Class 568/676 - Halogen containing

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain halogen.
No. of patents: 34
Last issue date: 03/26/2002

Number	Title	Issue Date
6362379	Method of making chlorofluoroethers A method is provided for preparation of chlorofluoroethers ClCF2 CFClOR8f and Cl2 CFCFClOR8f by direct fluorination of Cl2 CHCH2 OR8 and Cl3 CCH2...	03/26/2002
5859052	Fatty acid analogs and prodrugs Novel derivatives of fatty acid analogs that have from one to three heteroatoms in the fatty acid moiety which can be oxygen, sulfur or nitrogen, are disclosed in which the carboxy-terminus has been modified to form various amides, esters, ketones, alcoho...	01/12/1999
5672770	Process for the preparation of methyl 1,1-dichloromethyl ether or of ethyl 1,1-dichloromethyl ether The invention relates to a process for the preparation of methyl 1,1-dichloromethyl ether or of ethyl 1,1-dichloromethyl ether, according to which methyl formate or ethyl formate is reacted with phosgene, diphosgene, triphosgene or oxalyl chloride or one ...	09/30/1997
5608119	(2S)-3-[(1R, 2S, 5R)-[5-methyl-2-(1-methylethyl)-cyclohexyl]oxy]-1, 2-propanediol, process for producing the same, and compositions containing the same (2S)-3-{(1R, 2S, 5R)-[5-Methyl-2-(1-methylethyl)cyclohexyl]oxy}-1,2-propanediol represented by the following formula (I); ##STR1## a process of producing the (2S)-3-{(1R, 2S, 5R)-[5-methyl-2-(1-methylethyl)cyclohexyl]oxy}-l,2-propanediol which ...	03/04/1997
5362835	Production of compounds A process for the production of a material having an increased molecular weight relative to the diepoxide starting material the material being either a hydroxy-terminated or an epoxy-terminated material comprising a) reacting a diepoxide with a dihydroxy compo...	11/08/1994
5292961	Process for the preparation of halogenated polyethers Process for the preparation of halogenated polyethers of the general formula: ##STR1## wherein X=Cl or F, RF and R'F either equal to or different from each other, are selected from fluorinated alkyl radicals with from 1 to 20 ...	03/08/1994
5210322	Processes for the preparation of ethers A process for preparing ethers which comprises contacting a carboxylated ether with a metal oxide catalyst under conditions effective to produce the ether....	05/11/1993
5104987	Alkoxylation of active hydrogen-containing compounds This invention relates to a process for the alkoxylation of an active hydrogen-containing compound comprising contacting the active hydrogen-containing compound with an alkylene carbonate in the presence of a mixed metal oxide catalyst under conditions ef...	04/14/1992
5013472	Chlorotrifluoroethylene telomers New chlorotrifluoroethylene telomers and process for preparing them. Chlorotrifluoroethylene is reacted, at a temperature ranging from -100° to +40° C., with a fluoroxy compound of formula Rx --CF2 OF, wherein Rx represe...	05/07/1991
4762952	Metal perfluorosulphonic acid polymer catalyst A perfluorosulphonic acid polymer suitable for use as a catalyst contains units of the formula: wherein M is a multivalent metal cation, R is a C1 to C8 fluorinated alkyl group, z is the valency of M, and w is an integer having a value between...	08/09/1988
4709059	Process for selective halogenation of primary hydroxyl groups Epoxy compounds for use as epoxy resins are prepared from relatively inexpensive and renewable resources via a selective halogenation process. Primary pendant hydroxyl groups on straight carbon chain compounds with oxygen atoms pendant to each carbon are ...	11/24/1987
4691062	Process for the production of 4-chloro-butanals 4-chloro-butanals of the formula ##STR1## where R is hydrogen or a straight or branched chain alkyl group of 1 to 4 carbon atoms are produced by reacting the corresponding 1,1-dimethoxy-4-hydroxybutane at a temperature between -20° and +80° C....	09/01/1987
4687755	Metal perfluorosulphonic acid polymer catalyst A perfluorosulphonic acid polymer suitable for use as a catalyst contains units of the formula: wherein M is a multivalent metal cation, R is a C1 to C8 fluorinated alkyl group, z is the valency of M, and w is an integer having a value between...	08/18/1987
4560811	Metal-mediated halohydrin formation Novel methods for making chlorohydrins are provided using a Lewis acid catalyst with an olefin and peroxy compound or where an enantiomer is desired, a Lewis acid catalyst in combination with a chiral alcohol, particularly glycol, and a combination of a p...	12/24/1985
4543430	Process for the preparation of addition products of epoxides and hydroxylated compounds Process for the preparation of addition products of epoxides and hydroxylated compounds, characterized by the fact that it comprises the reaction of an epoxide and a hydroxylated compound in the homogeneous liquid phase, in the presence, as catalyst, of a...	09/24/1985
4504685	Oxyalkylation process Hydroxyl compounds are oxyalkylated by contacting them with an alkylene oxide, such as ethylene oxide or propylene oxide, in the presence of a perfluorocarbon polymer containing pendant sulfonic acid groups....	03/12/1985
4447660	Process for the isomerization of ortho-and para-bromophenols or the ethers thereof into meta-bromophenols and corresponding ethers Process for the isomerization of ortho- and para-bromophenols or the ethers thereof into corresponding meta-brominated derivatives by isomerizing ortho- and para-bromophenols in the corresponding ethers in the presence of a liquid superacid at a temperatu...	05/08/1984
