Did You Know...
...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 |
| 7632347 | Ultramarine pigment synthesis process The present invention relates to an ultramarine pigment synthesis process which includes a calcination step in the absence of air of a mixture including zeolite A, possibly sodium sulfide and/or sulfur, possibly hydroxide ions, and polysulfides of composition Na | 12/15/2009 |
| 7279036 | Process for preparation of inorganic colorants from mixed rare earth compounds The present invention provides a novel process for preparation of inorganic colourants from mixed rare earth compounds, which are directly obtained from the ore industry, without undergoing any separation, thereby enabling a cost reduction to the extend of 10-100 ti... | 10/09/2007 |
| 7135067 | Water-based pigment dispersions, the production thereof and the use of the same The invention relates to a pigment dispersion consisting essentially of a) at least one organic or inorganic pigment or a combination of the same, b) an alpha-methyl--omega-hydroxy-polyethylene glycol ether having an average molar mass of between 250 and 1000 g/mol,... | 11/14/2006 |
| 7074396 | Composition and method for protecting both natural and artificial hair color from ultraviolet light damage An improved composition and method for protecting both natural and artificial hair color from the harmful effects of ultraviolet radiation is provided. The composition includes melanin, an ultraviolet absorber, and a cationic surfactant. The composition may also inc... | 07/11/2006 |
| 7018458 | Use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants and wetting agents for fillers and pigments in aqueous pigment pastes and ink or paint formulations The invention relates to the use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants for preparing aqueous pigment formulations, paints, coating materials, and coatings. For the purposes of this invention the term “polysiloxan... | 03/28/2006 |
| 6919088 | Water-soluble stable salts of petroselinic acid Stable water-soluble salts of petroselinic acid with dextran useful as active constituents in pharmaceutical as well as cosmeceutical applications are described. ... | 07/19/2005 |
| 6908600 | Method for obtaining pigments for ceramic and glass, and pigments obtained thereby A method for obtaining pigments for ceramic and glass, particularly for substrates and coatings, including a step of adding a solution of an iron salt to at least one silicon addition agent including silica in gel form. ... | 06/21/2005 |
| 6818050 | Lacquers and paints and coating material systems Paint and coating material system comprising a) at least one solids component comprising at least one organic or inorganic white, black or chromatic pigment, organic or inorganic fillers, or mixtures thereof, and b... | 11/16/2004 |
| 6811601 | Pigment preparations comprising alkoxylated polyethylenimine Pigment preparations comprising A) at least one organic or inorganic pigment and B) at least one ethoxylated and propoxylated and/or butoxylated polyethyleneimine. ... | 11/02/2004 |
| 6544326 | Pigment dispersion composition, display apparatus, and method of manufacture the apparatus The pigment dispersion composition having a good dispersibility, a good transparence and an anti-coating properties, which contains 0.5 to 50 parts by weight of an inorganic pigment, at least one type of dispersant selected from the group consisting of a ... | 04/08/2003 |
| 6503317 | Dye based aqueous pigment dispersions Aqueous based pigment dispersions wherein the pigment is dispersed in a dispersant dye in the absence of any other dispersant or additive and aqueous based printing ink compositions containing these a pigment dispersions. Methods for preparing aqueous bas... | 01/07/2003 |
| 6235270 | Cosmetics, silica-coated metal oxide powder and production method therefor Cosmetics comprising silica-coated metal oxide powder having a thickness of the silica coating of 0.1 to 100 nm, and a photocatalytic activity as measured by tetralin auto-oxidation method of 6 mmH2 O/min or less. Silica-coated metal oxide powd... | 05/22/2001 |
| 6123763 | Pigment dispersing agent and pigment composition containing the same A colorless or only slightly colored pigment dispersing agent which is feasible as a pigment dispersing agent for pigments having various hues and has the general formula (1), ##STR1## wherein R1, R2, X1, Y1 | 09/26/2000 |
| 6063182 | Stir-in pigment compositions A stir-in pigment composition for coloring high-molecular-weight material, particularly coatings and ink systems, comprises 85 to 99.5 parts by weight of a pigment and 0.5 to 15 parts by weight of an additive comprising a vinylpyrrolidone polymer or copol... | 05/16/2000 |
| 6051060 | Method of making pigment with increased hydrophilic properties A method for making coated pigment particles by forming a suspension of the desired pigment particles in a medium that also comprises a polymer characterized by having hydrophobic moieties on the polymer backbone and ionic moieties that are present on, or... | 04/18/2000 |
| 6022405 | Process for preparing colored mineral powders by thermal 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 ... | 02/08/2000 |
| 6019834 | Pigment, process for producing the same and paint using the same A pigment of the present invention comprises: pigment particle as core particle; a lower coat formed on at least a part of surface of the pigment particle, comprising squaric acid, polyol having an anthraquinone skeleton represented by the general formula (I):... | 02/01/2000 |
| 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 |
| 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 |
| 5486233 | Pigment extenders A pigment composition includes a pigment extender which optionally contains a pigment, and further includes a non-hydrogenated phospholipid material, such as non-hydrogenated lecithin, and a surface modifying agent. Suitable modifying agents are selected ... | 01/23/1996 |
