| Document |
Document Title |
|
WO/2003/082785A1 |
A process for production of bisphenol A which comprises subjecting a phenolic slurry (1) of bisphenol A wherein an adduct of bisphenol A with phenol is contained in a crystalline state to filtration to form a layer of the crystalline add...
|
|
WO/2003/082787A1 |
Compounds of Formula (IA) and Formula (IB) wherein R1, R2, R3, R4, R5, and R6 are as defined herein for Formula (IA) or Formula (IB), or a tautomer, prodrug, solvate,or salt thereof; pharmaceutical compositions containing such compounds,...
|
|
WO/2003/077894A1 |
The present invention relates to the synthesis of fluorinated forms of alkyl phenol compounds and their subsequent use as pharmaceutical agents. More specifically, alkyl phenol compounds are fluorinated to increase compound volatility su...
|
|
WO/2003/076381A1 |
This invention refers to a process for the synthesis of cumene hydroperoxide and to the product thus obtained. More in particular, this invention refers to a process for the production of cumene hydroperoxide by oxidating cumene with oxy...
|
|
WO/2003/076378A1 |
A process for producing crystals of a solid adduct of bisphenol A with phenol and/or substantially pure crystals of bisphenol A. The process is characterized in that phenol is reacted with acetone in the presence of a catalyst and two or...
|
|
WO/2003/076376A2 |
This invention refers to a process for the synthesis of phenol and acetone starting from cumene hydroperoxide, and to a plant specifically developed for performing this process. More in particular, this invention refers to a process for ...
|
|
WO/2003/076377A1 |
A process for separating sulfonic acid compounds from a phenolic solvent is provided by contacting the phenolic solvent with a hydrotalcite−type material (HTM). The process can be applied in the conventional industrial process for conv...
|
|
WO/2003/074457A1 |
A method for producing bisphenol includes introducing a phenol and a ketone into a fixed, supported catalytic bed (14) reactor (10) system (50) in a downflow mode, reacting the phenol and the ketone to form a reaction mixture, and recove...
|
|
WO/2003/068713A1 |
The invention relates to a method for production of a liquid composition of an ortho-dihydroxybenzyl compound of high purity and said composition. More particularly The invention relates to the production of a liquid composition of pyroc...
|
|
WO/2003/066555A1 |
The specification provides a method for producing p-cumylphenol phenol by reacting phenol with &agr -methylstyrene in the presence of a highly efficient heterogeneous aluminum zirconium catalyst.
|
|
WO/2003/066554A1 |
The goal of this invention is to produce phenol of high purity by conversion of impurities that are present in the starting phenol, which is produced by the decomposition of cumyl hydroperoxide. The indicated goal is achieved by purifyin...
|
|
WO/2003/064358A1 |
Fluorenone is condensed with a phenol [e.g., 2−(C1−4 alkyl)phenol] in the presence of both of a thiol and an aqueous hydrochloric acid solution to produce a fluorene derivative &lcub e.g., 9,9−bis[(C1−4 alkyl)hydroxyphenyl]fluore...
|
|
WO/2003/062443A2 |
The present invention includes compounds, methods of making the compounds, compositions including the compounds and/or use of the compounds and compositions, wherein the compounds of the following formulas: (I) or (II) or (III).
|
|
WO/2003/062143A1 |
The present invention relates to a non-hazardous brominating reagent from an aqueous alkaline bromine byproduct solution obtained from bromine recovery plant and containing 25 to 35 % bromine dissolved in aqueous lime or sodium hydroxide...
|
|
WO/2003/055601A1 |
A catalyst for bisphenol compound production which has high activity and has resistance to heavy ingredients and alcohols; and a process for producing a bisphenol compound with the catalyst. The catalyst is obtained by modifying a sulfon...
|
|
WO/2003/055603A1 |
The invention relates to a method for separating and recycling catalyst components of a chemical reaction mixture involving oxidative direct carbonylation.
