...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8088212 | Sparkle effect of unique particle size distribution An effect pigment formed from a synthetic platelet substrate such as glass flake has improved sparkle by reducing the amount of substrate particles having a size of less than 9 microns and greater than 85 microns. The present effect pigment is useful in cosme... | 01/03/2012 |
| 8066811 | Pigment having angle dependence of the interference colors and its production process The invention disclosed a pigment having angle dependence of the interference colors and its production process, in which mica is used as the substrate and the first metal oxide coating with high refractive index has the optical thickness of silver to golden interfe... | 11/29/2011 |
| 8029615 | Ceramic pigments A pearlescent pigment includes a ceramic flake coated with a metal oxide. The metal oxide is, preferably, an oxide of titanium, iron, tin, chromium1, zirconium or a combination thereof, and the refractive index of the metal oxide coating is preferably at least 0.5 h... | 10/04/2011 |
| 7935184 | Method of preparing imidazolium surfactants The present invention provides a method for preparing an imidazolium surfactant using a mixing apparatus. The present invention also provides a nano-composite comprising a clay and the imidazolium surfactant, and a composition comprising a polymer and the nano-compo... | 05/03/2011 |
| 7875112 | Effect pigments that are surface-modified with LCST and/or UCST polymers The present invention relates to surface-modified effect pigments based on flake-form substrates which are distinguished by the fact that they are sheathed with one or more layers of immobilised LCST and/or UCST polymers. The invention furthermore relates to a proce... | 01/25/2011 |
| 7846249 | Pigment aqueous-medium dispersion and coating material A pigment aqueous-medium dispersion and coating material which have no particle feeling and exhibit a highly excellent silky feeling, the pigment aqueous-medium dispersion is a dispersion of a photoluminescent pigment in an aqueous medium, characterized in that the ... | 12/07/2010 |
| 7842130 | Complex inorganic effect materials The present invention relates to a complex inorganic color effect pigment material based on multiply coated platelet-shaped substrates wherein one of the layers is a complex inorganic colored pigment. The present color effect pigment may be used in automotive applic... | 11/30/2010 |
| 7578879 | Effect pigments that are surface-modified with LCST and/or UCST polymers The present invention relates to surface-modified effect pigments based on flake-form substrates which are distinguished by the fact that they are sheathed with one or more layers of immobilized LCST and/or UCST polymers. The invention furthermore relates to a proce... | 08/25/2009 |
| 7419538 | Highly anti-corrosive metal pigments Highly anti-corrosive thin-platelet like metal pigments having high corrosion resistance and good dispersibility characterized in that the inherent metallic luster of the thin-platelet like metal substrates is maintained without demanding the original surface smooth... | 09/02/2008 |
| 7416688 | Transparent conductive pigments Disclosed are transparent conductive pigments of flake-form substrates coated with a conductive layer, where the number-weighted mean particle area F50 of the transparent conductive pigments is greater than or equal to 150 μm2, and processes f... | 08/26/2008 |
| 7413599 | Coated pearlescent pigments with SiOand cerium oxide The invention relates to pearlescent pigments with a platelet-shaped substrate comprising metal oxide and having a first and a second protective layer, said metal oxide having a refractive index of greater than 1.8, there being on the platelet-shaped substrate a fir... | 08/19/2008 |
| 7396587 | Black film comprised of thermoplastic polyester This invention relates to a single- or multilayer, oriented film formed from polyester and at least one inorganic black pigment. The inventive films include at least one layer which has, alongside polyester, an amount of from 0.5 to 75% by weight of particles incorp... | 07/08/2008 |
| 7396401 | Effect pigments of uniform shape and size Effect pigments based on a flake-form substrate that have a circular or elliptical shape or have the shape of a polygon, the preparation thereof, and the use thereof, for example, in paints or coatings, or as tracers. ... | 07/08/2008 |
| 7387669 | Luster pigments having a pronounced glittering effect Luster pigments having pronounced sparkle which are based on aluminum platelets which have been coated with iron oxide and have in the precoated state an average platelet size from 8 to 30 μm, an average platelet thickness from 300 to 600 nm and an aspect ratio fro... | 06/17/2008 |
| 7374609 | Optically variable pigments having an asymmetrical layer structure The present invention relates to pigments whose particles have a length of from 2 μm to 5 mm, a width of from 2 μm to 2 mm and a thickness of from 50 nm to 1.5 μm and a ratio of length to thickness of at least 2:1, the particles having a core of a metallically re... | 05/20/2008 |
| 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 |
| 7365109 | Pigment preparation in granulate form The invention relates to pigment preparations in granulate form, containing one or more resins, one or more effect pigments and optionally, additives. The granulates are characterized in that they contain 3 to 10 wt. % water or a, solvent or solvent mixture with a v... | 04/29/2008 |
| 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 |
| 7337963 | Portal system for a controlled space Systems, devices, and methods are provided for monitoring and tracking an item in a controlled space. In one embodiment, a portal system that monitors the controlled space includes a radio frequency tag that is attached to inventory and a portal device, which includ... | 03/04/2008 |
| 7335695 | Powder coating precursors and the use thereof in powder coating compositions A laminar pigment which has hydrolyzed silane coupling agent treated surface is used as a pigment for a powder coating composition. By combining the pigment with a powdery film-forming polymer, a film-forming composition, which can be applied by electrostatic coatin... | 02/26/2008 |
