Color Additive (other Than Whitener) Patents (Class 106/712)
  • Patent number: 5882395
    Abstract: The present invention relates to a process for producing inorganic granules and to their use for the coloring of building materials, particularly concrete, asphalt, plaster, mortar and cement mortar, and for the production of paints for the protection of buildings.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: March 16, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Linde, Lothar Steiling
  • Patent number: 5863323
    Abstract: Binder compositions are provided which include a mineral binder and a silicon-containing carbon black. The silicon-containing carbon black can have attached an ionic or ionizable organic group or can be oxidized. Silicon-containing carbon blacks may be prepared by a furnace method. The binder compositions of the present invention have improved coloring and weathering properties in comparison to binder compositions prepared with conventional carbon blacks. Furthermore, the binder compositions that incorporate silicon-containing carbon blacks having ionic or ionizable organic groups attached exhibit excellent dispersibility, even in pelletized form. Articles such as roofing tiles can be prepared from the binder compositions. Also contemplated is a method of improving the color stability of a mineral binder composition. Silicon-containing carbon blacks as described above are added to the mineral binder composition.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: January 26, 1999
    Assignee: Cabot Corporation
    Inventors: Khaled Mahmud, Jameel Menashi, James A. Belmont, Ralph Ulrich Boes
  • Patent number: 5855665
    Abstract: An aqueous composition for coloring cement based compositions comprising water, pigment, a suspension enhancing agent and latex polymer solids.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: January 5, 1999
    Assignee: C-Cure Corporation
    Inventors: Charles J. Johansen, Jr., Ernest D. Hollas, Robert L. Vecchio, Hani Zoumut
  • Patent number: 5853476
    Abstract: A method for coloring cementitious systems using compacted inorganic granules, wherein said compacted inorganic granules comprise an inorganic pigment and a dispersing agent. Particularly, a method for coloring cementitious systems using compacted inorganic granules; wherein said compacted inorganic granules are produced by a process consisting of: (a) mixing an inorganic pigment and a dispersing agent, (b) compacting the mixture, (c) milling the compacted mixture, and (d) classifying the compacted mixture into at least one oversize material stream, at least one undersize material stream and at least one product stream of compacted inorganic granules; and wherein the coloring effect of the compacted inorganic granules in the cementitious system equals or exceeds the powder standard.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: December 29, 1998
    Assignee: Elementis Pigments, Inc.
    Inventor: James T. Will
  • Patent number: 5849218
    Abstract: Relates to an outer or top coating for water retention structures that comprises a water insoluble fluorescent compound that is invisible to the human eye under normal lighting conditions but which will fluoresce or glow and be visible to the human eye when illuminated with an ultraviolet or infrared radiation source.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: December 15, 1998
    Assignee: C-Cure Corporation
    Inventors: Charles J. Johansen, Jr., Ernest D. Hollas
  • Patent number: 5846315
    Abstract: An aqueous composition for coloring cement based compositions comprising water, pigment, a suspension enhancing agent and latex polymer solids.
    Type: Grant
    Filed: August 7, 1997
    Date of Patent: December 8, 1998
    Assignee: C-Cure Corporation
    Inventors: Charles J. Johansen, Jr., Ernest D. Hollas, Robert L. Vecchio, Hani Zoumut
  • Patent number: 5798037
    Abstract: The filter element comprises a filter medium which is incorporated into an assembly made of plastic components. At least one of the components incorporates titanium dioxide as a filler. The treatment of such a component with a laser produces a dark pigment within the component and thus can be used to form characters on the component to convey information regarding the filter element such as product part number, lot code, serial number or flow arrow.
