Class 568/560 - Halogen containing

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain halogen.
No. of patents: 39
Last issue date: 12/07/2010

Number	Title	Issue Date
7847132	Hepatic fibrosis inhibitor The progression of hepatic fibrosis and hepatic cirrhosis caused by various hepatic disorders and damages such as chronic hepatitis can be restrained by hepatic fibrosis inhibitor containing a compound represented by the following chemical formula:	12/07/2010
7329784	Process for preparing peroxidic perfluoropolyethers A process for preparing peroxidic perfluoropolyethers having a peroxidic content (PO) higher than 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)ml(CF	02/12/2008
7214833	Process for preparing perfluoropolyethers A process to obtain perfluoropolyethers comprising: a) synthesis of peroxidic perfluoropolyethers by one of the following reactions: al) TFE photooxidation, in solvents selected between perfluorocarbons and (mono)h...	05/08/2007
7135599	Perfluorodiacylperoxides as polymerization initiators Perfluorodiacylperoxides having the following structures: wherein: when Rf is F, Rf′, Rf″ are both —CF3; when ...	11/14/2006
7115783	PFPEs having at least an alkylether end group and respective preparation process Perfluoropolyethers having structural formula R1O—(CF2O)n—(CF2CF2O)mR2 (I) wherein: R1 is —CH3 or —C2H5	10/03/2006
7087693	Polymerization process involving diacyl peroxides The invention relates to a process to make and use specific diacyl peroxides in polymerization reactions. The peroxides are produced and used in a polymerization process within a short timeframe in order to overcome stability issues associated with them. ...	08/08/2006
6982173	PFPEs having at least an alkylether end group and respective preparation process Perfluoropolyethers having structural formula R1O—(CF2O)n—(CF2CF2O)mR2 (I) wherein: R1 is —CH3 or —C2H5	01/03/2006
6852893	Method for oxidizing hydrocarbons The invention relates to a method for oxidizing substrates such as hydrocarbons, waxes or soot. The method involves the use of a compound of formula (I) in which: R1 and R2 represent H, an aliphatic or aromatic alkoxy radical, carboxyl radical, alkoxycarbonyl radica...	02/08/2005
6790890	Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper Aqueous compositions of (per)fluoropolyether phosphates of formula: T—O—[Rf—CFY—L—O]P(O)(O−Z+)(OH); and/or (A) (OH)m(O−Z+)2-mP(O)...	09/14/2004
6700023	Low temperature initiators for fluoroolefin polymerization A new class of low temperature initiators has been found, enabling fluoroolefin polymerizations at relatively low temperatures. These initiators are diacyl peroxides which allow improved productivity and product properties, as well as more favorable react...	03/02/2004
6395937	Synthesis of diacyl peroxide in carbon dioxide This invention relates to a process for the synthesis of diacyl peroxide by contacting acyl halide and peroxide complex in liquid or supercritical carbon dioxide....	05/28/2002
6187894	Perfluoropolyether acylperoxides and process for their preparation Perfluoroether acylperoxides having an average equivalent weight in the range of 350-5000, and of the following formulae: Y'--(CF2 --CF(CF3)O)m --(CX'FO)n --CF2 CO--O--O--CO--CF2 --(OCX'F)n...	02/13/2001
5962746	Process for preparing peroxides A process for the faster manufacturing of hydrocarbon, fluorocarbon and chlorocarbon acyl peroxides is disclosed wherein a hydroxide, a peroxide and an acyl halide are reacted under continuous vigorous agitation conditions so as to bring the reaction to s...	10/05/1999
5917008	Polytetrafluoroethylene dispersions in an organic solvent and dispersing agents employed therein Polytetrafluoroethylene (PTFE) dispersions in an organic solvent, comprising: (A) from 2 to 40% by weight of PTFE in powder form; (B) from 50 to 95% by weight of an organic solvent; (C) from 0.5 to 10% by weight of a dispersing agent of formula: (RH -L)	06/29/1999
