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WO/2003/057682A1 |
A process for production of propylene oxide which comprises the oxidation step of oxidizing cumene into cumene hydroperoxide, the epoxidation step of reacting a cumene solution containing cumeme hydroperoxide with an excess of propylene ...
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WO/2003/051829A1 |
A method of purifying a liquid oxidation reaction mixture containing cumene hydroperoxide and resulting from the oxidation of cumene, which comprises the following steps. First step: a step in which an aqueous alkali solution (2) and all...
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WO/2003/037858A1 |
The invention relates to a method and an arrangmement in which a percarboxylic acid product is prepared and used. Conventional methods include refrigerated transport and double storage of the percarboxylic acid product before the consump...
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WO/2003/031051A1 |
The invention concerns a reactor (1) for oxidizing reaction of a liquid with a gas containing oxygen divided into stages (14) by separating plates (10). The means (5-8) feeding the reactor (1) with compound to be oxidized (E1) and oxidiz...
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WO/2003/029207A1 |
A production process in which t−butyl alcohol is reacted with t−butyl hydroperoxide in the presence of a ß−form zeolite solid acid catalyst having an SiO2&sol Al2O3 molar ratio of from 30 to 280. By the process, di−t−butyl per...
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WO/2003/024925A1 |
Process for preparing organic hydroperoxides, which process comprises: (a) oxidation of an organic compound to obtain reaction product containing organic hydroperoxide; (b) contacting at least part of the organic hydroperoxide containing...
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WO/2003/014074A1 |
The invention relates to method for the production of hydroperoxides of ethylbenzole by catalytic oxidation and to the use thereof for the oxidation of olefins. A compound of formula (I) is used as an oxidation catalyst, wherein R?1¿, R...
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WO/2003/011801A2 |
Process for the preparation of isopropanol, wherein a benzene-contaminated feed of acetone is hydrogenated to obtain isopropanol and hydrogenation products of benzene. Combination of such a process with a process for the preparation of p...
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WO/2003/011820A1 |
A method for manufacturing cumene hydroperoxide comprises reacting cumene and oxygen in the presence of a water phase comprising aqueous ammonia, and in the absence of an additive comprising an alkali or alkaline earth metal, to form cum...
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WO/2003/005818A1 |
The present invention relates to $i(in situ) compositions of mono- or diester dicarboxylates, methods employing these $i(in situ) compositions, and methods of making these $i(in situ) compositions. More particularly, the invention relate...
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WO/2003/000655A1 |
This invention relates to peroxyketals derived from cyclic_-keto esters and use of the same in the curing of resins, such as unsaturated polyester resins. The new peroxyketals were synthesized via an acid catalyzed reaction of cyclic_-ke...
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WO/2002/098924A2 |
Methods of making compositions including fluorinated peroxides are disclosed. The compositions are useful, for example, for reacting with organic compounds. In one embodiment, novel peroxides are provided.
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WO/2002/092561A1 |
The invention concerns a heat stabiliser of organic peroxides characterised in that it contains at least a nitroxyl radical in its molecule. The invention also concerns a storage-stable and heat-stable organic peroxide composition, the m...
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WO/2002/088076A2 |
The present invention relates to stabilized compositions of an ester peroxycarboxylic acid, methods employing these stabilized compositions, and methods of making these compositions. Typically, the stabilized compositions also include a ...
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WO/2002/076936A1 |
The invention relates to an aqueous organic peroxide emulsion comprising an anti-freeze agent, a protective colloid, and a plasticiser wherein the plasticiser is an ester having a ratio of the number of carbon atoms present in the plasti...
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WO/2002/064555A1 |
The invention relates to a peroxyester preparation method that can be used, in particular, in polymerisations, such as vinyl chloride polymerisation, or in the thermosetting of polyester resins. Said method comprises the reaction of a hy...
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WO/2002/053531A2 |
Methyl propyl ketone peroxide formulations are claimed that can be safely handled at ambient temperature, are storage stable, and give fast curing rates of unsaturated polyester resins particularly when accelerated with a complex of two ...
