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| Number | Title | Issue Date |
| 7361696 | 1,4-disubstituted diacetyline polymer and process for producing the same A 1,4-di-substituted diacetylene polymer that is soluble in organic solvent, is composed of a repeating unit represented by the general formula ═CR—C≡C—CR′═ (wherein, R and R′ represent identical or different monovalent organic substituents), and has a... | 04/22/2008 |
| 7268262 | Method for recovering trans-1,2-dichloroethene Describes a method for recovering trans-1,2-dichloroethene from a liquid feed composition comprising both the cis-and trans-isomers of 1,2-dichloroethene and contaminating amounts of other chlorinated hydrocarbons, e.g., lower alkyl chlorinated hydrocarbons, such as... | 09/11/2007 |
| 6245200 | Photo-oxidation method using MoS2 nanocluster materials A method of photo-oxidizing a hydrocarbon compound is provided by dispersing MoS2 nanoclusters in a solvent containing a hydrocarbon compound contaminant to form a stable solution mixture and irradiating the mixture to photo-oxide the hydrocarb... | 06/12/2001 |
| 5350497 | Production of perfluoro(alkyl vinyl ethers) Disclosed herein is a process for making perfluoro(alkyl vinyl ethers) by fluorination with elemental fluorine of selected novel partially fluorinated (di)chloroethyl ethers, followed by dehalogenation to the corresponding perfluoro(alkyl vinyl ether). Th... | 09/27/1994 |
| 4781807 | Efficient cis-to-trans isomerization of 1,4-dihalobutene-2 This invention relates to an efficient cis-to-trans isomerization of 1,4-dihalobutene-2 by means of a thiol or hydrogen bromide or hydrogen chloride catalyzed reaction.... | 11/01/1988 |
| 4664765 | Photochemical synthesis of allenic and propargylic organomercuric halides Propargylic halides, preferably the bromide and iodide, react with metallic mercury in a finely divided state, in the presence of sunlight to form the corresponding allenic or propargylic organomercuric halides in high yield.... | 05/12/1987 |
| 4603014 | Thiazolinoazetidinone derivatives and process for the preparation of the same This invention provides thiazolinoazetidinone derivatives represented by the formula ##STR1## and processes for preparing the same. The thiazolinoazetidinone derivatives are used as the intermediates for producing cephalosporin compounds useful ... | 07/29/1986 |
| 4417964 | Method of preparing olefinic compounds A method of preparing compounds having at least one olefinic double bond, ich method comprises irradiating the corresponding saturated halogenated compound in gaseous form, with pulsed coherent light or incoherent light, adjusting the wavelength of the ir... | 11/29/1983 |
| 4338173 | Catalytic isomerization process using photo-induced deligandation A process is provided for inducing a catalytic isomerization reaction. The process involves exposing to optical radiation a gaseous mixture including a reactant unsaturated hydrocarbon and a compound of a transition metal and a ligand. The gaseous transit... | 07/06/1982 |
| 4165269 | Method of making halogenated acetylenes Halogenated acetylenic compounds are prepared by irradiating a mixture of a reactant and a sensitizer with coherent light. The reactant has the general formula R--C2 HX4, R--C2 H2 X3, or R--C2 | 08/21/1979 |
| 4144152 | Dehalogenation of halogenated compounds Process for degrading halogenated organic compound having C-halogen groups to remove halogen atoms from said compound by treating it with ultraviolet (UV) radiation and hydrogen. Process for degrading such compound by treating it in aqueous alkaline solut... | 03/13/1979 |
| 4053380 | 1,1,1-Trihalogeno-4-methylpentenes, method of preparing the same and use of the same in the preparation of 1,1-dihalogeno-4-methyl-1,3-pentadienes 1,1,1-Trihalogeno-4-methyl pentenes and 1,1-dihalogeno-4-methyl-1,3-pentadienes are produced. These compounds are of value as intermediates for the production of pyrethrin analogs which are of use as insecticides or agricultural chemicals.... | 10/11/1977 |
| 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 |
| 4025408 | Deuterium separation by infrared-induced addition reaction A method for deuterium enrichment by the infrared-induced addition reaction of a deuterium halide with an unsaturated aliphatic compound. A gaseous mixture of a hydrogen halide feedstock and an unsaturated aliphatic compound, particularly an olefin, is ir... | 05/24/1977 |
| 3948742 | Preparation of polychlorcyclopentane and hexachlorcyclopentadiene Polychlorcyclopentane and hexachlorcyclopentadiene are prepared by reacting liquid chlorinated cyclopentane with gaseous chlorine in the presence of an electromagnetic radiation and optionally by a subsequent reaction of these higher chlorinated cyclopent... | 04/06/1976 |
