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| Number | Title | Issue Date |
| 7632965 | Method for producing (meth)acrylate derivative having isocyanate group The invention aims to provide a method whereby (meth)acrylate derivatives having an isocyanate group can be obtained in high yield by dehydrochlorination of 3-chloropropionate derivatives having an isocyanate group under industrially advantageous and mild conditions... | 12/15/2009 |
| 7304191 | Process for the synthesis of fluoroorganic compounds The present invention relates to a fluorination method for the synthesis of halofluoroorganic compounds which can be used, inter alia, as precursors in the synthesis of 2,3-unsaturated fluoroorganic carbonyl compounds comprising a fluorine substituent in the 2 posit... | 12/04/2007 |
| 7235853 | Fingerprint detection device and method of its manufacture, and apparatus for forming a protective film A fingerprint detection device has a fingerprint sensor chip and a diamond-like carbon (DLC) film covering the outermost surface of the sensor chip. The DLC film provides sufficient strength and enhanced electrostatic discharge withstand voltage to the fingerprint s... | 06/26/2007 |
| 6310237 | Process for the preparation and uses of derivatives of esters of -methylene-ଲ-hydroxy acids A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of eth... | 10/30/2001 |
| 6147251 | Process for the preparation and uses of derivatives of esters of -methylene-ଲ-hydroxy acids A process for the preparation of derivatives of halo-but-2-enoic acids and esters high in 2-ene content, several of which are novel. The esters and their derivatives are useful as promoters for the polymerization of ethylene or the copolymerization of eth... | 11/14/2000 |
| 6034268 | 8-Ocimenyl esters and fragrances and flavors containing the same Compounds of the formula ##STR1## in which one of the radicals R1 and R2 is methyl and the other is vinyl and one of the radicals R3 and R4 is methyl and the other is ##STR2## in which R5 | 03/07/2000 |
| 5679833 | Synthesis of vinyl esters Vinyl ester of an alcohol (such as benzoin) is made by reaction of the alcohol with a 3-haloalkyl acid halide (such as 3-chloropropional chloride or bromide) in an anhydrous liquid reaction medium comprising an aprotic solvent (such as toluene) and a hydr... | 10/21/1997 |
| 5262561 | Process for preparing (E)-2-propyl-2-pentenoic acid and intermediate compounds Composition consisting of a mixture of (E) and (Z) isomers of esters of general formula: ##STR1## in which R represents a C1 -C4 alkyl radical, containing at least 85% of (E) isomer. A process for preparing such a composition. T... | 11/16/1993 |
| 5189202 | Process for the preparation of 3,3-dimethyl-4-pentenoic acid In the present invention, 3,3-dimethyl-4-pentenoic acid (DPA) which is used for preparing permethric acid, an intemediate for preparing pyrethroid insecticides, is directly prepared from an isoprenol or a mixture of isoprenol and prenol without having to ... | 02/23/1993 |
| 5124476 | Process for the preparation of -fluoroacryloyl derivatives -Fluoroacryloyl derivatives are prepared by reacting a dihalogenopropene with an anhydrous mixture of nitric acid and hydrofluoric acid to give a 1-nitro-2,2-fluorohalogeno-3-halogenopropane, converting this in the presence of a strong acid and a l... | 06/23/1992 |
| 5075494 | Process for the preparation of -fluoroacrylic acid derivatives and new 1,1-difluoro-2-halogenoethyl (halogeno) methyl ketones Process for the preparation of -fluoroacrylic acid derivatives from 2,2-difluoro-1-methyl-cyclopropyl compounds and new 1,1-difluoro-2-halogenoethyl (halogeno)methyl ketones obtainable in this process as intermediates.... | 12/24/1991 |
| 4966996 | Process for the preparation of E-2-propyl-2-pentenoic acid and physiologically compatible salts thereof A novel process for the preparation of E-2-propyl-2-pentenoic acid, as well as the physiologically compatible salts thereof is described, in which 2-bromo-2-propyl-pentenoic acid ethyl ester is used as the starting compound. The bromine is split off with ... | 10/30/1990 |
| 4772695 | Process for the preparation of vinyl carbamates A process for the preparation of vinyl carbamates of formula I ##STR1## is described which comprises heating an -halogeno-carbamate of formula II ##STR2## in which X is a halogen atom at a temperature between 70° and 250° C. for a ... | 09/20/1988 |
| 4604482 | Processes for producing -fluoroacrylic acid esters and -fluoroacrylic acid fluoride This invention provides a process for preparing an -fluoroacrylic acid ester characterized by reacting 2,2,3,3-tetrafluorooxetane, a metal halide, an alcohol and a dehalogenating agent. This invention also provides a process for preparing -f... | 08/05/1986 |
| 4567003 | 2,3-Dibromo-pentafluoropropyl fluorosulfate Alkyl esters of CF2 .dbd.CFCOOH can be prepared from CF2 .dbd.CFCF2 OSO2 F by addition of bromine, reaction with F- to give CF2 BrCFBrCOF, esterification, and removal of bromine with zinc d... | 01/28/1986 |
| 4442301 | Process for stereoselectively synthesizing cyclopropane carboxylates A process for stereospecifically synthesizing lower alkyl esters of the cis-2,2-dimethyl-3-(ଲ-fluoro-ଲ-trifluoromethyl-vinyl)-cyclopropa necarboxylic acid.... | 04/10/1984 |
| 4214097 | Process for preparing dihalovinylcyclopropanecarboxylates Novel syntheses of dihalovinylcyclopropanecarboxylates, including potent insecticides, are described. The processes begin with the reaction between an alkenol and an orthoester to produce a γ-unsaturated carboxylate, followed by the catalyzed addition of... | 07/22/1980 |
| 4092482 | Process for preparing 6,6,6-trihalo-3,3-dimethyl-4-hexenoates An improved process for preparing a 6,6,6-trihalo-3,3-dimethyl-4-hexenoate, intermediate in the production of pyrethroid insecticides, comprises dehydrohalogenating with an organic amine a 4,6,6,6-tetrahalo-3,3-dimethylhexanoate having a 4-halogen atom of... | 05/30/1978 |
| 4072687 | Process for producing 2-amino-(2)-thiazoline-4-carboxylic acid 2-Amino-(2)-thiazoline-4-carboxylic acid is prepared by dehydrochlorinating S-(ଲ-carboxy-ଲ-chloroethyl) isothiourea by adding it to an aqueous medium maintained at a pH ranging from 5.5 to 7.5 with an alkali.... | 02/07/1978 |
| 3968150 | Process for the preparation of nitrogen- and fluorine-containing acrylates and methacrylates 1. A method for the preparation of difluoraminoalkyl acrylates and methacrylates in which there are at least two difluoramino groups present and the alkyl contains two to eighteen carbon atoms which comprises reacting in the temperature range of about 0°... | 07/06/1976 |