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: August 25, 1998
    Assignee: Pall Corporation
    Inventor: George B. Peacock
  • Patent number: 5725656
    Abstract: This invention relates generally to a gypsum composition having improved setting and strength characteristics. More specifically, this invention relates to a gypsum composition comprising an acrylic latex and an aliphatic alcohol wherein the composition has a retarded setting rate. This gypsum composition may further comprise a melamine-formaldehyde polymer and/or a styrene butadiene latex. This invention further relates to an artificial marble gypsum composition.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: March 10, 1998
    Assignee: The Trustees of Colombia University in the City of New York
    Inventors: Semyon Shimanovich, Christian Meyer, Leon Cukrowski
  • Patent number: 5622557
    Abstract: Binder compositions are provided which include a mineral binder and a silicon-containing carbon black. The silicon-containing carbon black can have attached an ionic or ionizable organic group or can be oxidized. Silicon-containing carbon blacks may be prepared by a furnace method. The binder compositions of the present invention have improved coloring and weathering properties in comparison to binder compositions prepared with conventional carbon blacks. Furthermore, the binder compositions that incorporate silicon-containing carbon blacks having ionic or ionizable organic groups attached exhibit excellent dispersibility, even in pelletized form. Articles such as roofing tiles can be prepared from the binder compositions. Also contemplated is a method of improving the color stability of a mineral binder composition. Silicon-containing carbon blacks as described above are added to the mineral binder composition.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: April 22, 1997
    Assignee: Cabot Corporation
    Inventors: Khaled Mahmud, Jameel Menashi, James A. Belmont, Ralph U. Boes
  • Patent number: 5618860
    Abstract: A sprayable, trowelable epoxy polysiloxane based coating and flooring composition exhibiting excellent weatherability in sunlight and superior chemical, corrosion and impact resistance after curing is made up of: (a) a resin component which includes a non-aromatic epoxy resin having at least two 1,2-epoxy groups per molecule; a polysiloxane and an organooxysilane; (b) an difunctional aminosilane hardener component; (c) an organotin catalyst; and (d) an aggregate or pigment component. Organic solvents and flow modifying agents may be added to facilitate spray application. The resin component, hardener component, aggregate component and desired catalysts are combined in the presence of a sufficient amount of water to promote the hydrolysis of polysiloxane and/or organooxysilane and the polycondensation of the silanols produced by such hydrolysis. The aminosilane and epoxide resin react to form a cured linear epoxy polymer.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: April 8, 1997
    Assignee: Ameron International Corporation
    Inventors: Norman R. Mowrer, Raymond E. Foscante, J. Luis Rojas
  • Patent number: 5575845
    Abstract: A mineral binder composition having incorporated therein a carbon black product comprising a carbon black having attached an organic group containing an ionic or an ionizable group.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: November 19, 1996
    Assignee: Cabot Corporation
    Inventors: James A. Belmont, Ralph U. Boes, Jameel Menashi
  • Patent number: 5562765
    Abstract: A process for preparing an iron-manganese colorant, from an aqueous media containing metal ions, having an effective amount of iron and manganese present to impart color to building materials is disclosed.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: October 8, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Denis A. Brosnan, Cary V. Brown
  • Patent number: 5558708
    Abstract: A system and method for dispersing pigment in cement based compositions comprising a predetermined and prepackaged amount of a cement based component and a predetermined and prepackaged amount of an aqueous dispersion of a pigment containing component.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: September 24, 1996
    Assignee: C-Cure Corporation
    Inventors: Charles J. Johansen, Jr., Ernest D. Hollas, Robert L. Vecchio, Hani Zoumut
  • Patent number: 5542976
    Abstract: A blend for producing refractory imitation fireplace objects comprises between 30% and 50% amorphous aluminum siliceous mineral silicate, between 1% and 5% fibre and between 40% and 60% high temperature cement. A method of producing a slurry for casting the refractory objects consists of blending the amorphous aluminum siliceous mineral silicate, the fibre, an aggregate and colorant, adding and blending a high temperature cement and a dispersant and adding between 35% and 45% by weight of water.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: August 6, 1996
    Assignees: Ed Martin, Claude Simard
    Inventors: Ed Martin, Claude Simard, Brad Thompson
  • Patent number: 5534058
    Abstract: A structural product fabricated from waste materials and a method for making the product. The product includes fly ash, cellulose-based material and an adhesive binder. The product advantageously has good strength with light weight, can be sawed or hammered like wood and is substantially resistant to fire. The composition is particularly useful for forming structural products such as bricks, panels, roof shingles, studs and the like.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: July 9, 1996
    Assignee: Midway Environmental Associates, Inc.
