Bizarre Patents
A hand wearable body squeegee comprising a glove portion, a concave squeegee band, and a linear squeegee band.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4883533 | Modified synthetic hydrotalcite A phosphate-containing synthetic hydrotalcite of the following empirical formula: xMgO.multidot.Al2 O3 .multidot.yPO4 .multidot.zH2 O wherein, x, y and z are integers indicating the number of moles present of MgO, PO... | 11/28/1989 |
| 4855118 | Method of producing fluorapatite A method of producing fluorapatite wherein predetermined amounts of calcium monohydrogen phosphate, calcium carbonate, and calcium fluoride are weighed, subjected to a mechanochemical action, and caused to react with one another in water. With this method... | 08/08/1989 |
| 4853144 | Moisturized compositions of hydrate-forming phosphates and methods for preparation thereof A composition of matter in particulate, crystalline form. The composition comprises a hydrate-forming phosphate selected from the group consisting of sodium tripolyphosphate, sodium pyrophosphate and trisodium phosphate, between about 0.1% by weight and a... | 08/01/1989 |
| 4777026 | Production of phosphates from alkali-processes phosphate rock Process for production of desired phosphates from naturally occurring phosphates is characterized by treating naturally occurring phosphates under alkaline conditions to produce a material comprising trisodium and/or tripotassium orthophosphates, carbonat... | 10/11/1988 |
| 4761366 | Medium, apparatus and method for cell separation A sintered hydroxycalcium apatite body having an average particle size of 50-2,000 μm is used to form a packing in a cell separating column for use in separating groups or populations of cells from a suspension of animal cells.... | 08/02/1988 |
| 4725418 | Phosphine producing pesticide and method of manufacture therefor A pesticide composition comprising a particulate hydrolyzable metal phosphide is rendered liquid phase water repellent by treating particles of the composition with a silicon-organic compound. The silicon-organic compound has at least one reactive moiety,... | 02/16/1988 |
| 4707361 | Granular anhydrous dicalcium phosphate compositions suitable for direct compression tableting A granular anhydrous dicalcium phosphate having a particle of a size sufficient for direct compression tablets and a surface area of greater than 5 meters2 /gram can be direct compression tableted. This product can be prepared by dehydrating gr... | 11/17/1987 |
| 4675188 | Granular anhydrous dicalcium phosphate compositions suitable for direct compression tableting A granular directly compressible anhydrous dicalcium phosphate having a particle size sufficient for efficient direct compression tableting, preferably at least 90 percent greater than 44 microns, a dentin abrasion value of less than 150 and a surface are... | 06/23/1987 |
| 4671947 | Novel sodium orthophosphate A novel sodium orthophosphate has the formula Na5 H4 (PO4)3 wherein the Na/P ratio thereof is essentially 5/3, and which is characterized by but a single crystalline phase and a characteristic X-ray diffraction ... | 06/09/1987 |
| 4567220 | Production of copper(II) hydroxide phosphate with a light natural color and an average grain size less than 10 microns A process for producing a copper(II) hydroxide phosphate having the Cu3 (PO4)2.Cu(OH)2 composition and having a light natural color and an average grain size less than 10 microns. Basic copper carbonate of a bul... | 01/28/1986 |
| 4565801 | Heteropoly-acids and their production and use A heteropoly-acid of the formula: wherein x and n are numbers satisfying respectively the equations: 0ࣘxࣘ3 and nࣘ6, and comprising phosphorus as the central atom and molybdenum or molybdenum and vanadium as the coordinating atoms, or its reduction-f... | 01/21/1986 |
| 4552737 | Method to improve yields of sodium hypophosphite A process of producing sodium hypophosphite (Na2 H2 PO2) is disclosed wherein the yield of the product is increased. The process comprises increasing the NaOH/P4 ratio above stoichiometric quantity to from about... | 11/12/1985 |