|
|
WO/2003/055602A1 |
The invention relates to a method for separating and recycling catalyst components from a chemical reaction mixture. Said method is characterised in that it comprises at least one extraction step.
|
|
WO/2003/055849A1 |
The invention relates to a method for the production of solutions a quaternary cation and an anion from a deprotonated hydroxy aromatic in an organic solvent by a reactive extraction of a quaternary salt in the presence of an aqueous hyd...
|
|
WO/2003/053892A1 |
Process for preparing alkylated aromatic compounds which comprises reacting an aromatic compound with a ketone and hydrogen in the presence of a catalytic composition comprising a solid acid material and copper. A preferred aspect is to ...
|
|
WO/2003/048094A1 |
A system for purifying a cumene hydroperoxide cleavage product mixture comprises a cumene hydroperoxide cleavage product mixture feed (16) containing impurities in fluid communication with an aqueous alkaline solution feed (18); the cume...
|
|
WO/2003/045883A1 |
A process for making a compound of Formula (I) by oxidative coupling of a compound of the formula (II) in the presence of a molecular oxygen-containing gas and a copper-containing catalyst produced by contacting a copper halide salt with...
|
|
WO/2003/045882A1 |
A system for purifying a cumene hydroperoxide cleavage product mixture comprises a cumene hydroperoxide cleavage product mixture feed (16) containing impurities in fluid communication with an aqueous alkaline solution feed (18); the cume...
|
|
WO/2003/046049A1 |
A polymeric, phosphorus-containing composition derived from aryl to aryl coupling of a substituted 2,2'-dihydroxyl-1,1'-binaphthalene or a substituted 2,2'-dihydroxyl-1,1'-biphenylene and phosphonylated at the dioxyl of said structure wi...
|
|
WO/2003/045885A1 |
The compositions 3-alkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphthol and 3,3'-dialkylated-5,5',6,6',7,7',8,8'-octahydro-2,2'-binaphth
ol are disclosed, as well as various processes for making them, all involving the alkylation of 5...
|
|
WO/2003/045884A1 |
A process for making a compound of the formula (I).
|
|
WO/2003/043960A2 |
A purification method is disclosed for a predetermined water-insoluble extractant present in a liquid phase composition that additionally contains one or more additional extractants, synthesis reaction starting materials, and reaction by...
|
|
WO/2003/043964A1 |
In a process for producing bisphenol A which comprises the reaction step, the step of removing low−boiling components, the concentration step, the crystallization&sol solid−liquid separation step, the heat melting step, the phenol−...
|
|
WO/2003/043965A1 |
The invention relates to a method for producing o-alkylphenols by reacting phenol with an alkanol at an elevated temperature in the gaseous phase and in the presence of a metal oxide catalyst, whereby the reaction is carried out in at le...
|
|
WO/2003/042146A1 |
A process is described for preparing hydroxylated aromatic compounds by means of the direct oxidation of an aromatic substrate with hydrogen peroxide in a triphasic reaction system, in the presence of a TS-1 zeolitic catalyst.
|
|
WO/2003/039729A1 |
A process for preparing particles of a substance comprising contacting a first formulation including a first substance with a first solvent stream and a second solvent stream, thereby causing formation of particles of the first substance...
|
|
WO/2003/035592A1 |
A method of depolymerizing an aromatic polycarbonate which comprises reacting the aromatic polycarbonate with water, a C1−6 aliphatic alcohol, or a phenol optionally substituted by a C1−10 hydrocarbon group in a supercritical carbon ...
|
|
WO/2003/035733A1 |
The present invention relates to a process for improving the shelf life of a hindered phenol antioxidant comprising the step of intimately mixing the hindered phenol antioxidant with a sulfur-containing peroxide decomposer. The inventors...
|
|
WO/2003/031057A1 |
A metal oxide catalyst precursor composition comprises a pore former and a catalyst reagent.
