Famous Patents
The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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 |
| 5108654 | Method for conducting chemical reactions in polyphase systems A method and apparatus for conducting chemical reactions in polyphase systems by using emulsifying means for the liquid components consisting of ultrasound emitters or turbines, in the absence or presence of a solid catalyst in fixed bed form with which t... | 04/28/1992 |
| 5013366 | Cleaning process using phase shifting of dense phase gases A process for removing two or more contaminants from a substrate in a single process. The substrate to be cleaned is contacted with a dense phase gas at or above the critical pressure thereof. The phase of the dense phase gas is then shifted between the l... | 05/07/1991 |
| 4992614 | Reactivation of partially deactivated catalyst employing ultrasonic energy A solid catalyst composition which has undergone a partial loss of catalytic activity due to the accumulation of reaction product residue is treated in a chemical conversion process reaction zone in the presence of feedstock(s) with ultrasonic energy of a... | 02/12/1991 |
| 4988419 | Method and apparatus for producing conductivity in materials A method or process for treating materials for making materials electrically conductive that are not naturally electrically conductive or for increasing and enhancing the electrical conductivity of materials that are naturally electrically conductive. The... | 01/29/1991 |
| 4971991 | Physiological function enhancing agents activated by ultrasonic waves for the treatment of tumors Physiological function-enhancing agents to be used for the treatment of tumors comprise a compound capable of stimulating the generation of at least one type of active oxygen, such as superoxide radicals and singlet oxygen, upon ultrasonic irradiation (e.... | 11/20/1990 |
| 4950751 | Method of isolating arabinogalactan from larch An improved method for the extraction of galactans, and especially arabinogalactan, is provided which involves application of sonic energy to a mixture of galactan-containing starting material and extraction medium. Preferably, the method involves providi... | 08/21/1990 |
| 4933055 | Method for production of radiopharmaceuticals using ultrasound A novel method for the production of bis(arene) technetium radiodiagnostic imaging agents is herein disclosed. The method consists of employing Fischer synthesis reactants in an ultrasonic bath. The products are virtually pure, thus lacking the severe deg... | 06/12/1990 |
| 4925540 | Method for treating organic waste material and an oxidation catalyst/cocatalyst composition useful therefor A catalyst/cocatalyst composition of matter is useful in oxidizing organic waste material to produce hydrogen. Use of the catalyst/cocatalyst composition causes the reaction rate to increase and causes the energy required for the reaction to decrease. A s... | 05/15/1990 |
| 4914256 | Reactivation of partially deactivated catalyst employing ultrasonic energy A solid catalyst composition which has undergone a partial loss of catalytic activity due to the accumulation of reaction product residue is treated in a chemical conversion process reaction zone in the presence of feedstock(s) with ultrasonic energy of a... | 04/03/1990 |
| 4908111 | Process for the preparation of 7-(2-diethylaminoethyl)-theophylline acetyl salicylate and use thereof A process for the preparation of 7-(2-diethylaminoethyl)-theophylline acetylsalicylate and use of the product obtained. The process comprises prior filtering of a solution of the reactants through a layer of diatomaceous earth and activated carbon, coolin... | 03/13/1990 |
| 4879011 | Process for controlling a reaction by ultrasonic standing wave Particulate material is supported in a fluid medium by means of an ultrasonic standing wave while a reaction is effected or controlled involving the material so supported, for example with the fluid medium or other material contained in the medium. In a p... | 11/07/1989 |
| 4871485 | Continuous hydrogenation of unsaturated oils Improvements in determining and controlling a continuous hydrogenation process comprising the obtaining of viscosity operating curves and opacity operating curves for comparison to known hydrogen unsaturation curves and plasticity characteristics. With im... | 10/03/1989 |
