Class 562/596 - Halogen

Subclass of Class 562 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the acid contains covalently bonded halogen.
No. of patents: 28
Last issue date: 07/24/2007

Number	Title	Issue Date
7247747	Process for preparing R-(-)carnitine from S-(-)-chlorosuccinic acid or from a derivative thereof An inner salt of L-carnitine is prepared by reduction, with a suitable reducing agent, of a compound of formu (I): where X1 and X2, which may be the same or different, are hydroxy, C1	07/24/2007
6984739	Process for preparing R-(−)-carnitin from S-(−)-chlorosuccinic acid or from a derivative thereof An inner salt of L-carnitine is prepared by reduction, with a suitable reducing agent, of a compound of formula (I): where X1 and X2, which may be the same or different, are hydroxy, C1�...	01/10/2006
6677476	Process for preparing R-(-) -carnitine from S-(-)-chlorosuccinic acid or from a derivative thereof An inner salt of L-carnitine is prepared by reduction, with a suitable reducing agent, of a compound of formula (I): ##STR1## where X1 and X2, which may be the same or different, are hydroxy, C1 -C4 alkoxy, phen...	01/13/2004
6046292	Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c...	04/04/2000
5905127	Polymerizable mesophases based on substituted unsaturated carboxylic acids Mesogens are provided based on substituted unsaturated carboxylic acids such as acrylic and methacrylic acid. Substitution of a variety of hydrophobic tails onto the carboxylic acid or acid derivative via the vinyl carbon proximal to the carbonyl of the c...	05/18/1999
5463111	Process for preparing dialkyl 2-haloethyl malonates Dialkyl 2-haloethyl malonates are prepared from a dialkyl cyclopropane-1,1-dicarboxylate by reaction with a hydrogen halide in the presence of a 1,2-dialkoxy ethane as a solvent and of a Friedel-Crafts catalyst....	10/31/1995
5414095	Anhydride-functional primary alkyl halides An anhydride-functional primary alkyl halide having the structure: ##STR1## wherein R1, R2 and R2 are each individually hydrogen or methyl, and the total number of carbon atoms in R1 and R2 and R...	05/09/1995
5112507	Polymeric dispersants having alternating polyalkylene and succinic groups Novel copolymers of unsaturated acidic reactants and high molecular weight olefins wherein at least 20 percent of the total high molecular weight olefin comprises the alkylvinylidene isomer are useful as dispersants in lubricating oils and fuels and also ...	05/12/1992
5101068	Magnesium fluoromalonates The preparation of magnesium benzyl fluoromalonate and other equivalent materials, the synthetic equivalents of the --CH2 F moiety, is described. Reaction between these reagents and the in situ-formed imidazolides of various carboxylic acids gi...	03/31/1992
5004567	Process for producing fluorine-containing aliphatic carboxylic acids Process for producing fluorine-containing aliphatic carboxylic acids having the general formula of Y--Rf --Y' as defined herein by reaction of fluorine-containing aliphatic halogen compounds having the general formula of X--R4 --X' a...	04/02/1991
4990652	Intermediates for preparing multifunctional thiadiazole lubricant additives The reaction products of the alpha-halogenated half esters or amides of succinic acid and thiadiazole dimercaptides as new compositions of matter and their use as lubricant additives possessing multifunctional properties such as extreme pressure, antiwear...	02/05/1991
4927962	Process of preparing fluorocarbon carboxylic or sulfonic acid from its fluoride A fluorocarbon carboxylic acid Rf(COOH)m (Rf is C1 -C10 perfluoroalkyl group, m is 1 or 2) is prepared by the steps of hydrolyzing Rf(COF)m with water to obtain an acidic solution, neutralizing the acidic soluti...	05/22/1990
4908385	଱-halogenated dicarboxylic acids, pharmaceutical compositions and method of use The present invention provides pharmaceutical compositions containing at least one ଱-halogenated dicarboxylic acid of the general formula: ##STR1## wherein Hal is a chlorine, bromine or fluorine atom, R is a hydrogen atom or Hal and m is a numb...	03/13/1990
4736059	Process for the preparation of meso 2,5-dihaloadipates The present process produces the meso dialkyl 2,5-dihaloadipate from a mixture of the racemic dialkyl 2,5-dihaloadipate and meso 2,5-dihaloadipate. In the disclosed process, a 2,5-dihaloadipoyl halide is formed under conditions which result in the formati...	04/05/1988