|
|
WO/2003/026632A2 |
The invention provides substituted phenol compounds and pharmaceutical compositions containing substituted phenol compounds which are useful for inducing or maintaining anesthesia or sedation in a mammal. This invention also provides met...
|
|
WO/2003/024592A2 |
One aspect of the invention relates to catalyst composite containing a metal catalyst and a specifically defined carbon support containing a carbonaceous material. For example, the carbon support may have a total pore surface area of abo...
|
|
WO/2003/024908A1 |
Low-particulate dihydric aromatic compounds such as bisphenol A that can be used in the synthesis of low-particulate polycarbonates are prepared by introducing into a desorber column containing a non-aggregate packing material an adduct ...
|
|
WO/2003/014049A1 |
A method for producing bisphenol−A through the continuous feed of phenol and acetone to a reaction unit having at least two reaction regions, wherein an acidic cation exchange resin in which 15 to 50 % of the acid points in the resin i...
|
|
WO/2003/013749A1 |
The invention provides a process for the removal of one or more chlorinated phenols, such as pentachlorophenol (PCP) or tetra chlorophenol (TCP), from a solid matrix, such as soil. The process includes contacting the solid matrix at a pH...
|
|
WO/2003/014050A1 |
A 2,6−dimethylphenol composition which has an m−cresol content of 15 to 700 ppm by weight. It has significantly improved activity in polymerization and, in particular, has the remarkable effect of improving the color tone of polyphen...
|
|
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...
|
|
WO/2003/005960A2 |
Novel bicyclic-cannabinoids and hexahydrocannabinol analogs are presented. These compounds, when administered in a therapeutically effective amount to an individual or animal, results in a sufficiently high level of that compound in the ...
|
|
WO/2003/006406A1 |
Industrial applications of nitrous oxide, e.g. the hydroxylation of benzene to phenol, require large quantities of nitrous oxide having a very low impurity content.According to the invention, nitrous oxide which is obtained by reaction o...
|
|
WO/2003/002499A1 |
A process for the manufacture of a hydroxy-substituted organic compound comprising decomposing an organic hydroperoxide, preferably a compound of the formula Ar-C(CH¿3?)¿2?O¿2?H, wherein Ar is a substituted or unsubstituted mononuclea...
|
|
WO/2003/000633A2 |
The components of cigarette smoke, known until now, do not explain the overwhelming hazardous effects of smoking; this invention describes the isolation, identification and procedures for determination of the structure, properties and as...
|
|
WO/2002/103349A1 |
A separatory agent for optical isomers which has the high optical resolving ability inherent in polysaccharide derivatives, has solvent resistance, and has high solubility in a reaction solvent and satisfactory filterability, i.e., is ad...
|
|
WO/2002/102751A2 |
A process for removing methylbenzofuran from phenol comprissing: - treating the phenol stream to reduce the level of acetol, - passing the phenol stream through a fixed bed of strong acid aromatic sulfonic acid resin, - distilling the ph...
|
|
WO/2002/098830A1 |
The present invention relates to a method for isolating of phenolic sunstances or juvabiones from wood comprising knotwood, said method comprising the steps of a) extracting i) the over-sized chip fraction obtained by screening chipped w...
|
|
WO/2002/096847A1 |
The present invention relates to a process for preparing bisphenols which comprises reacting a carbonyl compound containing at least two carbon atoms with an aromatic compound, containing a hydroxyl group and at least one hydrogen atom b...
|
|
WO/2002/092546A1 |
A method of preparing cumylphenol comprises reacting phenol and alpha-methylstyrene in the presence of an acid catalyst and an alkylbenzene. The method provides an inexpensive, selective process to cumylphenol.
|
|
WO/2002/090303A1 |
A method for determining the quantity of phenol extracted into an aqueous solution of an alkali metal hydroxide uses a measurement of the pH of the solution, from which the equivalents of phenol relative to alkali metal hydroxide in solu...
|