4431845	Method for the preparation of hydroxyl-terminated poly(haloalkylene ethers) A method for the preparation of hydroxyl-terminated poly(haloalkylene ethers) is disclosed wherein a catalyst system comprising a fluorinated acid and a polyvalent tin compound is utilized....	02/14/1984
4409403	Oxyalkylation process This invention relates to oxyalkylations which take place in the presence of solid acid catalysts. More particularly this invention relates to increasing the selectivity of such processes employing a solid acid catalyst, preferably a polyfluorosulfonic ac...	10/11/1983
4393248	Flame retarded halogenated polyol A flame retardant, halogenated polyol having the formula ##STR1## wherein R is an aliphatic radical substituted with at least 1 hydroxyl groups, X is a halogen, and X' is a halogen or hydrogen, is used in the reaction mixture for preparing flame reta...	07/12/1983
4385190	Process for the production of diethers A process for the production of a mono- or poly-alkylene glycol diether which consists of reacting an ether having at least one lower alkyl group with alkylene oxide in the presence of a heteropoly acid or a heteropoly acid acidic salt. Heteropoly acids a...	05/24/1983
4371717	Process for the in-solvent, in-situ generation of haloalkyl alkyl ethers The present invention is directed to a process for the preparation of certain N-substituted-2-haloacetanilides via the reaction of a secondary 2-haloacetanilide with a haloalkyl ether, particularly, halomethyl ethers, which comprises forming the ether in ...	02/01/1983
4360698	Process for making glycol ethers utilizing a heterogeneous catalyst A process to form glycol ethers by reacting an organic compound (A) having at least one aliphatic hydroxyl group with an oxirane compound (B) under reaction conditions in the presence of a catalytic amount of a polymeric material that is substantially ins...	11/23/1982
4357282	Preparation of fluorocarbonyl compounds Fluorinated carbonyl compounds are prepared by contacting a fluorinated methyl or ethyl ether containing at least one methoxylated carbon atom-containing group selected from: --CF2 OR3, .dbd.CFOR3, ##STR1## wherein R	11/02/1982
4313008	Synthesis of S-3-chloro-1,2-propanediol The S-enantiomer of 3-chloro-1,2-propanediol is prepared by reaction of a chlorodeoxy-D-saccharide having the partial structure. ##STR1## to cleave the glycol, reduce the aldehyde so formed to an alcohol, and hydrolyse the alcohol under mild acidic c...	01/26/1982
4284826	Polyether polyols Low viscosity chlorine containing polyether polyols, and more specifically a low molecular weight, low viscosity diol oligomer of 4,4,4-trichloro-1,2-epoxybutane of the formula ##STR1## wherein R and R' are each selected from hydrogen and --CH2	08/18/1981
4283577	Method for making ethylene chlorohydrin This invention relates to the method for making ethylene oxide, characterized by the fact that ethylene oxide in the gaseous state is made to react with anhydrous gaseous hydrochloric acid, with the reaction medium likewise being maintained in the gaseous...	08/11/1981
4228310	Polyol preparation Covers a method of preparing polyether polyols useful in making a polyisocyanurate polymer by oxyalkylating an alcohol by the catalytic addition of an alkylene oxide to said alcohol in presence of a catalyst selected from the group consisting of carbamate...	10/14/1980
4211796	Feed intake limiting composition for cattle A composition for limiting feed supplement intake for cattle is disclosed which comprises at least one member of a group of compounds having the formula: ##STR1## wherein A is a hydroxyl or R B is a halogen or hydroxyl or R C is a halogen, or C is a ...	07/08/1980
4173710	Halogenated polyether polyols and polyurethane foams produced therefrom New halogenated polyether polyols for the production of permanently fire-proof polyurethane foams, said halogenated polyether polyols corresponding to the general formula: ##STR1## in which z represents a number between 2 and 6, x and y represent num...	11/06/1979
4163865	Process for the preparation of pinacols An improvement in a process for the preparation of a pinacol of the formula ##STR1## wherein R1 and R2 are identical or different and represent optionally substituted aliphatic, cycloaliphatic, araliphatic or an aromatic hydroca...	08/07/1979
4163021	Synthesis of 2,6,10-trimethyl-undecan-1-ol A synthesis of 2,6,10-trimethyl-undecan-1-ol, an intermediate for producing vitamin E, from methacrolein, crotonaldehyde, ଲ-hydroxy-isobutyric acid including intermediates in this synthesis....	07/31/1979
4020024	Halogenated polyether-polyols and polyurethane foams manufactured from the latter Halogenated polyether-polyols lacking terminal primary chlorohydrin and hydroxyl groups are reacted with organic isocyanates to produce semi-rigid or rigid polyurethane foam having excellent physical, mechanical and processing characteristics and good fir...	04/26/1977
3933923	Process for the manufacture of vicinal glycols A process for the manufacture of higher vicinal diols or polyols by hydrolysis of the corresponding mono- or poly-epoxides, characterized in that the hydrolysis is carried out using aqueous solutions of salts of aliphatic mono- and/or polycarboxylic acids...	01/20/1976

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Class 568/676 - Halogen containing