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| Number | Title | Issue Date |
| 7161025 | Method for producing a fluorinated ester compound The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester com... | 01/09/2007 |
| 7125535 | Method of preparing anhydrous manganese chloride An efficient process for forming anhydrous metal halides includes the reaction of a metal powder with a hydrogen halide under anhydrous conditions. In one example, manganese powder is reacted with hydrogen chloride under anhydrous reaction conditions. ... | 10/24/2006 |
| 7034179 | Method for producing a fluorinated ester compound The present invention provides a method for producing industrially useful fluorine-containing compounds such as a fluorinated ester compound and an acid fluoride compound. Namely, the present invention resides in a method for producing a fluorinated ester com... | 04/25/2006 |
| 6956138 | Method for producing a fluorine-containing compound The present invention provides a method for obtaining a compound useful as a raw material for various fluororesins in high yield by a short process by using a starting material which is inexpensive and readily available. ... | 10/18/2005 |
| 6951957 | Process for producing a fluorine-containing compound by liquid phase fluorination The invention provides a process for producing a fluorine-containing compound from an inexpensive material. Namely, Compound I such as RACH2OH is reacted with Compound II such as XCORB to form Compound III such as RA | 10/04/2005 |
| 6911513 | Fluorinated diene compound and fluoropolymer, and methods for their production A novel fluoropolymer which can be an optical resin material having a low refractive index and excellent heat resistance, and a novel fluorinated diene compound having two unsaturated bonds, capable of presenting such a fluoropolymer, are presented. Further, by virt... | 06/28/2005 |
| 6844468 | Process for preparing substituted benzoyl chlorides The present invention relates to a process for preparing substituted benzoyl chlorides of the formula (1) where R, x and y have the meaning given below, which comprises reacting a benzaldehyde of the formula (2) | 01/18/2005 |
| 6833477 | Process for producing a vic-dichloro acid fluoride The process for producing a vic-dichloro acid fluoride compound in a short process and in good yield from the starting material which is inexpensive and readily available is provided. (RH1—EH1—)CRH2RH3CH2—... | 12/21/2004 |
| 6677479 | Substituted fluoroaromatics, process for preparing them and their use Compounds of the formula (I) and also process for preparing them ##STR1## where substituents X1, X2, Y and Z are defined as follows: X1 is H or F X2 is H or F Y is CI, Br, or I Z is CHO or COOH or CN n... | 01/13/2004 |
| 6586626 | Process for producing a fluorine-containing compound by liquid phase fluorination The invention provides a process for producing a fluorine-containing compound from an inexpensive material. Namely, Compound I such as RA CH2 OH is reacted with Compound II such as XCORB to form Compound III such as RA | 07/01/2003 |
| 6255524 | Process for producing acid chlorides having polyfluoroalkyl groups An acid chloride can be produced at a high yield from a primary alcohol having a polyfluoroalkyl group and one methylene group by (1) a method in which Rf CH2 OH (wherein Rf is a polyfluoroalkyl group) is reacted with chlo... | 07/03/2001 |
| 6187952 | Two-step production of 3-chloro-4-fluoro-benzoyl chloride by chlorination The present invention relates to a process for the preparation of 3-chloro-4-fluorobenzoyl chloride which comprises reacting 4-fluorobenzaldehyde with a chlorinating agent in the presence of a free-radical initiator in the presence or absence of a solvent... | 02/13/2001 |
| 5939581 | Processes for preparing hydrocinnamic acid Processes for preparing aromatic carboxylic acids. Cinnamaldehyde is hydrogenated to produce a mixture of hydrogenation products, namely, hydrocinnamaldehyde and hydrocinnamic alcohol. The mixture is then oxidized using a suitable oxidizing agent to subst... | 08/17/1999 |
| 5872290 | Preparation of acid chlorides Disclosed is a method of making an acid chloride having the general formula ##STR1## where each R contains no unsaturated groups and is preferably independently selected from aliphatic from C1 to C7 and aryl from C6 t... | 02/16/1999 |
| 5872291 | Process for producing benzoyl chlorides Provided is a process for producing benzoyl chlorides which comprises reacting an aromatic aldehyde with chlorine in liquid phase in the presence of inert gas, whereby the generation of benzal chlorides by products whose separation is difficult can be sup... | 02/16/1999 |
| 5672749 | Process for preparing acetyl chloride The yield of acetyl chloride from the reaction between acetic anhydride and hydrogen chloride is increased by withdrawing acetyl chloride, optionally together with at least some of the acetic acid by-product, from the reaction mixture as the reaction proc... | 09/30/1997 |
| 5599981 | Process for producing alkylbenzoyl chloride Provided is a process for producing alkylbenzoyl chloride which comprises reacting alkylbenzaldehyde with chlorine at a temperature of -10° to 80° C. under a pressure of 5 kg/cm2 or below in a liquid phase, whereby alkylbenzoyl chloride can b... | 02/04/1997 |
| 5569782 | Process for preparing polyfluorochlorocarbonyl chlorides and perfluorocarbonyl chlorides with addition of chlorine A process for preparing polyfluorochloro- and perfluorocarbonyl chlorides, for example for preparing perfluoropropionyl chloride, chlorodifluoroacetyl chloride or trifluoroacetyl chloride, in which starting materials are employed which have a CHCl2 | 10/29/1996 |
