Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7341626 | Pigment compositions consisting of organic and inorganic pigments A pigment composition containing one or more, organic yellow pigments selected from the group C.I. Pigment Yellow (213), Pigment Yellow (214) and disazo pigment of the formula (I) and containing one or more inorganic pigmen... | 03/11/2008 |
| 7316741 | Ceramic colorants in the form of nanometric suspensions Described herein are ceramic colorants consisting of suspensions of particles of nanometric dimensions, their production and use. ... | 01/08/2008 |
| 7291217 | Non-toxic corrosion-protection pigments based on rare earth elements A corrosion-inhibiting pigment comprising a rare earth element and a valence stabilizer combinded to form a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, terbium, praseodymium, or a combination thereof, and at least one rare ... | 11/06/2007 |
| 7285328 | Particulate titanium dioxide coated product and method of forming titanium dioxide coated particles A composition of matter comprises particles each having a substrate being an oxide or other suitable compound of a metal other than titanium or of certain non-metal elements, and a coating on said substrate being a layer of titanium dioxide. A method of forming part... | 10/23/2007 |
| 7253136 | Preparation of titania and cobalt aluminate catalyst supports and their use in Fischer-Tropsch synthesis Supports for Fischer-Tropsch catalysts are formed by forming a particulate material from titania, alumina and optionally silica. A cobalt compound is incorporated into the particulate material which then is calcined to convert at least part of the alumina to cobalt ... | 08/07/2007 |
| 7018465 | Aerosolized ceramic porcelains and glaze composition A spray glaze or opaque composition for coating dental restorations and other surfaces and objects such as hobby ceramics that comprises about 4 to about 50 weight % glaze material, about 5 to about 60 weight % restoration wetting agent, and about 10 to about 90% no... | 03/28/2006 |
| 7005002 | Branched, amorphous, polyester-based macropolyols of narrow molecular weight distribution Branched, amorphous, polyester-based macropolyols having a narrow molecular weight distribution and a process for making the macropolyol. ... | 02/28/2006 |
| 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 |
| 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 |
| 6875264 | Multi-layer effect pigment A multilayer effect pigment includes a transparent substrate, a layer of high refractive index material on the substrate, and alternating layers of low refractive index and high refractive index materials on the first layer, the total number of layers being an odd n... | 04/05/2005 |
| 6719838 | Colored interference pigments The present invention relates to colored interference pigments based on multicoated, platelet-shaped substrates, which are distinguished in that they comprise (A) a colored coating having a refractive index of n>1.8, (B) a colorless coating having a re... | 04/13/2004 |
| 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 |
| 6582506 | Pigment flakes Pigment flakes having cores preferably composed of resins, polymers, thermoplastics, and/or thermosets with colorant (pigment and/or dyes) deposited thereon, coating applications thereof, and a method for making pigment flakes which includes providing a c... | 06/24/2003 |
| 6540824 | Titanium-iron based composite oxide pigment and method for production thereof The present invention provides a yellow pigment which contains a titanium-iron complex oxide of the pseudo-brookite type and produces a stabilized color more yellowish than conventionally and which is universally usable for coloring plastics, ceramics and... | 04/01/2003 |
| 6533857 | Gloss pigments comprising an absorbent low-refractive coating Luster pigments based on multiply coated reflecting platelet-shaped substrates and comprising at least one layer packet comprising A) a low refractive coating which selectively absorbs visible light and B) a reflective coating which is at least partially transparen... | 03/18/2003 |
| 6503970 | Co-processed pigments One aspect of the invention relates to a yellow pigment composition containing at least one yellow nickel titanate and at least one yellow organic pigment containing a benzimidazolone moiety. Another aspect of the invention relates to a method of making a... | 01/07/2003 |
| 6458196 | Conductive filler A conductive filler in the form of non-conductive particles coated with plural layers of metal plating is provided wherein the lower layer is of copper or copper alloy plating, and the uppermost layer is of gold plating. The conductive powder has a high c... | 10/01/2002 |
| 6440208 | Alloy color effect materials and production thereof A color effect material is composed of a plurality of encapsulated substrate platelets in which each platelet is encapsulated with copper, zinc, an alloy of copper, or an alloy of zinc first layer which acts as a reflector to light directed thereon, a sec... | 08/27/2002 |
| 6420437 | Titanium oxide colloidal sol and process for the preparation thereof A neutral titanium dioxide colloid sol having a high stability in a neutral range and capable of forming a colorless transparent coating even when dried at room temperature is produced by mixing an acid titanium dioxide sol comprising 50 to 100 parts by w... | 07/16/2002 |
| 6387498 | Bright metal flake based pigments A flake-based pigment is provided having improved specular reflectance characteristics in the visible wavelength range. The flake-based pigment has a plurality of core flake sections each formed of a central reflector layer and dielectric support layers o... | 05/14/2002 |
| 6383638 | Bright metal flake based pigments A flake-based pigment is provided having improved specular reflectance characteristics in the visible wavelength range. The flake-based pigment has a plurality of core flake sections each formed of a central reflector layer and dielectric support layers o... | 05/07/2002 |
