Matches 251 - 300 out of 315 < 1 2 3 4 5 6 7 >
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4325741 Fibroin-coated pigment and processes for producing same  
A fibroin-coated pigment and two processes for producing the same are disclosed. The fibroin-coated pigment comprises a carrier pigment in the form of finely divided particles whose surfaces are...
4323554 Preparation and use of improved pearlescent pigments of high light fastness  
Colored material-containing pearlescent pigments based on mica flakes coated with metal oxide contain as colored material, a colored aluminum lake which is fixed as a water-insoluble compound on...
4309480 Iron blue nacreous pigments  
An iron blue coated substrate nacreous pigment which yields less than ten parts per million of water-soluble cyanide due to the stability thereof to heat during drying is prepared by the admixing...
4269628 Compositions of vermiculite lamellae and solid particulate materials  
A composition comprising vermiculite lamellae (delaminated vermiculite) and one or more solid particulate materials which have a basic reaction in water, especially magnesium oxide. These...
4217455 Preparation of transparent and easily dispersible perylene-3,4,9,10-tetracarboxylic acid diimide pigments of high tinctorial strength  
A process for the preparation of transparent pigmentary forms, of high tinctorial strength, of perylene-3,4,9,10-tetracarboxylic acid bis-p-phenetidide and bis-p-chloroanilide, in which the diimide...
4192691 Metal oxide platelets as nacreous pigments  
Unsupported metal oxide platey nacreous pigments are derived from metal oxide coated mica by a unique dissolution process and show higher luster and coverage than the pigment from which they are...
4184880 Aqueous polysiloxane emulsions with mica treated with organosilicon compound  
Aqueous diorganopolysiloxane emulsions containing dispersed inorganic silicates which have been treated with an organosilicon compound to impart hydrophobic properties thereto. The resultant...
4168986 Method for preparing lamellar pigments  
A method for the production of lamellar pigments by a vacuum deposition process is described. The method involves the deposition of a thin layer of sodium fluoride release-substrate material upon a...
4134776 Exterior grade titanium dioxide coated mica  
This invention relates to a titanium dioxide coated mica platey pigment which displays high luster or reflectivity in a suitable coating on a smooth surface, and which has a high resistance to...
4132667 Corrosion inhibiting molybdate pigment and preparation thereof  
A novel group of corrosion inhibiting pigments has been discovered, which is based on zinc molybdate compounds selected from sodium zinc molybdate, potassium zinc molybdate, ammonium zinc molybdate...
4128435 Lustrous pigments for pigmenting casein plastics  
Pigmented substantially crack-free casein plastic compositions containing a minor, luster-imparting quantity of coated mica platelets, wherein at least 75% of the pigment particles possess an...
4086100 Rutile-containing lustrous pigments  
Mica flake-based lustrous pigments having a plurality of TiO 2 and SnO 2 layers thereon comprising at least one succession of rutile/SnO 2 /rutile have improved properties, including light and...
4084983 Dyed lustrous pigments  
Lustrous pigments having a wide range of colors and especially suitable for the cosmetics industry are produced by forming an aluminum lake on a micaceous pigment coated with aluminum hydroxide.
4076551 Carbon black-containing pigments and process for their preparation  
A process for the preparation of carbon black-containing pigments consists essentially of precipitation of a carbon black-containing metal hydroxide or bismuth oxychloride layer on substrate...
4067819 Synthetic tetra-silicic mica and water sol thereof  
This invention relates to a process for producing a tetra-silicic mica having the formula Na 0 .6 - 0.8 Mg 2 .6 - 2.7 (Si 4 O 10 )F 2 which comprises mixing components selected from the group of...
4065158 Recording sheet for forming intensely colored iridescent indicia  
A novel printing surface for recording indicia by an intensely colored iridescent interference color is provided by a white thin film of an iridescent pigment on a base web. The vivid color is...
4047969 Iron blue nacreous coated pigments  
By addition of ferric ions to a ferrocyanide solution and adjustment of the pH, Iron Blue is directly precipitated and adheres to a mica or metal oxide coated mica substrate.
4040859 Tin-containing lustrous pigments  
Lustrous pigments based on mica flakes coated with metal oxides have a very uniform coating layer of tin dioxide, which can contain aluminum oxide, or the hydrates thereof.