5831131	Process for preparing peroxides A process for the faster manufacturing of hydrocarbon, fluorocarbon and chlorocarbon acyl peroxides is disclosed wherein a hydroxide, a peroxide and an acyl halide are reacted under continuous vigorous agitation conditions so as to bring the reaction to s...	11/03/1998
5814698	Polytetrafluoroethylene dispersions in an organic solvent and dispersing agents employed therein Polytetrafluoroethylene (PTFE) dispersions in an organic solvent, comprising: (A) from 2 to 40% by weight of PTFE in powder form; (B) from 50 to 95% by weight of an organic solvent; (C) from 0.5 to 10% by weight of a dispersing agent of formula: (RH --L)...	09/29/1998
5783789	Process for preparing peroxidic perfluoropolyethers Tetrafluoroethylene oxidation process comprising the step of oxidizing tetrafluoroethylene in solution at temperatures between -80° C. and -50° C. in the presence of ultraviolet radiation, oxygen and perfluoroethane (125) as solvent to obtain peroxidic ...	07/21/1998
5777291	Process for preparing peroxidic perfluoropolyethers Tetrafluoroethylene oxidation process at temperatures comprised between -80° C. and -40° C. in the presence of UV radiations and pentafluoropropane as solvent....	07/07/1998
5744651	Process for preparing peroxidic perfluoropolyoxyalkylenes Tetrafluoroethylene oxidation process at temperatures comprised between -100° C. and -40° C., in absence of Uv radiations, and by operating in the presence of a chemical initiator containing at least one F--X bond, wherein X is oxygen or halogen, in the...	04/28/1998
5354922	Perfluoropolyoxyalkylene endowed with a high viscosity and a low peroxide oxygen content, and process for preparing them Peroxy perfluoropolyoxyalkylenes are prepared with high yields by carrying out the photo-oxidation of tetrafluoroethylene with molecular oxygen, by means of ultraviolet radiations, operating in the presence of pentafluorochloroethane as a solvent for tetr...	10/11/1994
5350878	Fluorinated compounds containing hetero atoms and polymers thereof This invention provides 1) novel reactive fluorinated compounds derived from a specified class of telomers or cotelomers of fluoroolefins; and 2) stable products and stable polymers thereof obtained by reaction or polycondensation of the novel reactive fl...	09/27/1994
5220076	Perfluoropolyethers and processes for their preparation The invention relates to new peroxide perfluoropolyethers having formula: ##STR1## wherein: A and B are end groups, X represents a (R'O)m R" group where R' is selected from the class consisting of --CF2 --, --CF2 --CF...	06/15/1993
5149842	Process for preparing peroxide perfluoropolyethers A process is disclosed for preparing peroxidic perfluoropolyethers comprising perfluoroalkylenoxy units having at least two carbon atoms, characterized in that one or more perfluoroolefins, except tetrafluoroethylene used alone, are reacted with oxygen in...	09/22/1992
5051531	Antioxidant-peroxides The present invention relates to a novel antioxidant-peroxide compound of Structure A, (Y--[R--OO--X)x --An]y A in which the definitions of X, Y, R, An, x, and y are given in the Summary of the Invention section,...	09/24/1991
5043142	Alpha-hydroperoxyisopropylphenyl compounds and process for preparing the same ଱-Hydroperoxyisopropylphenyl compounds are useful as an organic hydroxyperoxide content in test compositions for the measurement of peroxide-active substances and are effectively utilized for detecting peroxide-active substances such as blood or hem...	08/27/1991
5021516	Poly(perfluoroether)acyl peroxides This invention concerns novel polymeric perfluoroether acyl peroxides and an improved process for making them....	06/04/1991
4952735	Novel perfluoropolyether and process for producing the same A novel perfluoropolyether containing 0.1 to 10% by weight of halogen atoms as bonded in the molecule is obtained by reacting tetrafluoroethylene with oxygen in a fluorinated solvent or a chlorofluorinated solvent under ultraviolet irradiation in the pres...	08/28/1990
