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| Number | Title | Issue Date |
| 7498456 | S-(α, α′-disubstituted-α″-acetic acid) substituted dithiocarbonate derivatives for controlled radical polymerization, process and polymers made therefrom Dithiocarbonate derivatives are disclosed, along with a process for preparing the same. The dithiocarbonate compounds can be utilized as initators, chain transfer agents and/or terminators in controlled free radical polymerizations. The dithiocarbonates can be used ... | 03/03/2009 |
| 7402690 | Chain transfer agents for raft polymerization in aqueous media Polymers and copolymers synthesized by means that yield a narrow range of molecular weights can have different properties than polymers synthesized by conventional means. In order to obtain such polymers, however, polymerization must be controlled. One type of contr... | 07/22/2008 |
| 7214751 | Radical polymerization method performed in the presence of disulfide compounds The invention relates to a method of preparing a composition of living polymers comprising a non-photoinitiated radical polymerization step using a composition consisting of: at least one ethylenically unsaturated monomer, preferably a methacrylic monomer, at least ... | 05/08/2007 |
| 6583175 | Alkylxanthates and use of alkylxanthates in the integrated pest management This invention relates to novel alkylxanthates of formulae 1 to 3 and use of alkylxanthates of formulae 1 to 6 in the integrated pest management, more specifically alkyl xanthates are used as insect growth regulators for pest management in agricultural fi... | 06/24/2003 |
| 6465457 | Carbonate, carbamate, thiocarbonate dithiocarbonate and thiocarbomate derivatives useful as fungicides Fungicidal compounds of formula (I): ##STR1## wherein W is CH3 O.CH.dbd.CCO2 CH3, CH3 ON.dbd.CCONR3 R4 or CH3 ON.dbd.CCO2 CH3 and stereoisomers thereof; n i... | 10/15/2002 |
| 5977395 | Ester syntheses and transesterifiable xanthate reactants therefor "Esters" are synthesized by reacting a nucleophile with a propargyl xanthate advantageously having the formula (I): R3 --C.tbd.C--CR1 R2 --S--CS--Y--R (I) in the presence of at least one acid, Bronsted or otherwise, and at ... | 11/02/1999 |
| 5777162 | Intermediates for the preparation of fungicides Described herein are compounds of Formula (XX) and Formula (XXIV), shown below, and processes of making same. ##STR1## wherein p is 0 ##STR2## wherein p is 1, and Y is chlorine or bromine.... | 07/07/1998 |
| 5637722 | Ester syntheses and transesterifiable xanthate reactants therefor "Esters" are synthesized by reacting a nucleophile with a propargyl xanthate advantageously having the formula (I): R3 --C.tbd.C--CR1 R2 --S--CS--Y--R (I) in the presence of at least one acid, Bronsted or otherwise, and at ... | 06/10/1997 |
| 5384329 | Oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ... | 01/24/1995 |
| 5288753 | Method of controlling animal and fungal pests with oligomeric thiocarbonates Oligomeric thiocarbonates such as hexathiodicarbonate salts and thioesters are used as pesticides and preservatives. Certain oligomeric thiocarbonate salts, notably quaternary ammonium hexathiodicarbonates, are prepared. The compounds are stabilized with ... | 02/22/1994 |
| 5239104 | Method to prepare alklyl xanthates of phenols Alkyl xanthates of phenols are prepared by a method comprising contacting an alkali metal salt of a phenol that is substantially free of water with carbon disulfide and an alkylating agent while employing a solvent in the reaction mixture.... | 08/24/1993 |
| 5011965 | Process for production of methylene bisxanthates A methylene bisxanthate chemical compound is produced by reaction of an aqueous solution of an alkaline xanthate with methylene chloride in the presence of a polyethylene glycol (PEG) with alcoholic terminal groups as a phase transfer catalyst. The PEG is... | 04/30/1991 |
| 4793852 | Process for the recovery of non-ferrous metal sulfides This invention relates to a method of recovering non-ferrous metal sulfides from a metal ore which comprises subjecting the metal ore, in the form of an aqueous pulp, to a froth flotation process in the presence of a flotating amount of a flotation collec... | 12/27/1988 |
| 4486222 | Herbicide composition and process for the preparation of the active ingredients herbicidal phenyl carbonates New herbicidal compounds of the formula (I) ##STR1## wherein A is oxygen or sulfur; B is O-C1 to C4 alkyl, O-C2 to C6 alkenyl, O-C6 to C10 aryl, O-C1 to C4 -alkoxy-C | 12/04/1984 |
| 4370497 | Oxidation process using tellurium oxide catalysts The present invention relates to the use of telluroxides as mild and selective oxidizing agents serving to oxidize certain functions, notably >C.dbd.S groups, in the presence of other relatively easily oxidized functions which remain unaffected; telluroxi... | 01/25/1983 |
| 4178302 | Nematic liquid crystalline compounds Nematic liquid crystalline 4,4'-substituted derivatives of cyclohexene-1-carboxylic acid phenylthiol esters represented by the general formula ##STR1## wherein R1 is a linear alkyl group containing 3 to 7 carbon atoms, and R2 | 12/11/1979 |
| 4154753 | Fluorinated compounds containing functional groups Surface-active products containing a highly fluorinated aliphatic substituent are prepared by nucleophilic attack of an oligomer of tetrafluoroethylene with an organic hydroxy compound in association with a proton acceptor.... | 05/15/1979 |
| 4137250 | Liquid crystal compounds and composition Novel compounds exhibiting liquid crystal properties have the formula ##STR1## wherein $c; is a benzene ring containing hydrogen atoms or an inert substituent therefor at other than the para position, and R and R' are, independently in each case, ... | 01/30/1979 |
| 4078139 | Process for deoxygenating secondary alcohols The process for removing a secondary hydroxyl group from an organic compound having at least one secondary hydroxyl group and having any amino groups protected, comprises the reaction of a reactive ester of said secondary hydroxyl group selected from the ... | 03/07/1978 |
| 4067910 | Process for making allylmercaptan Certain allylmercaptans, some of which are novel, can be used to make novel flavorant and fragrance compositions. A novel method for making the allylmercaptans is disclosed.... | 01/10/1978 |
| 4019991 | Sulphur containing lubricating oil additives New compounds are derived from intra-molecular and inter-molecular, in the case of a polymer, sulphur bridged hydrocarbon rings containing from 6 to 12 carbon atoms. The hydrocarbon ring is preferably 1,5-cyclooctadiene. The compounds also contain the res... | 04/26/1977 |
| 4017489 | Process of preparing unsymmetrical disulfides An N-(aminothio)-phthalimide such as N-(morpholinothio)-phthalimide is reacted with a compound having the structure RSH or a metallic salt thereof, for example, benzene thiol, to produce a compound having the structure RSSNR1 R2, suc... | 04/12/1977 |
