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| Number | Title | Issue Date |
| 4851094 | Process for producing amidine sulfonic acid intermediates for guanidines An efficient synthesis of quanidines, e.g. of the formula (III), by oxidizing a thiourea, e.g. of the following formula (II): ##STR1## with H2 O2 and a molybdenum catalyst to yield an aminoiminomethane sulfonic acid which can th... | 07/25/1989 |
| 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 |
| 4837364 | Processes for preparing pentafluoroethoxy- and pentafluoroethylthiobenzene drivatives A process for the preparation of (pentafluoroethoxy)- and (pentafluoroethylthio)benzene derivatives either from phenol, thiophenol or from halobenzene. A halobenzene is reacted with trifluoroethanol or a phenol or a thiophenol is reacted with a compound o... | 06/06/1989 |
| 4751273 | Vinyl ether terminated urethane resins Vinyl ether terminated urethane resins may be prepared by reacting the product obtained by the addition of acetylene to an organic polyol with an isocyanate-containing compound at temperatures ranging from about ambient to about 125° C. The thus prepared... | 06/14/1988 |
| 4637868 | Method of oxidizing hydrazo compounds to corresponding azo compounds by hydrogen peroxide This invention relates to a novel method of oxidizing hydrazo compounds to corresponding azo compounds, and more particularly 4,4'-hydrazo-bis-4-cyano-pentanoic acid to 4,4'-azo-bis-4-cyano-pentanoic acid at a temperature close to ambient temperature, sai... | 01/20/1987 |
| 4588487 | Process for the preparation of 3'-halodiphenylethers This process relates to the halodecarboxylation of 3'-carboxydiphenylether salts using diacyl peroxides, molecular bromine, moderate temperature, an inert atmosphere and atmospheric pressure to afford 2-chloro-4-trifluoromethyl-3'-bromo-4'-nitrodiphenylet... | 05/13/1986 |
| 4505792 | Photochemical rearrangement of 2-aminopyrrolin-5-ones to aminocyclopropyl isocyanates and polymers thereof Subjecting 1,4-bis-[(pyrrolin-3-onyl)methylamino]-2-butyne to ultraviolet irradiation effects rearrangement in greater than 80% yield to 1,4-bis-[(isocyanatocyclopropyl)methylamino]-2-butyne. The diisocyanate is useful in the synthesis of polyurethanes an... | 03/19/1985 |
| 4492619 | Photochemical process for preparing alkoxy substituted compounds N-Chlorolactams, -amides, and -carbamates are photolyzed in alcoholic solution to provide N-(alpha-alkoxyalkyl)-substituted derivatives. These derivatives are interacted with hydroxylated acrylate or methacrylate esters to yield monomers which may be poly... | 01/08/1985 |
| 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 |
| 4443311 | Method for making amino acids A method for making amino acids wherein a mixture of nitrogen and carbon dioxide is exposed to light and a source of hydrogen in the presence of at least one Group VIII metal oxide.... | 04/17/1984 |
| 4411752 | Preparation of 1-monochloroethylcarbamyl chloride A process for the preparation of 1-monochloroethylcarbamyl chloride by chlorinating ethyl isocyanate or ethylcarbamyl chloride. The 1-chloroethylcarbamyl chloride obtainable according to the invention is an important starting material for the preparation ... | 10/25/1983 |
| 4380647 | 2-Aminopyrrolin 5-ones and aminocyclopropyl isocyanates therefrom Subjecting 1,4-bis-[(pyrrolin-3-onyl)methylamino]-2-butyne to ultraviolet irradiation effects rearrangement in greater than 80% yield to 1,4-bis-[(isocyanatocycloprolpyl)methylamino]-2-butyne. The diisocyanate is useful in the synthesis of polyurethanes a... | 04/19/1983 |
| 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 |
| 4297519 | Process for the preparation of 2-nitrobenzaldehyde A process provided for the production of 2-nitrobenzaldehyde from 2-nitrotoluene, in which 2-nitrotoluene is converted, by bromination by a radical mechanism, to 2-nitrobenzyl bromide in the form of a bromination oil containing 20 to 50% or more of 2-nitr... | 10/27/1981 |
| 4297434 | Photodeformable article having photoionizable groups on a polymer backbone The invention is directed to polymeric materials which undergo deformation upon exposure to actinic radiation. These polymeric materials contain at least one photoionizable group attached to a polymer backbone structure. Typically, photoionizable groups c... | 10/27/1981 |
| 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 |
| 4257858 | Photochemical method for producing biocidal 2-aryl-1,3-cyclohexanedione compounds 2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.... | 03/24/1981 |
| 4201638 | Triple ions of 1,2- and 1,4-dicarbonyl compounds and analogs thereof containing nitrogen and containing two strategic oxygen or nitrogen groups and process for producing same Stable paramagnetic alkali radical cationic triple ions of selected 1,2 and 1,4 dicarbonyl compounds and their nitrogen-containing analogs have been produced by both conventional alkali metal reduction of an appropriate organic compound and by a novel pro... | 05/06/1980 |
| 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 |