| 7318861 | Effect pigment An effect pigment is constituted by coated laminar platelets in which the platelets are a mixture of different platelet materials, one of which is platy glass or platy aluminum oxide, and in which the pigment exhibits visual homogeneity. ... | 01/15/2008 |
| 7318862 | Stabilized BiOCl pigments The present invention relates to stabilized BiOCl pigments in which BiOCl is coated with one or more polymers and oxides, oxide hydrates or hydroxides of silicon, to a process for the production of the stabilized BiOCl pigments, and to the use thereof. ... | 01/15/2008 |
| 7303619 | Composite pigment original, composite pigment, process for producing ink composition, and ink composition The present invention provides a composite pigment original having a structure comprising a resin layer and a pigment layer sequentially stacked on a sheet-shaped substrate surface, the pigment layer having a structure that at least a silicon oxide layer, a metal or... | 12/04/2007 |
| 7303622 | Lustrous black interference pigments The present invention relates to lustrous black interference pigments based on a substrate mixture, characterised in that it has (A) a coating of Fe3O4 (B) a colorless coating consisting of o... | 12/04/2007 |
| 7300695 | Alignable diffractive pigment flakes Diffractive pigment flakes are selectively aligned to form an image. In one embodiment, flakes having a magnetic layer are shaped to facilitate alignment in a magnetic field. In another embodiment, the flakes include a magnetically discontinuous layer. In a particul... | 11/27/2007 |
| 7291216 | Platelet-shaped pigments The present invention relates to platelet-shaped pigments comprising (a) a layer obtained by calcination of a layer comprising SiOz wherein 0.03≦z≦2.0 and a metal, to a process for the production thereof, and to the use thereof in paints, text ink-jet... | 11/06/2007 |
| 7288217 | Electroconductive compound in flake form and electroconductive composition An electroconductive compound in a flake form, characterized in that it comprises a titanium oxide which has an average long diameter of 1 to 100 μm and an average thickness of 0.01 to 1.5 μm, and contains potassium in an amount of 0.3 to 5 wt % in terms of potass... | 10/30/2007 |
| 7285182 | Composition for surface treatment of paper A composition for surface treatment of paper which includes a nanoparticle fraction, and a carrier fraction for detaining the nanoparticles in the surface layer. The carrier fraction includes plate-like pigment particles, and at least one binder. The invention also ... | 10/23/2007 |
| 7279236 | Luminescent-film-coated product A luminescent-film-coated product includes a substrate, a first layer of a transparent resin matrix containing a phosphorescent material and/or a fluorescent material, and a second layer of a transparent resin matrix containing a shiny pigment made of glass flakes c... | 10/09/2007 |
| 7273522 | Plane-parallel structures of silicon/silicon oxide The present invention relates to plane-parallel structures of silicon/silicon oxide (silicon/silicon oxide flakes), obtainable by heating plane-parallel structures of SiOy in an oxygen-free atmosphere at a temperature above 400° C., wherein 0.70≦y≦1.... | 09/25/2007 |
| 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 |
| 7264670 | Coloured microstructured effect pigments Disclosed are colored flake-form effect pigments comprising one or more layers, where at least one of the layers comprises one or more colorants or is itself a colorant and at least one of the layers has a groove or grid structure, and to processes for the preparati... | 09/04/2007 |
| 7258915 | Flake for covert security applications Covert flakes having one or more symbols and/or a selected shape are used in a composition, such as ink or paint, to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the covert flakes are covert pigment f... | 08/21/2007 |
| 7258732 | Stabilized slurry composition and method of making the same The present invention provides a high solids mineral slurry having long term stability and a method for producing the same. Specifically, the present invention provides a talc slurry having a solids content of up to 65% and a stability against sedimentation for up t... | 08/21/2007 |
| 7255736 | Effect pigments based on thin SiO flakes Effect pigments having improved optical properties based on SiO2 flakes coated with one or more layers, where the SiO2 flakes have a thickness of from 50 nm to 150 nm; processes for the preparation thereof; and use of these pigments in cosmetic... | 08/14/2007 |
| 7241489 | Opaque flake for covert security applications Opaque flakes, such as pigment or bright flake used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the opaque covert flakes match the vi... | 07/10/2007 |
| 7241503 | Iridescent pigment having high brilliance and high chroma An iridescent multilayer pigment having at least two or more layers of metal oxides containing one or more metals selected from Ce, Sn, Ti, Fe, Zn and Zr which are coated onto the surface of thin platelet-like substrates. The inventive pigments show high brilliance ... | 07/10/2007 |
| 7238424 | All-dielectric optically variable pigments The light transmitted and reflected by all-dielectric optically variable pigments varies according to viewing angle. The color travel of an all-dielectric optically variable pigment depends on amplitude changes and wavelength shifts in reflectance peaks of the pigme... | 07/03/2007 |
| 7235280 | Non-intrusive photogrammetric targets A target for use in photogrammetric analysis that does not distort the object to be analyzed has been developed. The target is formed by mixing a diffuse material with a solvent and then applying the mixture to the surface of the object to be analyzed. The object is... | 06/26/2007 |
| 7229520 | Method for manufacturing spandrel glass film with metal flakes A film laminating adhesive is formed by admixing a polyester resin and encapsulated metallic flakes. The metallic flakes are encapsulated with a silane in a hydrolyzed condition modified with a surfactant or dispersion agent. A mounting adhesive is applied to an out... | 06/12/2007 |