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7846221 Method for treating of oils and fats  
A method for treatment of oils and fats having a high saturated fatty acid content whose treatment has previously been difficult, especially waste oils and fats and discharged oils and fats,...
7667011 Method for the use of [11C] carbon monoxide in labeling synthesis of 11C-labelled acids by photo-induced free radical carbonylation  
Methods and reagents for photo-initiated carbonylation with carbon-isotope labeled carbon monoxide using alkyl/aryl iodides with water pretreated by a base are provided. The resultant...
7524966 Method for preparing ladderanes  
Ditopic molecules in the form of linear reaction templates have been used to construct ladder-like hydrocarbons known as [n]-ladderanes (n=3,5). The templates assemble and position reactant...
7262256 Polycarboxylic acid mixture  
A polycarboxylic acid mixture comprising 80% by weight or more of 1,3,6-hexanetricarboxylic acid, wherein the polycarboxylic acid mixture has a psychometric lightness L-value of 98 or more, a...
7122642 Method for producing crystal polymorphs and crystal polymorphs produced thereby  
A method to prepare new or unexpected polymorphs of materials which have not been observed, or to obtain a known polymorph under different conditions than those in which it is usually made, by...
6759521 Polarization switching to control crystal form  
A method to select and prepare polymorphs of materials by switching the polarization state of light employing non-photochemical laser-induced nucleation.
6596838 Separation method and device with semi-permeable membranes comprising sulphonated polyimides  
The invention relates to a semi-permeable membrane separation process and device in which the said membranes comprise sulphonated polyimides. The present invention also relates to the use of...
6426406 Method for using laser light to control crystal form  
A method to prepare new or unexpected polymorphs of materials which have not been observed, or to obtain a known polymorph under different conditions than those in which it is usually made, by...
6175037 Process for the preparation of (meth)acrylate esters and polyester (meth)acrylates using microwave energy as a heating source  
An improved process for preparing acrylate esters, methacrylate esters, polyester acrylates or polyester methacrylates by reacting acrylic or methacrylic acid with a monohydroxy containing compound...
5919341 Difluorochloracetyl, dichloracetyl and trichloracetyl chloride preparation  
A process for preparing chlorodifluoroacetyl chloride from 1,1-difluoro-2,2-dichloroethylene and dichloroacetyl chloride from trichloroethylene or 1,1,2,2-tetrachloroethane, in which the starting...
5814193 Process for the purification of a C2 to C4 carboxylic acid and/or anhydride having halide impurities  
A process for the purification of a C2 to C4 carboxylic acid and/or an anhydride thereof having halide impurities, which process comprises the steps of (a) exposing the impure acid and/or anhydride...
5708246 Method of photocatalytic conversion of C-H organics  
The present invention is the addition of a semiconductor material and energy to the reaction mixture of organic, acid (for example, trifluoroacetate), and oxygen. A transition metal ion may be...
5663543 Method for producing a polyfluoropropionyl halide  
A method for producing a polyfluoropropionyl halide, which is characterized by oxidizing at least one dichloropentafluoropropane selected from 3,3-dichloro-1,1,1,2,2-pentafluoropropane and...
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...
5545298 Process for preparing polyfluorocarboxylic acid chlorides and perfluorocarboxylic acid chlorides  
A process for preparing compounds corresponding to the formula RCFXC(O)Cl, in which X is fluorine or chlorine and R is fluorine or a perfluorinated C1- C10-alkyl group, preferably...
5449801 Reactive distillation process for free radical halogenation  
A process for the selective high yield halogenation R--CH3 wherein R is ##STR1## Si(Cl)m (CH3)n, wherein m is 1 to 3, n is 1 to 3 and m+n is 3; phenyl; or phenyl substituted with Cl, Br, F, OR1,...
5378333 Halogenated polycarboxycubanes  
The disclosure describes photochemical synthesis of halogenated polycarboxycubanes from simple carboxycubanes and an oxalyl halide. It is possible to synthesize...
5356936 Process for producing hydrophilic polymer membranes  
Hydrophilicity of hydrophilic polymers, in the form of heat-crosslinked cings on porous membranes, is increased by exposure to an oxygen plasma, preferably for about 60 seconds. The plasma is...
5259938 Process for omega-halo-perfluoro acid chlorides  
A liquid phase process for preparing ω-haloperfluoroacid chlorides by the photo oxidation of polyfluoroalkyl mono- and di-chloromethanes in the presence of chlorine using light wavelengths greater ...
5233075 Process for the preparation of aromatic carboxylic acid esters  
A process comprising preparing an aromatic carboxylic ester and an alkyl iodide by carboxylating an aromatic iodide in the presence of an alkylating agent and a catalytic amount of a transition...
5153352 Process for preparation of intermediates of carbocyclic nucleoside analogs  
A compound of the formula: ##STR1## wherein A is a purin-9-yl group, a heterocyclic isostere of a purin-9-yl group, a pyrimidin-1-yl group or a heterocyclic isostere of a pyrimidin-1-yl group; E is...
5120412 Preparation of hypericin  
A process for preparing hypericin comprises oxidative dimerization of emodin anthrone and conversion of the intermediate protohypericin to hypericin by irradiation with visible light.
4976834 Asymmetric photochemical reaction process  
An optically active substance having an optical purity of at least 50% e.e. is obtained by an asymmetric photochemical reaction by converting a starting, achiral material in a chiral crystalline...
4906343 Process for the photochemical production of α-aryl propionic acid  
The invention resides in a novel photochemical process for the production of α-aryl propionic acids by the subjection of a solution in an organic solvent of the corresponding α-haloaryl alkyl k...