| 4859248 | Pulse combustion process for the preparation of pregelatinized starches A process for simultaneously atomizing, cooking, and drying a mixture of starch and water in the exhaust gas stream from a sonic pulse jet combustion engine is described. The process consists of preparing a mixture of a granular starch with water (prefera... | 08/22/1989 |
| 4844814 | System and method for separating solutes and particulates in solvents by enhanced diffusion produced by tuned oscullations The present invention is predicated on the discovery that mixtures of solutes and/or particulates of differing masses dissolved or suspended in a liquid media can be separated at high differential flow rates by an enhanced diffusion technique involving th... | 07/04/1989 |
| 4832807 | Phosphorylation of alcohols Phosphorylation of alcohols by contacting the alcohol with a phosphorous sulphide under the impact of ultrasound. The phosporylated produce can be converted into a metal salt, which is a suitable anti-wear additive for lubricating oils.... | 05/23/1989 |
| 4827009 | Hydrosilation process The specification discloses catalyzing hydrosilation reactions with nickel dispersed in an inert reaction medium, where the nickel is prepared by reacting a nickel halide with an alkali metal. The hydrosilation reaction and the preparation of the nickel d... | 05/02/1989 |
| 4816541 | Method for the preparation of SiH-containing organopolysiloxanes A method is disclosed for the synthesis of SiH-containing organopolysiloxanes from the corresponding Si-halogen-containing organopolysiloxanes by the reaction with metal hydrides in a liquid reaction medium. The method has the following combiniation of ... | 03/28/1989 |
| 4730071 | Process for preparing aluminoxanes This invention relates to a process for preparing aluminoxanes from trialkyl aluminum compounds and an ultrasonically produced water dispersion.... | 03/08/1988 |
| 4702808 | Chemical reaction apparatus and method This invention concerns an apparatus and method for reacting on matter, particularly to change its chemical properties and to create chemical reactions with respect to such matter by introducing the matter into a reaction chamber as one or more streams of... | 10/27/1987 |
| 4670568 | Process of producing n-formylaspartic anhydride A process for producing N-formylaspartic anhydride, which comprises, grinding solid aspartic acid into fine particles; and then reacting said finely ground aspartic acid with formic acid and acetic anhydride.... | 06/02/1987 |
| 4615984 | Dissociation of ligand-binder complex using ultrasound A ligand is dissociated from a binder specific for the ligand by directing a beam of ultrasound at the complex of ligand and binder. The procedure may be employed in a solid phase assay to separate a labeled form of ligand, employed as a tracer, from a bi... | 10/07/1986 |
| 4599459 | Method for the ultrasonic treatment of a dilute alcoholic solution A method for the ultrasonic treatment of dilute alcoholic solution in which a vibrator member placed in a dilute alcoholic solution is subjected to ultrasonic vibrations to produce cavitation in the solution in such a way that alcohol in the solution is v... | 07/08/1986 |
| 4578222 | Process for preparing a perfluorinated or polyfluorinated aliphatic carboxylic acid A process for preparing a perfluorinated or polyfluorinated aliphatic carboxylic acids wherein a perfluorinated or polyfluorinated aliphatic halide of the formula: Rf X where Rf is a perfluorinated or polyfluorinated aliphatic group ... | 03/25/1986 |
| 4576688 | Production of poly(p-phenylene) from 4,4'-dihalobiphenyl and lithium using ultrasonic waves This invention provides a process for the production of poly(p-phenylene) which involves subjecting a liquid reaction medium containing 4,4'-dihalobiphenyl and alkali metal, e.g. lithium coupling reactants to activation with ultrasonic energy.... | 03/18/1986 |
| 4576824 | Process for maturing strong beverages A process for maturing strong beverages comprising activation of an oak stave after separation of a matured strong beverage therefrom by a cyclic application of a multimode electromagnetic field of standing waves with a frequency of from 2,000 to 4,500 MH... | 03/18/1986 |
| 4559117 | Block copolymers made by radiation crosslinking of miscible mixture of homopolymers The process described herein comprises the crosslinking by radiation of a miscible mixture of two or more homopolymers such as A and B, etc., to give a block copolymer having one or more blocks of A and one or more blocks of B. This process has the advant... | 12/17/1985 |