| 6361593 | Lustrous interference pigments with black absorption color A lustrous interference pigment with a black absorption color is obtained by forming a mica coated with hydrous titanium, iron and cobalt or chromium oxides, calcining the coated mica and then coating the resulting product with hydrous titanium and/or iro... | 03/26/2002 |
| 6334892 | Tungsten nickel-antimony-rutile mixed-phase pigments Tungsten nickel-antimony-rutile mixed-phase pigments in which the nickel/tungsten molar ratio is ࣙ4 are used to color plastics, coating materials, printing inks and ceramic glazes.... | 01/01/2002 |
| 6290766 | Lustrous interference pigments with black absorption color A lustrous interference pigment with a black absorption color is obtained by forming a mica coated with hydrous titanium, iron and cobalt or chromium oxides, calcining the coated mica and then coating the resulting product with hydrous titanium and/or iro... | 09/18/2001 |
| 6238471 | Interference pigments having a blue mass tone Multilayer interference pigment having a blue mass tone, comprised of a platelet-shaped carrier material and a coating which is formed from (i) a first layer of a colorless, transparent metal oxide of high refractive index, (ii) a second layer of colorless, tr... | 05/29/2001 |
| 6129784 | Color titanated mica pigment and coated-body using the same A color titanium dioxide coated mica pigment and a coated body applied the pigment which comprise a flaky mica substrate and a composite oxide that is coated onto said mica substrate, and titanium, iron, and nickel are comprised as a metal that is compose... | 10/10/2000 |
| 6080232 | Spherical color pigments, process for their production and use thereof The invention relates to spherical colored pigments having an average particle diameter of less than 10 μm on the basis of an oxide, a mixed oxide or a silicate. The pigments are obtainable by means of spray-pyrolysis technology: a solution containing ox... | 06/27/2000 |
| 6036763 | KOH neutralized metatitanic acid mixture and complex inorganic pigments containing the same In one embodiment, the present invention relates to a KOH neutralized metatitanic acid mixture containing from about 30% to about 99% by weight metatitanic acid, from about 1% to about 20% by weight of a titanyl compound, and optionally from about 0% to a... | 03/14/2000 |
| 6036764 | Yellow pigment blend for hot melt traffic markings The present invention relates to a yellow pigment blend containing a) a yellow nickel titanate pigment, b) a yellow bismuth vanadate, and c) a yellow isoindolinone pigment, wherein a hardened pigmented article resulting from the blend is characterized acc... | 03/14/2000 |
| 6007616 | Process for preparing colored mineral powders by irradiation Disclosed is a system of natural colours consisting of thousands of coloured powders of mineral origin and of materials in or on which pigments have been applied and, afterwards, submitted to at least one thermal treatment and/or irradiation. These natura... | 12/28/1999 |
| 5993536 | Method of decoloring colored concrete A method of decoloring a colored concrete, comprises adding to the colored concrete, a decoloring pigment comprising a titanium oxide pigment, or a titanium oxide pigment and a pigment having a complementary color relative to color of the colored concrete... | 11/30/1999 |
| 5972097 | Method of manufacturing inorganic pigment The invention provides a method for producing colorful inorganic pigments, which comprise complex oxides of various elements, which have good weather resistance and good heat resistance, and which are widely used in colorants for ceramics and in colorants... | 10/26/1999 |
| 5968248 | Heat-resistant inorganic pigment and process for producing the same A heat-resistant inorganic pigment of the present invention comprises a composite metal oxide containing Ti and two divalent metals selected from the group consisting of Mg, Fe, Ni and Co, the content of said two divalent metals in said composite metal ox... | 10/19/1999 |
| 5961710 | Inorganic pigment granules process for their production and their use The invention relates to granules of inorganic pigments, a process for their production using several auxiliary substances by compacting and their use in many technical fields.... | 10/05/1999 |
| 5931998 | Process for preparing colored mineral powders by chemical treatment Disclosed is a system of natural colors consisting of thousands of colored powders of mineral origin and of materials in or on which pigments have been applied and, afterwards, submitted to at least one thermal treatment and/or irradiation. These natural ... | 08/03/1999 |
| 5908499 | Colored powders prepared by a combination of two thermal, chemical or irradiation processes Disclosed is a system of natural colors consisting of thousands of colored powders of mineral origin and of materials in or on which pigments have been applied and, afterwards, submitted to at least one thermal treatment and/or irradiation. These natural ... | 06/01/1999 |
| 5853476 | Process for coloring concrete using compacted inorganic granules 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 inorgan... | 12/29/1998 |
| 5849073 | Pigment for sensing gas leakage and process for producing the same A pigment for sensing gas leakage can be produced by adding at least one of salts of platinum group metals to a slurry of particulate substrate, neutralizing the resultant mixture to deposit at least one of oxides, hydroxides and hydrated oxides of platin... | 12/15/1998 |
| 5766336 | Colored pigments based on oxide-nitrides, the preparation and use thereof Colored pigments are provided from the green-yellow to red spectrum based on oxide-nitrides with two or three different cations Q, R and S in the crystal lattice, wherein the nitrogen to oxygen atomic ratio is determinative for the color. These pigments c... | 06/16/1998 |