4900413 Process for direct carbonylation of hydrocarbons  
A process is disclosed, for the manufacture of carbonylated products and/or olefins by reacting hydrocarbons with carbon monoxide in the presence of a transition metal complex, under irradiation...
4898655 Method for racemization of optically active chrysanthemic acid or its derivatives  
Optically active chrysanthemic acid or its derivatives of the formula ##STR1## (wherein X represents a hydroxyl group, a halogen atom, a C1-20 alkoxy group or a...
4877501 Process for fabrication of lipid microstructures  
Method and process for forming selected microstructures having predetermined shape and dimension from surfactants comprising the steps of: selecting a lipid which self aggregates into a...
4874488 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes  
The space-time yield and/or the selectivity of the photochemical dimerization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and primary, secondary and tertiary silanes with...
4855025 Polyfluoro compounds and method for preparing them  
This invention relates to compounds which simultaneously contain a perfluorinated chain and a hydrogenated chain and which correspond to the general formula: ##STR1## in which RF is a...
4849076 Continuous oxidation method  
A method for oxidizing a substrate which is oxidizable by singlet oxygen is discolded. The first step of the method comprises establishing a flow to and from each of a plurality of successive...
4845265 Polyfunctional vinyl ether terminated ester oligomers  
There are described vinyl ether terminated ester oligomers which cure or polymerize particularly rapidly, especially by cationic polymerization which is radiation induced in the presence of an...
4839008 Homogeneous catalytic photochemical functionalization of alkanes by polyoxometalates  
A method for functionalizing alkanes, which comprises: (a) combining one or a mixture of alkanes with a photochemically active polyoxometalate compound to obtain a reaction medium; (b) allowing...
4792632 Bisacylphosphine oxides, the preparation and use thereof  
Bisacylphosphine oxides of the general formula ##STR1## wherein R1 stands, for example, for a straight-chain or branched C1-18 alkyl radical, a cyclohexyl, cyclopentyl, phenyl, naphthyl, or...
4668356 Photolytic process for the formation of carbon-containing free radicals and its applications to free radical polymerization in particular  
Process for the formation of carbon-containing free radicals R., which optionally include functional groups, wherein thermal and/or photochemical energy is supplied to a thiocarbonyl-containing...
4595470 Process for the preparation of benzene polycarboxylic acids  
A benzene polycarboxylic acid represented by the formula: ##STR1## wherein n is an integer of 2 or 3, can be obtained under mild conditions with a high yield and with scarce formation of by-product...
4478699 Photosynthetic solar energy collector and process for its use  
A device for the photosynthetic reduction of carbon dioxide and water by sunlight to formic acid, formaldehyde and methanol in the presence of semiconducting photoactive materials. Using preferred...
4466870 Organic sonochemistry process  
The method of causing or promoting chemical changes involving the step of subjecting reactants to ultrasonic energy as a key treatment step, including methods of: (1) reducing aryl halides by...
4451342 Light driven photocatalytic process  
A method for the light driven photocatalytic reduction of carbon dioxide or the bicarbonate ion to one or more compounds which comprises contacting certain metal compounds with the carbon dioxide...
4381978 Photoelectrochemical system and a method of using the same  
A photoelectrochemical system for conducting endoergic chemical processes driven by light energy. This system consists essentially of an illuminated halfcell and a darkened halfcell joined via...
4371701 Adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins  
Disclosed are adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins and preparation thereof by reacting an olefinically unsaturated compound and 1-cyclohexene-1,2-dicarboxylic anhydride...
4338170 Isomerization of β-γ-unsaturated alcohol or its ester  
A cis-trans isomerization of a cis-β-γ-unsaturated alcohol or its ester having the formula ##STR1## wherein R1 represents hydrogen atom or a C1 -C5 alkyl group; X represents hydrogen atom or #...
4257858 Photochemical method for producing biocidal 2-aryl-1,3-cyclohexanedione compounds  
2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.
4233129 Process of preparation of alkyl esters of dl cis chrysanthemic acid  
A process for the production of an alkyl ester of dl cis chrysanthemic acid having the formula ##STR1## wherein R is an alkyl having from 1 to 6 carbon atoms, involving preparing a lithiated...
4219392 Photosynthetic process  
A process for the conversion of carbon dioxide or the bicarbonate ion into useful organic compounds, such as formic acid, formaldehyde and methanol, which comprises carrying out the reduction in a...
4188274 Process for trifluoromethylation of aromatic and heterocyclic compounds  
A decarboxylation process for coupling aromatic compounds wherein cyclic hydrocarbons and heterocyclic compounds having at least one labile ring hydrogen are reacted with the mono silver salts of...
4152230 Photooxidation process  
A photochemically initiated oxidation process for organic materials using only catalytic quantities of the photochemical agent by conducting the reaction in the presence of a compound of a variable...
4123219 Chemical storage of radiant energy  
A method for the chemical storage of radiant energy in which substituted naphthalenes undergo photochemical dimerization by exposure to radiant energy to form...
4105520 Method for producing adipic acid and precursors thereof  
A method for producing adipic acid and precursor thereof which comprises oxidizing cyclohexane with nitrogen dioxide under irradiation of visible ray or ultraviolet ray in the presence of oxygen is...
4087342 Method of simultaneously carrying out plurality of photochemical reactions  
A photochemical reaction system is provided in which a single polychromatic light source is used to simultaneously irradiate a plurality of photochemical reactions with different regions of the...
3953498 Diesters and diacids of phenanthrene  
Novel 1,8-, 2,7-, 3,6- and 2,5-diesters and diacids of phenanthrene.
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