    Inventor: William M. Strabala
  • Patent number: 5484481
    Abstract: The present invention relates to a process for the coloration of building materials such as concrete or asphalt by granulated inorganic pigments.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: January 16, 1996
    Assignee: Bayer AG
    Inventors: Gunter Linde, Manfred Eitel
  • Patent number: 5401313
    Abstract: This invention relates to modifying the surface of particles for improved dispersion characteristics in aqueous, solvent, resinous, polymeric, cementitious or the like application systems. In particular, this invention relates to a pigment or filler particle whose surface is coated with at least one electric charge modifying agent and at least one dispersion promoting agent, which has improved dispersibility, coloring, handling, and other processing properties in application systems. The electric charge modifying agent may be selected from the group of Mg, Ca, Ba, Sr, Ti, V, Zr, Cr, Mn, Fe, Co, Ni, Cu, Zn, and Al. The dispersion promoting agent may be selected from the group of stearates, acetates, alkylphenols, cellulosics, waxes, lignins, polyacrylics, polyepoxies, polyurethanes, polyethylenes, polystyrenes and polypropylenes, and polymers having functional groups of alcohols, glycols, aldehydes, amides and carboxylic acids. Iron oxide is the preferred pigment particle.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: March 28, 1995
    Assignee: Harcros Pigments, Inc.
    Inventors: William W. Supplee, James T. Will, Jr.
  • Patent number: 5362322
    Abstract: A multi-component settable epoxy blend for setting and grouting of ceramic tiles, pavers and quarry tiles, the first component comprising an epoxy resin and the second component comprising an epoxy hardener wherein one of the first or second components has a plurality of subcomponents, at least two of the subcomponents further comprising a color pigment additive which defines the same or different colors so that when the subcomponents are combined they produce a grout having a specific color shade selected by the user.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: November 8, 1994
    Assignee: C-Cure Chemical Company, Inc.
    Inventors: Charles J. Johansen, Jr., Robert L. Vecchio, Ernest D. Hollas
  • Patent number: 5324356
    Abstract: A tracer material having an identifiable property associated with a particular type product and/or a particular manufacturer is blended with dry, powder hydraulic cement-based building materials, which set to a hardened product after admixing with water or another hardening agent, to provide the capability of making a simple analysis of the hardened product to determine the presence or absence of the tracer material and thereby positively identify whether the building material used to produce the hardened product was a particular type and/or supplied by a particular manufacturer. The building material can be analyzed in the dry powder form prior to use to make the same type determination.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: June 28, 1994
    Assignee: ChemRex Inc.
    Inventor: Frederick R. Goodwin
  • Patent number: 5322563
    Abstract: A method for coloring building materials is disclosed, wherein a pigment suspension is added to the building materials. The pigment suspension based on pigment granules contains at least one pigment such as iron oxide, and a soluble phosphate salt. The soluble phosphate salt has a number ratio of monofunctional metal ions to phosphorus of 2:1 to 1:1, and is exemplified by sodium pyrophosphate, sodium polyphosphate, and sodium hexametaphosphate.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: June 21, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz van Bonn, Bernd Krockert, Gunter Linde
  • Patent number: 5314536
    Abstract: A method of making a construction material luminous in response to ultraviolet rays. An inorganic material containing an ultraviolet luminous substance can be used as pigment after formed into gravelish, sandy or fragmentary material and, thus, a sufficient amount of luminance thereof can be ensured over long years while being prevented from deterioration with time of pigment. In particular, when using as inorganic materials ores containing ultraviolet luminous substance which is obtainable at a low price, pigment can be prepared at a low cost and patterned and decorated construction materials can also be manufactured at a low cost. Further, with the use of a large number of small pieces containing ultraviolet luminous substances as a pattern composing pieces, patterns complicated in shape and various in color can easily be produced on the surface of a construction material.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: May 24, 1994
    Inventor: Masaki Kawasaki
  • Patent number: 5306343
    Abstract: A tag is added to an asphalt additive, typically an anti-stripping agent. The additive dye is mixed with other components of an asphalt composition and melt processed at 300.degree. F. (149.degree. C.) or above to produce an asphalt composition. Presence of the tag to identify presence of the additive is performed by dissolving the asphalt portion of the composition in a water-immiscible solvent and then extracting the tag in an acidic aqueous solution and developing a color with a diazo compound.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: April 26, 1994
    Assignee: Morton International, Inc.