| 4177121 | Method of producing N-formylamine This invention provides a method of producing N-formylamine by photosensitized oxygenation of aldehyde-amine mixture. According to this invention, N-formylamine can be produced directly by photosensitized oxygenation of an aldehyde-amine mixture without s... | 12/04/1979 |
| 4105520 | Method for producing adipic acid and precursors thereof A method for producing adipic acid and precursor thereof which comprises oxidizing cyclohexane with nitrogen dioxide under irradiation of visible ray or ultraviolet ray in the presence of oxygen is incorporated with a method for producing adipic acid whic... | 08/08/1978 |
| 4104145 | Method for producing nitrobenzene A method for the nitration of benzene by the use of nitrogen dioxide under irradiation of visible ray or ultraviolet ray in the presence of oxygen.... | 08/01/1978 |
| 4046656 | Photochlorination process for methyl aromatic compounds The rate of photochlorination of methyl aromatic compounds, such as toluene, cresol, xylene, toluenesulfonyl chloride, methylnaphthalene, diphenylmethane, etc., is increased when carried out in the presence of bromine.... | 09/06/1977 |
| 4030994 | Substitutive fluorination of organic compounds Organic compounds having at least one replaceable hydrogen atom are fluorinated in the liquid or solid state by treatment with fluoroxyperfluoroalkanes or fluoroxypentafluorosulfur under the influence of a free radical initiator.... | 06/21/1977 |
| 4016059 | Method for curing ink and coating compositions of acrylated epoxidized soybean oil amine compounds Compositions of amine derivatives of acrylated epoxidized soybean oil, which are the reaction products of an organic amine with the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, and an acrylyl compound which are useful ... | 04/05/1977 |
| 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 |
| 4004571 | Isomerization for photochemical solar energy storage An invention relating to photochemical collection, storage, and retrieval of solar energy through exposing to solar energy in the visible light spectrum of a photochemical valence isomerizable composition for a time converting a significant portion thereo... | 01/25/1977 |
| 4004573 | Process and apparatus for solar energy collection and retrieval For collection, retrieval, and utilization of solar energy, there is taught a process and an apparatus wherein a photochemical fluid, containing an isomerizable compound, is passed through a collector for exposure to solar radiation to transform the isome... | 01/25/1977 |
| 4004996 | Fluorination of organic compounds Organic amines, amino acids, polyamides and vinylpolymers are fluorinated by the action of fluorine in liquid hydrogen fluoride optionally containing boron trifluoride or antimony pentafluoride at about -80° to 15° C. and optionally under irradiation wi... | 01/25/1977 |
| 3985803 | 2-Haloadamantyl-(1)-acetamides A process for preparing 2-haloadamantyl-(1)-acetamides of the formula I ##SPC1## wherein X is chloro, bromo or iodo, in which an N-haloadamantyl-(1)-acetamide of the formula II ##SPC2## wherein X is as defined above, is subjected to photochemical irradiat... | 10/12/1976 |
| 3965184 | Novel materials containing nitrogen Compositions of matter including the structural unit ##EQU1## wherein R.sub. F ' is a divalent polyfluoroalkylene group having a chain length of from 1 to 4 carbon atoms which may be substituted at one or more positions with chloro-or polyfluoroalkyl... | 06/22/1976 |
| 3965144 | Carbanilate compound for erythemal protection Compounds are provided for reducing erythemal response which are photoreactive precursors to para-aminobenzoic acid or its physiologically acceptable esters. Upon exposure to ultraviolet radiation of greater than about 280nm, the compounds of this inventi... | 06/22/1976 |
| 3962053 | Nitro group displacement Esters, ketones, nitriles and nitro compounds bearing an -nitro substituent react with certain salts of aliphatic nitro compounds with displacement of the -nitro substituent. The resulting products are esters, ketones, nitriles and nitro com... | 06/08/1976 |
| 3956089 | Process for producing N-chlorocarbonyl isocyanide dichloride N-chlorocarbonyl isocyanide dichloride is prepared by chlorinating methyl isocyanate and/or methyl carbamic acid chloride in solution in the presence of ultraviolet light at a temperature in the range of from 30° to 120°C. The temperature pattern during... | 05/11/1976 |
| 3930970 | Photolysis of alcohol nitrites There is described the preparation of a mononitrate ester of a diol by photolysing in the presence of molecular oxygen a nitrite ester of an alcohol having a hydrogen atom conformationally adjacent to the hydroxy group and in which the atoms joining the h... | 01/06/1976 |
| 3931071 | Compositions of acrylated epoxidized soybean oil amine compounds useful as inks and coatings Compositions of amine derivatives of acrylated epoxidized soybean oil, which are the reaction products of an organic amine with the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, and an acrylyl compound are useful as coa... | 01/06/1976 |