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WO/2002/051879A1 |
The invention relates to peroxide compositions comprising a reactive diluent for the peroxide, wherein the diluent is either a component containing one or more vinyl ether group(s) and having a monomeric structure according to formula 1,...
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WO/2002/051802A1 |
The invention relates to a method to safely produce, handle and transport packaged organic peroxide formulations comprising a reactive phlegmatiser and to the use of such packaged material in polymerisation and polymer modification proce...
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WO/2002/051801A1 |
Process for preparing organic hydroperoxide having a reduced content of contaminants, which process comprises: (a) oxidation of an organic compound to obtain reaction product containing an organic hydroperoxide, (b) contacting at least p...
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WO2000073267A9 |
The process of preparing geminal dihydroperoxy alkyl peroxides and 1,1-dihydroperoxydialkyl peroxides, which comprises reacting an aqueous composition comprising a ketone with hydrogen peroxide in the presence of a heteropolyacid.
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WO/2002/038538A1 |
A process of reacting a cycloalkane with oxygen in the presence of a catalyst comprising an imido compound having an N-hydroxy (or N-oxo) cyclic imide skeleton to thereby obtain the corresponding bis(1-hydroxycycloalkyl) peroxide. The im...
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WO/2002/026459A1 |
The invention relates to a method for the continuous production of a mixture of substances or a reaction mixture formed by the reaction of components contained therein. The component fluxes drawn from a storage container (1, 2 or 3) or a...
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WO/2002/022570A2 |
The present invention provides for the use of water, rather than cumene, as a more environmentally acceptable diluent for purified cumene hydroperoxide (CHP) solutions. From 1 to about 6 weight percent water can be used to dilute purifie...
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WO/2002/016538A1 |
The invention provides a method of treatment of a material, comprising contacting said material with a percarbamic acid and/or diacyl percarbamate. Preferably the percarbamic acid has formula (I), where R represents an optionally substit...
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WO/2002/014379A1 |
The invention relates to a polymerisation process wherein at least one initiator is selected from trioxepan compounds of formula I, with R?1-3¿ being independently selected from substituted or unsubstituted hydrocarbyl groups. Preferabl...
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WO/2001/074742A2 |
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: R?1¿ and R?2¿ represent H, an aliphatic or aromatic alkoxy radical, carb...
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WO/2001/074767A1 |
The invention relates to a method for the production of phenol derivatives by performing catalytic oxidation of an aromatic hydrocarbon to obtain a hydroperoxide and subsequently cleaving the hydroperoxide into a phenol derivative and a ...
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WO/2001/070710A1 |
A process for producing propylene oxide, characterized in that it comprises the following steps and the concentration of water in the isopropylbenzene hydroperoxide solution to be subjected to the epoxidization step is 1 wt.% or lower. O...
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WO/2001/062696A1 |
The invention pertains to a process for the preparation of glyceraldehyde, or an acetal or a hemiacetal thereof, characterized in that 3-butene-1,2-diol is dissolved in a lower alkanol and is subjected to ozonolysis to obtain a 3-hydrope...
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WO/2001/046309A1 |
The invention relates to curing process wherein specific unsaturated diacylperoxides and/or unsaturated acylperoxycarbonates are used. These peroxides were found to be pre-eminently suited to the curing of silicone rubbers and polyester ...
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WO/2001/044176A1 |
The invention relates to a method for producing a peroxyacetic acid or peroxypropionic acid solution by reacting acetic acid or propionic acid with hydrogen peroxide in the presence of a polyphosphoric acid catalyst. The catalyst used in...
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WO/2001/044153A1 |
The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the prese...
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WO/2001/042206A1 |
A process for production of a t-alkyl peroxide compound includes the steps of: a) reacting a selected amount of a n-alkyl t-alkyl ether with a reactant mixture comprising an acid catalyst and a compound of the formule RO¿2?H where R is ...
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WO/2001/034564A1 |
A crosslinking agent comprising an asymmetric organic peroxide having at least one (substituted) benzoylperoxycarbonyloxy group represented by formula (1) as a structural unit per molecule. The crosslinking agent does not adversely influ...