    Inventors: Walter A. Richardson, III, Alejandro Zimin, Sr., James Fuerholzer, Michael R. Friswell, Michael P. Hinton, Peter A. Caputo
  • Patent number: 5248338
    Abstract: Colored marbled concrete and the process of producing same in a variety of different hues and color or colors by mixing dye into the primary mix, and then adding accent color or colors mixed separately and added gently to the primary mix to create a marble effect.
    Type: Grant
    Filed: May 5, 1992
    Date of Patent: September 28, 1993
    Inventor: Gary Price
  • Patent number: 5215584
    Abstract: Building materials such as plaster, lime-sand bricks, fiber cement parts, cast stones, roof tiles, flagstone and paving setts are colored by incorporating therein in organic granules produced from a suspension of one or more inorganic pigmenting agents and a hydrolyzed or poorly soluble compound of one or more ion types present per se as an essential constitutent in one or more pigments.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: June 1, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Buxbaum, Bernd Krockert
  • Patent number: 5215583
    Abstract: Building materials are colored with pigments, for example iron oxide pigments, in the form of granules produced from a suspension of one or more pigments wherein the suspension also contains 0.05 to 5% of soluble salts, based on pigment weight.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: June 1, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Krockert, Gunter Linde
  • Patent number: 5199986
    Abstract: Colored building materials are produced by incorporating into the building materials inorganic pigments in the form of granulates which are free-flowing and not dust forming wherein the pigments are produced from spray dried granulates by after-granulating.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: April 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Krockert, Gunter Linde, Manfred Eitel, Kurt Schafer, Klaus Rohbock
  • Patent number: 5164007
    Abstract: Building materials such as concrete can be colored by a black pigment which consists essentially of manganese ferrite of the composition Mn.sub.1+x Fe.sub.2-x O.sub.4 with a spinel structure wherein x has a numerical value from -0.1 to 0.1 and the pigment is prepared by a process whereina) soluble manganese (II) salts and soluble iron (II) salts are precipitated from a solution of metal salts by reaction with alkaline precipitating agents in an approximately stoichiometric ratio,b) the precipitate from a) is reacted with an oxidizing agent to form a pigment, andc) the pigment is filtered, washed, dried and ground.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: November 17, 1992
    Assignee: Bayer AG
    Inventor: Gunter Buxbaum
  • Patent number: 5120367
    Abstract: A device comprising a solid or powdered concrete admixture contained in a water-soluble container such that when the container and its contents are introduced into a wet mixer and agitated for a period of time, the water-soluble container is dissolved and the contents are released into the wet mixer. A separate water-insoluble receptacle is used to house and store the water-soluble container and its contents. In addition, there is disclosed a method for modifying the properties of a concrete by introducing a pre-weighed amount of solid admixture contained in a water-soluble container into a wet mixer and thereafter agitating the resulting mix.
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: June 9, 1992
    Assignee: Fritz Chemical Company
    Inventors: Dwight Smith, Jack L. Edwards
  • Patent number: 4946505
    Abstract: Coloring materials used in a process of dyeing concrete consist of pigment granules other than compacted or briquetted granules. The granules consist of one or more pigments, one or more binders for promoting the dispersing of the pigments in the concrete, and optional other additives. Such pigment granules, particularly bead granules, will easily dissolve in the concrete mixer and will be homogeneously dispersed in the concrete.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: August 7, 1990
    Assignee: Chemische Werke Brockhues AG
    Inventor: Axel E. Jungk