4820588	Shaped articles of polyfluoropolyethers having pendant perfluoroalkoxy groups Normally liquid peroxidic poly(perfluorooxyalkylene) compositions comprising a mixture of peroxidic poly(perfluorooxyalkylene) compounds, derivatives of the poly(perfluorooxyalkylene) compositions comprising a mixture of non-peroxidic polyfluoropolyether ...	04/11/1989
4743300	Polyfluoropolyethers having pendant perfluoroalkoxy groups Normally liquid peroxidic poly(perfluorooxyalkylene) compositions comprising a mixture of peroxidic poly(perfluorooxyalkylene) compounds, derivatives of the poly(perfluorooxyalkylene) compositions comprising a mixture of non-peroxidic polyfluoropolyether ...	05/10/1988
4668357	Method of preparing perfluoropolyethers having regulated molecular weight from the product obtained by photochemical oxidation A method of preparing perfluoropolyethers having a regulated molecular weight starting from the product obtained by photochemical oxidation of C2 F4 and having a various content of oxygen peroxide, consisting in heat-treating the per...	05/26/1987
4654444	Fluorine-containing diacylperoxides and use thereof A novel fluorine-containing diacylperoxide of the formula: wherein R is a C1 -C10 hydrocarbon group or halogen-containing hydrocarbon group, and n is an integer of 0 to 3, which can initiate polymerization of an ethylenically unsaturated ...	03/31/1987
4307217	2-Chloro-2-alkyl substituted asymmetrical diacyl peroxides and polymerization process using same Dialkyl diacyl peroxides in which the alpha carbon atom of one of the alkyl groups is secondary and substituted by chloro and alkyl. The compounds are useful as polymerization initiators of ethylenically unsaturated monomers such as vinyl chloride....	12/22/1981
4151106	Process for the preparation of uniform, stable diacyl peroxide composition A process for the preparation of uniform, stable diacyl peroxide compositions is disclosed. The process comprises reacting the corresponding acyl chloride with hydrogen peroxide in an alkaline aqueous medium in the presence of a desensitizing agent....	04/24/1979
4145505	Cross-linkable organopolysiloxane compositions and a process for cross-linking organopolysiloxanes Cross-linkable organopolysiloxane compositions are disclosed, consisting essentially of an organopolysiloxane and bis(o-chlorobenzoyl)peroxide....	03/20/1979
4133835	Process for bi-organic peroxides An aliphatic or cycloaliphatic hydroperoxide, an olefin such as a 1-aromatic-1-substituted ethylene and a halide corresponding to the ethylene are reacted under essentially anhydrous conditions, in the absence of a free acid, at a temperature below the de...	01/09/1979
4088699	Production of aralkyl tertiary hydroperoxides A portion of a stream obtained by the oxidation of an aryl tertiary alkane and containing primarily aralkyl tertiary monohydroperoxide, substantial amounts of aryl tertiary alkane, smaller amounts of keto aryl tertiary alkanols, aralkyl tertiary dialkanol...	05/09/1978
4032605	Alpha-halo substituted diacyl peroxides Asymmetrical organic diacyl peroxide polymerization initiators having enhanced initiator efficiency and characterized by the presence of an acyclic acyl group of four or more carbon atoms having bromo or halo substitution at the alpha carbon atom, the oth...	06/28/1977
3956319	Organic peroxides derived from unsaturated compounds New organic peroxides having the formula ##EQU1## may be prepared by reacting a monohydroperoxide selected from R5 OOH and R6 OOH with an unsaturated carbonyl compound having the formula ##EQU2## the reaction being carried ...	05/11/1976
3936506	Preparation of unsymmetrical halogen-substituted diacyl peroxides Unsymmetrical halogen-substituted diacyl peroxides have been prepared either by rapidly adding an ଱-halogen-substituted aliphatic acyl halide and a hydrocarbon solvent to an aqueous solution of an alkali metal peroxide followed by portion-wise addit...	02/03/1976

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Class 568/560 - Halogen containing