigment,... | 12/21/2004 |
| 6811600 | Chemically bulked kaolin clay pigment compatible with calcium carbonate and manufacture thereof In a process for preparing a white pigment mixture suitable for coating paper wherein a cationically bulked kaolin clay pigment is dispersed in water in the presence of an anionic dispersant and mixed with a calcium carbonate pigment, the improvement which comprises... | 11/02/2004 |
| 6716523 | Spandex and it's preparation with dispersant slurry A dispersant slurry for making spandex, based on phosphated block poly(alkylsiloxane)-poly(alkyleneether) alcohol or aromatic- or alkylaromatic-terminated phosphated poly(alkyleneether) alcohol dispersants, is provided. ... | 04/06/2004 |
| 6699318 | Process for preparing and modifying synthetic calcium carbonate The present invention concerns a process for preparing calcium carbonate pigment from calcium oxide and/or calcium hydroxide and carbon dioxide in the presence of water. According to the invention, the starting materials are reacted in fluid state contain... | 03/02/2004 |
| 6695902 | Asphalt composites including fly ash fillers or filler blends, methods of making same, and methods for selecting or modifying a fly ash filler for use in asphalt composites The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that when combined with asphalt produces asphalt composites such as roofing shingles with improved mechanical properties at a lower cos... | 02/24/2004 |
| 6676742 | Mixture that can be added to decorative aqueous-phase paint products A physical and chemical mixture of aggregative material, chemical products, mineral fillers and/or special pigments in dispersion, with metallic effect, designed to be added to aqueous-phase paint products having a monochromatic-flocculate or multichromat... | 01/13/2004 |
| 6666914 | Black colorant for ink-jet printing ink, ink-jet printing ink, and aqueous pigment dispersion containing the black colorant A black colorant for ink-jet printing ink, has an average particle diameter of 0.001 to 0.15 μm, and comprises: extender pigments as core particles; a gluing agent-coating layer formed on at least a part or the surface of said core particles; and ... | 12/23/2003 |
| 6623555 | Composite precipitated calcium carbonate/silicon compound pigment and method of making same A method of making a composite pigment of precipitated calcium carbonate (PCC) and a silicon compound, in which the resulting composite pigment is endowed with an excellent combination of optical and mechanical properties. Among other things, a PCC/silica... | 09/23/2003 |
| 6623557 | Colorant for ink-jet printing ink, ink-jet printing ink, aqueous pigment dispersion containing the colorant, and organic and inorganic composite particles A colorant for ink-jet printing ink of the present invention, has an average particle diameter of 0.001 to 0.15 μm, and comprises: extender pigments as core particles; a gluing agent coating layer formed on at least a part of surface of said core particl... | 09/23/2003 |
| 6620856 | Production of concentrated carbonate suspensions A method of producing a rheologically stable concentrated aqueous suspension of a particulate alkaline earth metal carbonate which method comprises the following steps: (a) preparing a dilute aqueous suspension of the carbonate having a solids content of ... | 09/16/2003 |
| 6613138 | Manufactured granular substrate and method for producing the same A manufactured granular substrate composition suitable for use as a carrier for active chemical agents. The composition includes one or more mineral components having a bulk density greater than about 70 pounds per cubic foot. The composition also contain... | 09/02/2003 |
| 6610136 | Pigments for ink jet paper Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating and filling compositions for ink jet printing media are manufactured by dry grinding an unground mineral composition starting material and then opt... | 08/26/2003 |
| 6596071 | Organic and inorganic composite pigments, and paint and resin composition using the same Organic and inorganic composite pigments having an average particle diameter of 0.01 to 10.0 μm composed of a white inorganic particle, an organosilane compound obtained from alkoxysilanes, or polysiloxanes coating on the white inorganic particle, and an... | 07/22/2003 |
| 6596073 | Solid pigment preparations The invention relates to a solid pigment composition comprising a) at least one pigment, b) at least one compound selected from the group consisting of b0) a phenol-styrene-polyglycol ether or an ionically modified phenol-styrene-polyglycol ether, b1) a condensatio... | 07/22/2003 |
| 6593400 | Talc antiblock compositions and method of preparation The present invention relates to a product, a process for its preparation and the use of such in plastic film production. More specifically, the present invention relates to an antiblock talc, a process for the preparation of such and its use as an additi... | 07/15/2003 |
| 6582510 | Use of comb-branched copolymers as pigment dispersants A pigment dispersion suitable for use in the manufacture of pigmented coating compositions is provided. The pigment dispersion comprises a) pigment, b) carrier, and c) an acrylic/polyether comb-branched copolymer dispersant wherein the polyether portion o... | 06/24/2003 |
| 6572694 | Pigment extending composition and method of production thereof A pigment composition for use as a substrate to produce ink, paints, and pigment compounds, the composition being made from an aqueous slurry containing about 17 to 40% calcium carbonate, based on the weight of said aqueous slurry, and an inorganic pigmen... | 06/03/2003 |
| 6531514 | Dispersant slurries for making spandex A dispersant slurry for making spandex, based on phosphated block poly(alkylsiloxane)-poly(alkyleneether) alcohol or aromatic- or alkylaromatic-terminated phosphated poly(alkyleneether) alcohol dispersants, is provided.... | 03/11/2003 |
| 6511536 | Pigment in thin flakes coated with calcium carbonate and a method for manufacturing the same Pigments of flake substrate coated with calcium carbonate wherein the surface of the flake substrate is coated with fine particles of calcium carbonate. The pigment may be manufactured by a method where calcium carbonate in fine particles is separated out... | 01/28/2003 |
| 6416868 | Alkaline earth-manganese oxide pigments Alkaline earth-manganese oxides are used as pigments. The alkaline earth-manganese oxide pigments are preferably of the formula Mex MnOy, where Me is at least one metal selected from Ca, Sr, Ba and Mg, x is from 0.01 to 99, and y is ... | 07/09/2002 |
| 6402824 | Processes for preparing precipitated calcium carbonate compositions and the products thereof Processes for making high quality PCC compositions, and the resulting PCC products thereof. A precipitated calcium carbonate (PCC) composition is prepared by a process comprising the step of wet media mill grinding an aqueous slurry of PCC made by carbona... | 06/11/2002 |
| 6387500 | Multi-layered coatings and coated paper and paperboards A multi-layered coating for use preferably on paperboard or paper is disclosed wherein the coating contains at least two layers. The first layer contains at least one dark colorant, at least one white or near white pigment, and at least one binder, and th... | 05/14/2002 |
| 6372832 | Glycol dispersion of inorganic powder, process for producing the same, and polyester composition containing the dispersion A glycol dispersion of an inorganic powder is provided, which comprises glycol and an inorganic powder dispersed therein, said inorganic powder being surface-treated with a dispersant having a solubility of not less than 5 (g/100 g-water) in water of 20°... | 04/16/2002 |