| 4521391 | Method to improve yields of sodium hypophosphite A process of producing sodium hypophosphite (NaH2 PO2) is disclosed wherein the yield of the product is increased. The process comprising reacting phosphorus, sodium hydroxide, calcium hydroxide and water wherein the H2 O/... | 06/04/1985 |
| 4483837 | Process for making calciummonohydrogen phosphate dihydrate The disclosure relates to a process for making calciummonohydrogen phosphate dihydrate with a high degree of whiteness from pure phosphoric acid and naturally occurring calcium carbonates. More particularly, a fine-particulate calcium carbonate is suspend... | 11/20/1984 |
| 4450147 | Process for making alkali metal hypophosphite solutions The disclosure relates to a process for making alkali metal hypophosphite solutions by reacting yellow phosphorus with an aqueous solution of an alkali metal hydroxide and/or carbonate. The disclosure provides more particularly for an aqueous hydrogen per... | 05/22/1984 |
| 4400365 | Method for the manufacture of aluminum zinc phosphate hydrates or basic aluminum zinc phosphate hydrates Aluminum zinc phosphate hydrates or basic aluminum zinc phosphate hydrates are manufactured by reacting 1 mole of aluminum hydrogen phosphate with from 2.4 to 4 moles of zinc oxide, if necessary with the addition of up to 0.4 moles of alkali aluminate or ... | 08/23/1983 |
| 4386059 | Zinc hydroxy phosphite complex A substantially pure composition of matter and process for making the same which comprises a zinc hydroxy phosphite complex represented by the theoretical structural formula [2Zn(OH)2. ZnHPO3 ].XZnO wherein X is a number from 0 to 17... | 05/31/1983 |
| 4385041 | Process for making aqueous alkali metal phosphate solutions The invention relates to a process for making aqueous alkali metal phosphate solutions by subjecting aqueous alkali metal phosphite solutions to catalytic oxidation with oxygen or air. More particularly, oxygen or air in stoichiometric excess proportions ... | 05/24/1983 |
| 4380531 | Process for preparing phosphorus acid from industrial waste materials An improved process is provided for preparing highly purified phosphorus acid from industrial waste materials which are produced as by-products from the manufacture of sodium hypophosphite. Such industrial waste materials contain substantial quantities of... | 04/19/1983 |
| 4374816 | Process for producing hypo-phosphorous acid (H3 PO2) and non-transition metal hypophosphites A process for producing hypophosphorous acid (H3 PO2) by reacting, in the absence of a catalyst and under an acidic condition, phosphine with an aqueous solution of hydrogen peroxide to produce an acid solution. The acid solution is ... | 02/22/1983 |
| 4346065 | Process for the manufacture of finely dispersed sparingly soluble salts of oxyacids of phosphorus The invention relates to a process for making a finely dispersed, sparingly soluble salt of an oxyacid of phosphorus, having a maximum particle size of 20 μm, by reacting a compound of a divalent metal with the oxyacid of phosphorus or an alkali metal or... | 08/24/1982 |
| 4320094 | Partitioning of refractory metals from oxidation resistant scrap alloy Alloy scrap containing refractory metals such as chromium, molybdenum, tungsten, vanadium, niobium and tantalum and base metals such as nickel, cobalt, copper and iron are treated to partition the refractory metal values from the base metal values without... | 03/16/1982 |
| 4294808 | Production of anticorrosive pigments containing phosphorus The invention relates to a process for making phosphorus-containing anticorrosive pigments having a size of at most 20 microns by reacting one or more compounds of magnesium, calcium, strontium, barium, zinc, aluminum, iron, chromium or manganese with an ... | 10/13/1981 |
| 4278647 | Production of phosphorous acid The invention relates to a process for making aqueous phosphorous acid solutions by admixing an aqueous sodium phosphite solution with hydrochloric acid. More specifically, phosphorous acid solutions substantially free from sodium in hydrochloric acid are... | 07/14/1981 |
| 4276273 | Production of sodium polyphosphates Stable aqueous solutions of sodium polyphosphate useful in granulating dry solid cleaning composition components are formed by direct reaction of polyphosphoric acid with sodium carbonate generally at a temperature of about 50° C. The reactants are used ... | 06/30/1981 |
