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| Number | Title | Issue Date |
| 7238261 | Photo-formed metal nanoparticles and aerogel materials comprising the same Transparent monolithic aerogels based on silica, the bioderived polymer chitosan, and coordinated ions are employed to serve as a three-dimensional scaffold decorated with metal ions such as Au, Pt and Pd ions. It has also been found that the metal aerogels, such as... | 07/03/2007 |
| 6733586 | High throughput non-photochemical laser induced nucleation A method for the high-throughput non-photochemical laser induced nucleation of crystals from aged supersaturated solutions in which short high-intensity laser pulses are used to induce nucleation in an array or sequence aged supersaturated solutions. The laser reduc... | 05/11/2004 |
| 6642417 | Photocleavable and acid cleavable linkers for combinatorial chemistry A substrate for solid phase synthesis comprising a solid phase-linker combination of the formula I is disclosed. Also disclosed are processes for preparing the substrate and chemical intermediates useful therein. Among the novel intermediates are compound... | 11/04/2003 |
| 6596838 | Separation method and device with semi-permeable membranes comprising sulphonated polyimides The invention relates to a semi-permeable membrane separation process and device in which the said membranes comprise sulphonated polyimides. The present invention also relates to the use of sulphonated polyimide membranes in separation processes and devices u... | 07/22/2003 |
| 6310244 | Photocleavable and acid cleavable linkers for combinatorial chemistry A substrate for solid phase synthesis comprising a solid phase-linker combination of the formula I is disclosed. Also disclosed are processes for preparing the substrate and chemical intermediates useful therein. Among the novel intermediates are compound... | 10/30/2001 |
| 6187988 | Process for microwave decomposition of hazardous matter This process occurs in the presence of activated carbon or its equivalent by decomposing adsorbed hazardous materials, such as hydrazine and microorganisms, on the carbon surface by radiofrequency energy in the microwave range at near ambient conditions o... | 02/13/2001 |
| 6004436 | Processes for the chemical modification of inorganic aerogels A process is described to modify the chemical structure of an aerogel under conditions which inhibit plasma formation within the aerogel pores, which process includes; (a) providing an aerogel with a pore size of less than 0.1μ; (b) exposing the initial ... | 12/21/1999 |
| 5994110 | Methods for direct synthesis of compounds having complementary structure to a desired molecular entity and use thereof Compounds which possess a complementary structure to a desired molecule, such as a biomolecule, in particular polymeric or oligomeric compounds, which are useful as in vivo or in vitro diagnostic and therapeutic agents are provided. Also, various methods ... | 11/30/1999 |
| 5486275 | Nitrogen-containing perfluoroalkyl bromide and method for production thereof A nitrogen-containing perfluoroalkyl bromide, a novel compound to the art, is represented by the formula, ##STR1## wherein Rf1 and Rf2 independently stand for a perfluoroalkyl group of one to five carbon atoms, provided that Rf | 01/23/1996 |
| 5453161 | Polyamic acid to polyimide conversion by microwave heating An intermolecular and/or intramolecular non-foamed polyimide is prepared by heating an aromatic tetracarboxylic acid or dianhydride thereof and an aromatic diamine thereby preparing a polyamic acid, and then subjecting the polyamic acid in the solid phase... | 09/26/1995 |
| 5242551 | Electron induced transformation of an isoimide to an n-imide and uses thereof A method of isomerizing an isoimide to an n-imide is described wherein an electron is supplied to the isoimide which induces the isomerization and wherein the isomerization is catalytic to the electron which remains available to initiate further isomeriza... | 09/07/1993 |
| 5154808 | Functional organic thin film and process for producing the same A functional organic thin film comprising a water-insoluble organic thin film comprising at least one of a nitrene group and a carbene group and a bioactive protein chemically bound to said at least one of a nitrene group and a carbene group; and the meth... | 10/13/1992 |
| 5104503 | Photochemical dimerization of organic compounds At least one of selectivity and reaction rate of photosensitized vapor phase dimerizations, including dehydrodimerizations, hydrodimerizations and cross-dimerizations of saturated and unsaturated organic compounds is improved by conducting the dimerizatio... | 04/14/1992 |
| 5035786 | Fluorescent tag for sugar electrophoresis A method of separating mixtures of saccharides into distinct detectable groups is disclosed. The method comprises modifying 1-amino-4-naphthalene sulfonic acid (ANSA) with a light-sensitive azido-group and binding the modified ANSA to saccharides to form ... | 07/30/1991 |
| 4997988 | Oxa-organic sulfur compounds, their preparation and use Oxa-organic sulfur compounds, methods of preparing such compounds and methods of using the compounds as polymer chain length terminating agents are provided. The compounds are prepared by reacting allyl alcohol in the presence of a basic catalyst with a c... | 03/05/1991 |