| 5449403 | Product based on colored inorganic particles including a melanin pigment, process for its preparation and its use in cosmetics A product in the form of colored inorganic particles including one or a number of melanin pigments, a process for its preparation and to its use, especially in the field of cosmetics, for make-up for the exoskeleton and/or for the skin, and in protecting ... | 09/12/1995 |
| 5380359 | Cosmetics based on naturally derived melanin-coated pigments A melanin-coated pigment obtained by coating a carrier with a readily alkali-soluble natural melanin, and a cosmetic containing the pigment are provided. The melanin-coated pigment is highly safe and has high coloring and high saturation tone, and a cosme... | 01/10/1995 |
| 5310578 | Deposition of cosmetically functional material onto pigments and fillers A process for coating the surface of pigment and filler particles with an oleaginous and cosmetically functional material, characterized in that an aqueous suspension of the pigment or filler is mixed with an emulsion of said oleaginous material to be coa... | 05/10/1994 |
| 5207829 | Pigment preparations Pigment preparations whose pigment portion is composed essentially of organic pigments and of pigment additives of the formula I ##STR1## in which P is a radical of an organic pigment and X in the methylene groups of the lactam ring is hydrogen, C | 05/04/1993 |
| 5104571 | Bleaching and brightening composition and method Liquid bleaching and brightening compositions are provided in which a polymeric matrix stably suspends a fluorescent whitening agent, and, optionally, pigment particles. A particularly preferred composition includes an aqueous solution having sodium hypoc... | 04/14/1992 |
| 5057236 | Surfactant ion pair fluorescent whitener compositions Optical brighteners (fluorescent whitener agents) can be made hypochlorite bleach resistant, stable and formulated into concentrated aqueous hypochlorite solutions and into detergent compositions in a manner whereby the whitener agent is transformed into ... | 10/15/1991 |
| 4952333 | Bleaching and brightening composition and method Liquid bleaching and brightening compositions are provided in which a polymeric matrix stably suspends a fluorescent whitening agent, and, optionally, pigment particles. A particularly preferred composition includes an aqueous solution having sodium hypoc... | 08/28/1990 |
| 4832944 | Nail enamel containing silicone-coated pigments Pigmented nail enamels in which the pigment is coated with an organo-polysiloxane exhibit greatly reduced settling and migration of the pigment.... | 05/23/1989 |
| 4810305 | Hydrophobic pigments and fillers for incorporation in synthetic resins A modified hydrophobic colored or magnetic pigment or filler comprising a hydrophobic pigment or filler containing from 0.05 to 10% by weight, based on the weight of the pigment or filler, of an organopolysiloxane corresponding to the formula ##STR1#... | 03/07/1989 |
| 4708816 | Bleach composition containing controlled density capsules Microcapsules having density controlled to be close to that of an aqueous solution are provided which may be dispersed in liquid bleaching solutions and which are useful as coloring or whitening agents.... | 11/24/1987 |
| 4699662 | Blue pigmented phosphor In ultramarine blue, or a blue pigmented phosphor in which ultramarine blue is a constituent, a coating of organic silicon compound is formed on the surface of the ultramarine blue pigment. This coating prevents fading of the ultramarine blue during the m... | 10/13/1987 |
| 4671886 | Process for coloring granular product by admixing with pigment/diluent premix Finely divided particulate pigments which form large visible agglomerates are admixed with a non-agglomerating granular diluent to break up the visible agglomerates of pigment in a premix, the premix being used to color granular products such as spray dri... | 06/09/1987 |
| 4661164 | Method of tinting a mineral filler A method of increasing the whiteness of a mineral filler, such as limestone, having a natural yellow tint, including the grinding of the limestone to a pulverulent size and introducing into the limestone, preferably while it is being ground, a blue pigmen... | 04/28/1987 |
| 4640943 | Surface modifier for inorganic substances An inorganic composition of improved characteristics comprising at least one particulate inorganic substance whose surface is modified by an N-acylated basic amino acid.... | 02/03/1987 |
| 4639272 | Liquid colorant for ABS resins A liquid colorant for ABS resins is described, comprising 100 parts by weight of a pigment or dye and 25 to 2,000 parts by weight of a liquid polyester, and having a viscosity of 1,500 poises or less at room temperature. This liquid polyester is prepared ... | 01/27/1987 |
| 4375373 | Method of coating inorganic pigments (ultramarine and bronze powder) with dense amorphous silica A stable inorganic pigment having the surface thereof a continuous coating of fine amorphous silica.... | 03/01/1983 |
| 4334933 | Process for preparing stable inorganic pigment A process for preparing a stable inorganic pigment coated with a fine amorphous silica which comprises forming a silica sol in an aqueous prepared slurry of an inorganic pigment by reacting an alkali silicate solution with one or more acid gases so that a... | 06/15/1982 |
| 4317682 | Pigment compositions and use thereof There is provided a pigment composition comprising 100 parts by weight of a pigment and from 0.3 to 30 parts by weight of a colorless or slightly colored aromatic compound having the following general formula (I) ##STR1## wherein Q represents a resid... | 03/02/1982 |
| 4180407 | Ink for application to unglazed paper surfaces Ink which is especially suitable for application to or for drawing lines on unglazed or porous surfaces is an aqueous suspension of an opaque, water-insoluble powdered pigment, containing also a binder which forms a flexible film upon drying, and a small ... | 12/25/1979 |
| 4130442 | Method for renewing grout Method for renewal of grout utilizing a composition comprising a surfactant a pigment and a water-soluble or water-dispersible organic binding agent and a method for renewing grout.... | 12/19/1978 |