| 4268404 | Additive for use in metal working The invention relates to a long chain ammonium polyphosphate and its use as an effective additive in lubricants and/or coolants for metal working under extremely high pressures and temperatures. The polyphosphate chain preferably contains 50 to 1000 phosp... | 05/19/1981 |
| 4265866 | Process for producing hypophosphorous acid (H3 PO2) and non-transition metal hypophosphites A process for producing hypophosphorous acid (H3 PO2) by reacting, in the absence of a catalyst and under an acidic condition, phosphine with an aqueous solution of hydrogen peroxide to produce an acid solution. The acid solution is ... | 05/05/1981 |
| 4258022 | Continuous production of phosphine The invention relates to the continuous production of phosphine. To this end, elemental phosphorus is reacted with an aqueous alkali metal hydroxide solution and at least one alcohol, the reactants being used in admixture with 0.01 to 2 weight % of a surf... | 03/24/1981 |
| 4196136 | Ligated transition metal derivatives of heteropolyanions Salts and acids containing a triheteropolyanion in which one addenda atom of a heterododecatungstate or heterododecamolybdate is replaced by one tin atom or by two germanium atoms, in which the tin atom or the germanium atoms are bonded to a ligated trans... | 04/01/1980 |
| 4097935 | Hydroxylapatite ceramic A novel ceramic form of hydroxylapatite and a novel ceramic product comprising a mixture of the latter and whitlockite, the preparation of these ceramics and dental restorative compositions and dental and surgical prosthetic materials containing the same ... | 07/04/1978 |
| 4088738 | Process for producing phosphoric acid using mixed acid feed and a dicalcium phosphate intermediate A method of making phosphoric acid and gypsum through a precipitated phosphate intermediary which comprises mixing a precipitated dicalcium phosphate with a highly dispersed reaction admixture of sulfuric acid and phosphoric acid, at a temperature between... | 05/09/1978 |
| 4046858 | Synthesis for crystalline hydroxyapatite A new synthesis is disclosed which produces synthetic crystalline hydroxyapatite. The process comprises reacting anhydrous trisodium phosphate wih calcium chloride in a formamide/water solution. Good yields of hydroxyapatite are obtained quickly, simply, ... | 09/06/1977 |
| 3981970 | Method for the production of a zeolite material Method for production of a zeolitic material represented by the formula: wherein R represents Na or K, x, y, z and l are numerical values of Oࣘxࣘ5, Oࣘyࣘ1, Zࣘ9 and Oࣘlࣘ1, respectively; which comprises preparing an aqueous solution by dissolvi... | 09/21/1976 |
| 3965245 | Method for preparing alkali metal orthophosphates and ammonia in a single step A selected ammonium phosphate is reacted at elevated temperature and pressure with sodium hydroxide in a vertical column having vapor-liquid contact means to produce an alkali metal orthophosphate having a low alkali metal/P molar ratio which is substanti... | 06/22/1976 |
| 3956462 | Process utilizing waste material consisting substantially of phosphorous acid Waste material consisting substantially of contaminated phosphorous acid is utilized. To this end, the phosphorous acid is introduced, with agitation into a liquid phase. Liquid phase and phosphorous acid are maintained in a ratio by volume between 1:1 an... | 05/11/1976 |
| 3950495 | Method for the continuous preparation of stable aqueous ammonium polyphosphate compositions An improved method for the continuous production of stable aqueous ammonium polyphosphate compositions which are useful as fertilizers and fire retardants. Wet-process superphosphoric acid which is primarily in the orthophosphate form and anhydrous ammoni... | 04/13/1976 |
| 3947332 | Preparation of heteropoly acids of tungsten and molybdenum Heteropoly acids of tungsten and molybdenum, such as tungstosilicic acid and molybdosilicic acid, are produced by first preparing an aqueous solution of an alkali metal tungstate or molybdate and an alkali metal salt of the hetero atom, and then removing ... | 03/30/1976 |