4038099 Rutile-coated mica nacreous pigments and process for the preparation thereof  
Nacreous pigment products comprising mica particles coated with translucent layers consisting essentially of titanium dioxide in the rutile form. A process for the preparation of such pigment...
4028134 Reinforced resin filler compositions  
Reinforced synthetic polyester resin compositions are provided having 10 to 60 percent by weight of resin, 1 to 30 percent by weight of glass spheres, 10 to 60 percent by weight of Suzorite mica...
4017326 Enhancement of iridescent colors to provide vivid recording colors  
Iridescent pigments, of the type which comprise colorless micaceous substrates having thereon at least one overcoating of an essentially transparent material with a refractive index over about 2.0,...
4000109 Thermoplastic polyester compositions  
Poly(tetramethylene terephthalate) compositions containing at least 2.5% by weight of the composition of a finely divided metal borate stable under the normal processing conditions for the polyester.
3926659 Iron-containing mica flake pigments  
Novel mica flake pigments optionally coated with TiO 2 , ZrO 2 and/or the hydrates thereof, having a uniform iron-containing layer thereon consisting of an iron(III) oxide hydroxide, magnetite...
3925095 Free-flowing dispersible inorganic pigment of filler compositions containing hydroxyalkylate alkylene diamines  
A free-flowing, dispersible composition comprising an inorganic pigment or filler and a hydroxyalkylated alkylene diamine advantageously of the formula ##SPC1## In which R is an alkylene radical of...
3861946 TITANIUM DIOXIDE NACREOUS PIGMENTS AND PROCESS FOR THE PREPARATION THEREOF  
Nacreous pigments comprising crystalline TiO 2 platelets, either supported on corresponding plate-like calcium sulfate anhydrite particles or self-supporting. The pigments are prepared by...
3819566 PREPARATION OF NACREOUS PIGMENTED PLASTIC OBJECTS  
The surface stripping of titanium dioxide coated mica platelets in plastic is minimized by the use of a low molecular weight ethylene polymer.
3661609 METHOD FOR PREPARING NACREOUS PIGMENTS  
Improved pearlescent pigments are prepared by combining an aqueous, divalent metal salt solution with an aqueous solution comprising an alkali metal biphosphate or ammonium phosphate and a reducing...
3656982 PEARLESCENT PIGMENT  
The luster, compressibility and other cosmetically important properties of various pearlescent pigments are substantially improved by coating the surface of the pigment particles with a composition...
3650790 NACREOUS MICA PIGMENT COMPOSITIONS  
Nacreous pigments exhibiting intense interference colors, reduced milkiness and substantial luster are prepared by depositing a thin layer of titanium dioxide on mica flakes, treating the resulting...
3647492 METHOD OF MAKING COLORED PIGMENTS HAVING PEARLESCENT QUALITIES  
Pearlescent substrate may be modified with finely divided insoluble pigments by dispersing an adhesive binder substance in an aqueous suspension of the said substrate and pigment, effecting...
3634119 NACREOUS PIGMENT COMPOSITIONS  
Nacreous pigment exhibiting interference colors and a high degree of opacity, composed of a metal oxide, such as titanium dioxide, in particulate form on mica substrate, at least part of the mica...
3536520 NICKEL COATED FLAKE PIGMENTS AND METHODS FOR THEIR PREPARATION  
3455719 METHOD OF MAKING SPONGY SUBSTANCES HYDROPHOBIC  
3450550 INORGANIC BLUE TO GREEN PIGMENTS  
3440075 GOLDEN FLAKE PIGMENTS COATED WITH SILVER AND HYDROUS OXIDES  
3438796 ALUMINUM-SILICA-ALUMINUM FLAKE PIGMENTS  
3385802 Foamed polyester coatings containing coal as filler  
3374105 Particulate reflective elements and method for forming the same  
3372047 Color stabilized mica  
3356515 High temperature protective coating  
3342617 Nacreous pigment compositions  
3311485 Mica pigments  
3285734 Method of producing homogeneous metal-containing solid mixtures  
3274013 Shrinkable regenerated cellulose band incorporated with translucent micaceous flakes  
3243629 Electroluminescent lamp and manufacture thereof  
3188225 Method of producing carbon-silicate complexes  
3107173 Mica pigment  
3102038 Protective coating  
3090764 Intumescent mastic coating  
3087829 Micaceous pigment composition  
Matches 251 - 300 out of 315 < 1 2 3 4 5 6 7 >