| 4992150 | Process for preparing oil-soluble nitrogen-containing compounds A process for preparing oil-soluble nitrogen-containing compounds which comprises subjecting nitrogen-containing telogens and alpha-olefin taxogens to radical telomerization reaction. The nitrogen-containing compounds are mixtures of telomers having an av... | 02/12/1991 |
| 4990232 | Process for the preparation of carbodiimides The photooxidation of N,N'-substituted thioureas with oxygen in the presence of an acid-trapping agent gives N,N'-substituted carbodiimides. The carbodiimides can be converted into cyanoguanidines, which are suitable as latent curing agents for epoxy resi... | 02/05/1991 |
| 4908110 | Laser-induced nitration Infrared laser-induced production of nitrated products is achieved by irradiating compounds selected from propane, n-butane, isobutane, n-pentane, and cyclopropane in the gas phase while in a stainless steel cell 5×5×10 cm equipped with zinc selenide wi... | 03/13/1990 |
| 4874488 | Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes The space-time yield and/or the selectivity of the photochemical dimerization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and primary, secondary and tertiary silanes with Hg and U.V. light is enhanced by refluxing the substrate in... | 10/17/1989 |
| 4839008 | Homogeneous catalytic photochemical functionalization of alkanes by polyoxometalates A method for functionalizing alkanes, which comprises: (a) combining one or a mixture of alkanes with a photochemically active polyoxometalate compound to obtain a reaction medium; (b) allowing said photochemically active polyoxometalate compound to catal... | 06/13/1989 |
| 4792632 | Bisacylphosphine oxides, the preparation and use thereof Bisacylphosphine oxides of the general formula ##STR1## wherein R1 stands, for example, for a straight-chain or branched C1-18 alkyl radical, a cyclohexyl, cyclopentyl, phenyl, naphthyl, or biphenylyl radical, a cyclopentyl, cyclohex... | 12/20/1988 |
| 4737593 | Bisacylphosphine oxides, the preparation and use thereof Bisacylphosphine oxides of the general formula ##STR1## wherein R1 stands, for example, for a straight-chain or branched C1-18 alkyl radical, a cyclohexyl, cyclopentyl, phenyl, naphthyl, or biphenylyl radical, a cyclopentyl, cyclohex... | 04/12/1988 |
| 4673474 | Molecular controlled structure and method of producing the same Disclosed is a molecular controlled structure which includes a plurality of normal chain hydrocarbon molecules having at one end an energy responsive group such as a double bonding between carbon atoms as C.dbd.C and having at the other end a reaction gro... | 06/16/1987 |
| 4610767 | Photochemical method for preparing 4-keto-9-methylphenazine A method for preparing 4-keto-9-methylphenazine, which comprises methylation of phenazine with dimethylsulphate, followed by keeping the resulting reaction mixture at a temperature within the range of from 0° to 10° C. and carrying out a photo-chemical ... | 09/09/1986 |
| 4597999 | Method for coupling a hydrocarbon containing molecular species The present invention relates to a method for covalently coupling two molecular species and to the product of such coupling. The method has particular application to the binding of hydrocarbon containing ligands to a support matrix as may be required in, ... | 07/01/1986 |
| 4483757 | Photochemical process for preparing amines Aliphatic, cycloaliphatic, heterocyclic aliphatic and aromatic amines are prepared in a liquid phase reaction under the influence of light energy in the presence of a specified ammonium halide photocatalyst whereby addition of N--H bonds from ammonia or a... | 11/20/1984 |
| 4459191 | Light-catalyzed process for preparing amines Aliphatic and aromatic amines are prepared by the addition of N--H bonds from ammonia or a primary or secondary amine across the double bonds of an olefin under the influence of light energy, preferably in the presence of a photocatalyst. Amines are widel... | 07/10/1984 |
| 4369206 | Ammonium salts of -ketocarboxylic acids This invention relates to new ammonium salts of -ketocarboxylic acids, to their use for the production of amines in situ by photochemical decomposition and to photochemically hardenable coating compositions containing these ammonium salts.... | 01/18/1983 |
| 4284484 | Preparation of 1,3,5,7 tetraacetamido- and 1,3,5,7-tetraaminoadamantanes 1,3,5,7--Tetraacetamidoadamantane is prepared by reacting 1,3,5,7--tetraiadamantanewith acetonitrile and water in the presence of actinic radiation. The 1,3,5,7--tetraacetamidoadamantane can be hydrolyzed with hydrochloric acid to produce 1,3,5,7--tetraa... | 08/18/1981 |
| 4193855 | Isotope separation by multiphoton dissociation of methylamine with an infrared laser Methylamine (CH3 NH2) is dissociated into CH3 .multidot. and NH2 .multidot. radicals when irradiated with the output from an infrared laser. Ammonia (NH3) is then formed inherently through radical and... | 03/18/1980 |
| 4188273 | Process for preparing novel thin films A thin film of less than 300 microns in thickness can be obtained by crosslinking a surfactant with plasma or radiation. This thin film is as high in strength as an ordinary plastic film, and is usable as a substance-separating film, a substance-protectin... | 02/12/1980 |
| 4004572 | Solar energy collection and retrieval employing reversible photochemical isomerization A process for photochemical collection, storage, and retrieval of solar energy, including solar energy in the visible and near-infrared light spectrum, comprising: exposing to solar radiation of a trans-isomer of particular geometrically isomerizable comp... | 01/25/1977 |