| 5506358 | Process for producing alkoxyiminoacetamide compounds There is disclosed a process for producing an alkoxyiminoacetamide compound which is useful as agricultural fungicides. Also dislclosed are novel intermediate compounds for the above process and their production.... | 04/09/1996 |
| 5504250 | Process for the preparation of D-(-)-phenylglycine chloride hydrochloride The invention relates to a process for the preparation of D-(-)-phenylglycine chloride hydrochloride by chlorinating D-(-)-phenylglycine hydrochloride, which as such is prepared in situ from D-(-)-phenylglycine and hydrochloric acid gas, in a solvent. Acc... | 04/02/1996 |
| 5473095 | Process for the preparation of chlorinated 4,5-difluorobenzoic acids, -benzoic acid derivatives and -benzaldehydes The present invention relates to a process for the preparation of compounds of the formula ##STR1## in which R1 is --CN, --COOH, --COOR', R' being an organic radical having 1 to 6 carbon atoms, --CONH2, --COCl or --CHO and R | 12/05/1995 |
| 5344977 | Process for the preparation of 2,3-dibromopropionyl chloride An improved process for the preparation of 2,3-dibromopropionyl chloride, which comprises brominating acrylic acid, adding iron powder or an iron salt to the resultant melt, chlorinating the dibromopropionic acid obtained, and removing the volatile compon... | 09/06/1994 |
| 5296640 | Process for preparing perhaloacyl chlorides A process for preparing perhaloacyl chlorides such as trifluoroacetyl chloride by oxidizing lower perfluoroalkyl and monochloroperfluoroalkyl dichloromethane within the supercritical region and in the absence of water.... | 03/22/1994 |
| 5037512 | Process for the purification of benzoic acid by distillation with an amine A process for the purification of crude benzoic acid obtained by the catalytic oxidation of toluene in the liquid phase, which is contaminated with impurities including phthalic acid and benzylbenzoate, the process involves distilling the crude benzoic ac... | 08/06/1991 |
| 4990661 | Process for the preparation of benzoic acid derivatives A process for the preparation of a compound of the formula ##STR1## in which X1 and X2 each independently is chlorine or fluorine, and Y is chlorine, bromine, fluorine or iodine, comprising subjecting a compound of the formula ... | 02/05/1991 |
| 4968852 | Trifluoromethylbenzoyl bromide and conversion of same to bromobenzotrifluoride A novel compound, trifluoromethylbenzoyl bromide, is formed by bromination of trifluoromethylbenzoic acid with, e.g., phosphorus tribromide or by halogen exchange reaction of trifluoromethylbenzoyl chloride with bromine in the presence of a metal bromide.... | 11/06/1990 |
| 4851160 | Process for the preparation of benzoic acid derivatives A process for the preparation of a compound of the formula ##STR1## in which X1 and X2 each independently is chlorine or fluorine, and Y is chlorine, bromine, fluorine or iodine, comprising subjecting a compound of the formula ... | 07/25/1989 |
| 4801750 | Process for the produciton of 2-chloroacetoacetic acid amides Process for the production of 2-chloroacetoacetic acid amides. Diketene is converted at a temperature of +30° to -40° C. with the help of hydrogen chloride into acetoacetic acid chloride. Chlorine is introduced into the mixture at a temperature of +30°... | 01/31/1989 |
| 4643851 | Process for preparing trifluoroacetyl chloride The invention relates to the preparation of trifluoroacetyl chloride by catalytic chlorination of trifluoroacetaldehyde with chlorine. Catalysis is performed in the vapor phase in a fixed bed or a fluidized bed reactor with an activated carbon catalyst. O... | 02/17/1987 |
| 4528146 | Process for the preparation of terephthaloyl and isophthaloyl dichlorides An improved process for the preparation of terephthaloyl and isophthaloyl dichlorides by chlorination of dimethyl terephthalate and isophthalate with chlorine gas at temperatures from 100°-250° C., optionally in the presence of light and/or catalysts pr... | 07/09/1985 |
| 4388251 | Method for preparing 2-chlorobenzoyl chloride The present application is directed to the preparation of 2-chlorobenzoyl chloride by the reaction of 2-chlorobenzaldehyde with chlorine in the presence of phosphorus pentachloride.... | 06/14/1983 |
| 4272454 | Process for the chlorination of -aminoacids A process for the chlorination of the carboxylic group of -aminoacids is described whereby an aminoacid (e.g. p-hydroxy-phenyl-glycine) is suspended in an anhydrous solvent such as dioxane and treated with a chlorinating agent of the formula: ... | 06/09/1981 |
| 4175095 | Process for the manufacture of pentachlorovinylacetyl chloride Pentachlorovinylacetyl chloride is prepared by chlorinating tetrachlorocyclobutenone with a chlorinating agent such as (a) Cl2, optionally in the presence of additives, e.g., phosphorous pentachloride, antimony pentachloride, or oxides, hydroxi... | 11/20/1979 |
| 4167525 | Process for preparation of aromatic acyl chloride An aromatic acyl chloride is obtained with industrial advantages by reacting an aromatic carboxylic acid, phosphorus trichloride and chlorine, treating the reaction mixture comprising by-produced phosphorus pentachloride with at least one treating agent s... | 09/11/1979 |
| 4151186 | Preparation of acyl chlorides A process which comprises contacting a zirconium compound having the formula ##STR1## wherein Cp is a π-cyclopentadienyl radical and each Cp can be the same or different, X is an essentially non-interfering monovalent entity, and R is alkyl or cyclo... | 04/24/1979 |