4689344	Long-chain ଱,ω-dicarboxylic acids and derivatives thereof and pharmaceutical compositions containing them A novel class of compounds has been found to be effective in blocking cholesterol and neutral lipid synthesis in-vivo without adversely affecting energy metabolism, useful for the treatment of obesity, hyperlipidemia and maturity-onset diabetes. The activ...	08/25/1987
4634795	Long-chain ଱,ω-di-carboxylic acids and derivatives thereof and pharmaceutical compositions containing them A novel class of compounds has been found to be effective in blocking cholesterol and neutral lipid synthesis in-vivo without adversely affecting energy metabolism. The active compounds have the general formula ##STR1## or in-vivo hydrolysable functi...	01/06/1987
4578503	Alkylated or alkenylated malonic acid or its derivatives having a fluorine An alkylated or alkenylated malonic ester having a fluorine containing aliphatic substituent and derivatives thereof as expressed by the following general formula: ##STR1## where Rf is a fluorine containing aliphatic group, R is an aliphat...	03/25/1986
4503206	଱,ω-Perfluorodicarboxylic acids Tetrafluoroethylene is reacted in an aqueous environment with hydroxyl radicals, generating a mixture of water soluble and water insoluble ଱,ω-perfluorodicarboxylic acids....	03/05/1985
4479901	Fluorination of carbanions with N-fluoro-N-alkylsulfonamides Process for fluorinating an organic carbanion, which process comprises contacting and reacting, in a dry inert atmosphere, the compound of the formula selected from ##STR1## wherein ##STR2## is the carbanion, M is a counter ion, and X is a ...	10/30/1984
4346235	Fluorine-containing compounds A novel fluorine-containing compound of the formula wherein A is ##STR1## R1 and R2 are each hydrogen or R3 OOC--CH2)n, while R1 and R2 may not be hydrogen at the same time; X is...	08/24/1982
4282156	Method for the production of novel anhydride polycarboxylates Novel polyfunctional compounds and a process for their preparation are disclosed. These compounds and their alkali metal salts are useful metal sequestrants and/or detergent builders. Selected compounds are also intermediates useful in the syntheses of ac...	08/04/1981
4281119	Cryogenically controlled direct fluorination process, apparatus and products resulting therefrom An apparatus and process useful in direct fluorination of a variety of compositions, as well as the fluorinated compositions themselves, are disclosed. The apparatus comprises a cryogenic zone reactor, such as a packed column reactor, suitably divided int...	07/28/1981
4241223	F-Phenylalkylene oxide diacetylenes F-phenylalkylene oxide acetylenes having the formula C6 F5 C.tbd.C(CF2 OCF2)n C.tbd.CC6 F5, where n ranges from 3 to 8, inclusive. The diacetylenes are useful as monomers for pre...	12/23/1980
4201876	Fluorine containing polyethers A fluorinated polyether is synthesized by (1) reacting perfluoroglutryl chloride and 1,5-hexafluoropentane diol to provide a fluorinated polyester and (2) converting ester groups of the polyester to ether groups by SF4 reduction. The product ob...	05/06/1980
4076911	Ethylene-carbon monoxide copolymers Thermoplastic, soluble ethylene-carbon monoxide copolymers are produced using a Pd(CN)2 catalyst in the presence of an alkanoic acid substituted by a halide group on an alpha carbon. The polymers are useful for forming films and fibers and can ...	02/28/1978
4038310	Acid anhydride to react with impurities in the production of perfluorocarboxylic acids Perfluorocarboxylic acids are produced by a metathesis reaction between an acid and a perfluoro acid fluoride in the presence of an acid anhydride. The perfluoroacid fluoride can conveniently be produced by electrochemical fluorination of the acyl fluorid...	07/26/1977
4022824	Perfluorocarboxylic acids from carboxylic acids and perfluorocarboxylic acid fluorides Perfluorocarboxylic acids are produced by a metathesis reaction between an acid and a perfluoro acid fluoride (acyl fluoride). The perfluoroacyl fluoride can conveniently be produced by electrochemical fluorination of the acyl fluoride co-product of the m...	05/10/1977
4022803	Process for preparing isocitric acid, alloisocitric acid and lactones thereof Novel methods for preparing polycarboxylic compounds which are useful as metal sequestrants and food acidulants are disclosed. These compounds, isocitric acid, alloisocitric acid and lactones thereof, can also be neutralized to the corresponding salts, wh...	05/10/1977

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Class 562/596 - Halogen