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WO/2001/032613A1 |
A process for producing peroxydicarbonates comprising first reacting at least one inorganic peroxide with at least one alkali metal hydroxide to form at least one alkali metal peroxide. The at lest one alkali metal peroxide is added to a...
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WO/2001/027078A1 |
The invention relates to a process for the preparation of a peracid, perester or diacylperoxide and is characterized in that a mixed anhydride of formula: R?1¿[C(O)OC(O)OR?2¿]¿n? or [R?3¿C(O)OC(O)O]¿p?R?4¿ is contacted with a hydro...
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WO/2001/021575A1 |
The present invention relates to compounds of the general formula: NO¿2?-A-B wherein A is a saturated or unsaturated hydrocarbon chain of 14-26 carbon atoms and B is (CH¿2?)¿n?(COOH)¿m? in which n is an integer from 0 to 2 and m is a...
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WO/2001/021172A1 |
The present invention relates to pharmaceutical compositions comprising, as an anti-cancer agent: (a) one or more compounds having the formula NO¿2?-A-B, wherein A is a saturated or unsaturated hydrocarbon chain of 14-26 double bonds, a...
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WO/2001/016100A1 |
Diacyl peroxides having the structure (I): R¿1? CXX'(CYY')¿e?CF¿2?(C=O)OO(C=O)CF¿2?CWW'(CZZ')¿e?R¿f?, wherein e and e' are independently 0 or 1; and when e=0, at least one of X, X' is H and any of the other X, X' is H or F; when e'...
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WO/2001/010215A1 |
An electrolysis unit (10, 210, 310) has an anode (16, 216, 316) and a gas diffusion cathode (18, 218, 318). Air is fed to the cathode (18, 218) to generate peroxide species, such as hydrogen peroxide, peroxide ions, or peroxide radicals ...
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WO/2001/009043A1 |
The invention relates to a method for doping a liquid medium with a dopant which is formed in situ out of at least two reaction constituents, and relates to a device provided for carrying out said method. According to the invention, the ...
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WO/2001/004323A2 |
The invention relates to a method for producing a plant lipoxygenase with modified positional specificity toward arachidonic acid and to its utilization for hydroperoxydation of arachidonic acid. The inventive LOX makes it possible to pr...
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WO/2001/000322A1 |
The invention relates to a photocatalyst which includes a photocatalytically active constituent which is immobilized on an ion-exchange resin. The photocatalytically active constituent is selected from compounds of formula (I) and (II) a...
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WO/2000/078699A1 |
The invention provides a solid composite material comprising a matrix formed from a particulate or fibrous material and a cured thermosetting resin, wherein the cured thermosetting resin is derived from an oxidative cleavage product sele...
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WO/2000/076963A1 |
The invention concerns compound HO-(CH¿2?)¿5?-COOOH or 6-hydroxypercaproic acid, its preparation process, i.a. from $g(e)-caprolactone, aqueous compositions thereof and their use as disinfectant or bleaching agents.
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WO/2000/073268A1 |
The process of preparing peroxyketals which comprises reacting a composition comprising ketone with hydroperoxide in the presence of heteropolyacid.
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WO/2000/068192A2 |
The invention relates to a process to make (di)alkylperoxy esters of (di)carboxylic acids by reacting a (di)carboxylic acid (di)vinyl ester with an alkylhydroperoxide. Preferably, a base catalyst is used, while the use of a phase transfe...
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WO/2000/064842A1 |
The invention relates to a method for oxidizing organic substrate by using ?1¿O¿2?. According to the inventive method, organic substrates that react with ?1¿O¿2? are mixed with 30-70 % H¿2?O¿2? in water, in an organic solvent or in...
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WO/2000/061524A1 |
The invention relates to a method for oxidizing organic substrates using ?1¿O¿2? in which hydrophobic organic substrates that react with ?1¿O¿2 are added to an organic solvent in the presence of a heterogeneous or homogeneous catalys...
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