| 4532020 | Process for preparing a ଲ-(fluoroalkyl or fluoroalkenyl)-ଲ-hydroxyalkyne A process for preparing a ଲ-(fluoroalkyl or fluoroalkenyl)-ଲ-hydroxyalkyne represented by the formula ##STR1## wherein Rf represents a fluoroalkyl or fluoroalkenyl group and R represents an aliphatic or aromatic group, comprisi... | 07/30/1985 |
| 4484993 | Process for producing fluorine-containing organic compound A process for producing fluorine-containing organic compounds characterized in that fluorine-containing aliphatic iodides which comprise at least one selected from the group of Rf I, Rf ZnI and Rf SnX2 I (where ... | 11/27/1984 |
| 4466870 | Organic sonochemistry process The method of causing or promoting chemical changes involving the step of subjecting reactants to ultrasonic energy as a key treatment step, including methods of: (1) reducing aryl halides by treating a mixture of aryl halide and lithium aluminum hydride ... | 08/21/1984 |
| 4420339 | Collagen fibers for use in medical treatments Disclosed herein are collagen fibers for use in medical treatments, having amino acid residues of 312 to 340 glycine residues, 119 to 138 proline residues, 94 to 100 hydroxyproline residues and 2.6 to 5.5 tyrosin residues per 1000 total amino acid residue... | 12/13/1983 |
| 4391608 | Process for the beneficiation of carbonous materials with the aid of ultrasound A process for reducing the sulfur and ash content of coal and the like by treatment in an aqueous slurry with ultrasound followed by subsequent separating steps.... | 07/05/1983 |
| 4367130 | Chemical reaction An apparatus and method for reacting on matter with shock waves which are directed through or against said matter. In a preferred form, the shock waves are generated intermittently for an extended period of time, during which time the work is subjected to... | 01/04/1983 |
| 4353890 | Stabilization of carrageenan-containing toothpaste A method for stabilizing a cosmetic composition containing carrageenan, specifically, a toothpaste, wherein microwave radiation, preferably in the 0.8 to 3 gigahertz frequency range, is directed onto the toothpaste so as to raise its temperature to at lea... | 10/12/1982 |
| 4311571 | Rapid phase transformation for poly(butene-1) Poly(butene-1) in type II form can be accelerated to its stable type I form by applying a volatile solvent such as an olefinic hydrocarbon and allowing the solvent to evaporate. The phase transformation can be accelerated by additional treatment with heat... | 01/19/1982 |
| 4098661 | Method of producing neoschizophyllan having novel pharmacological activity Neoschizophyllan is produced by an ultrasonication of Schizophyllan which is extracted from a culture solution of Schizophyllum commune Fries or a fruit body thereof.... | 07/04/1978 |
| 4029616 | Polymer composition of ethylenic compounds and pullulan A polymer composition comprising pullulan and an ethylenic compound is obtained by polymerizing the ethylenic compound in the presence of pullulan and in the presence or absence of a solvent and a catalyst. The polymer compositions are novel composition w... | 06/14/1977 |
| 3979269 | Method for obtaining tetracyclinehydrochloride This invention provides method for obtaining tetracycline hydrochloride through interaction of a suspension consisting of tetracycline base in an organic solvent with concentrated hydrochloric acid, wherein the solution containing tetracycline base and hy... | 09/07/1976 |
| 3975248 | Molecular composite structures Oxygen-containing carbon and silicon compounds having free appendant groups selected from hydrogen, hydroxy, amino, halogen, and oxygen are sintered into a molecular composite by means of a diffusant element of Groups IIIA, IV or VA of the Periodic Table ... | 08/17/1976 |
| 3954583 | Photochemical process A new process for coating materials which are susceptible to interaction with an aromatic sulfonyl nitrene which involves contacting an aromatic sulfonylazide with said material and irradiating.... | 05/04/1976 |
| 3944548 | Process for recovery of cyanuric acid from chlorinator mother liquor A process for recovering cyanuric acid values and chlorine from the effluent mother liquor occurring in the preparation of an alkali metal or alkaline earth metal salts of dichloroisocyanurate or dichloroisocyanuric acid or trichloroisocyanuric acid, the ... | 03/16/1976 |
