| Document |
Document Title |
|
WO/2006/125114A1 |
A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. T...
|
|
WO/2006/125113A2 |
A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. T...
|
|
WO/2006/125108A1 |
This invention relates to compositions containing a carboxylic acid as main component and carboxybenzaldehyde isomers and/or toluic acid isomers as further components. Moreover, the composition contains at least two different compounds s...
|
|
WO/2006/125158A2 |
A process is provided for producing an enriched carboxylic acid compositions produced by contacting composition comprising a carboxylic acid with an enrichment feed in an enrichment zone to form an enriched carboxylic acid composition. T...
|
|
WO/2006/119939A1 |
Trimellitic acid is produced by oxidation of pseudocumene in acetic acid at temperatures between 130 and 240 °C in the presence of a catalyst composition containing cobalt, manganese and bromine. The process comprises the stages of: (i)...
|
|
WO/2006/117383A1 |
Rylene derivatives are disclosed having the general formula (I), in which the variables have the meanings indicated in the claims. These compounds are used as pigments and I.R. dyes.
|
|
WO/2006/112426A1 |
A process for producing a biphenyltetracarboxylic acid, comprising dimerizing a bromophthalic acid salt in the presence of not only at least one reducing agent selected from the group consisting of sugars and C≥2 aliphatic monoalcohols...
|
|
WO/2006/109661A1 |
A process for producing 2,3,4-trifluoro-5-(iodo or bromo)benzoic acid, the process comprising a haloganation step in which 2,3,4-trifluorobenzoic acid is iodinated or brominated directly with an iodinating agent or brominating agent in a...
|
|
WO/2006/103989A1 |
It is intended to provide a method for efficiently obtaining a desired compound with high purity by easily removing an impurity derived from a catalyst from a reaction product obtained by using a compound having a dicarboxyimide skeleton...
|
|
WO/2006/103693A1 |
The present invention provides a process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene using oxygen or air as oxidant in the presence of p-toluic acid, water as solvent and cobalt salt or its combinations wit...
|
|
WO/2006/100225A2 |
Benzoic acid ester compounds of formula (I) wherein R and R1-R5 have the meanings explained in the description, methods for producing them and use thereof in cosmetic, pharmaceutical, personal care and industrial preparations as sunscree...
|
|
WO/2006/100969A1 |
A process for producing high-purity terephthalic acid in which the p-toluic acid contained in wastewater which has conventionally been discarded is recovered selectively and utilized as a material for terephthalic acid. The process for h...
|
|
WO/2006/102336A2 |
A process and apparatus for manufacture of aromatic carboxylic acids comprises a liquid phase oxidation of aromatic hydrocarbon feed materials and treatment of a high pressure off-gas from the liquid phase oxidation to separate water and...
|
|
WO/2006/102459A1 |
A process and apparatus for manufacture of aromatic carboxylic acids comprises a liquid phase oxidation of aromatic hydrocarbon feed materials and treatment of a high pressure off-gas from the liquid phase oxidation to separate water and...
|
|
WO/2006/102137A1 |
Energy is recovered during the production of aromatic carboxylic acids by liquid phase oxidation of aromatic hydrocarbons by performing a high efficiency separation on the reactor overhead vapor to form a high pressure gaseous overhead s...
|
|
WO/2006/097510A1 |
The invention relates to a method for producing 5-halo-2,4,6-trifluoroisophthalic acid of formula (I), wherein X represents F, Cl, Br, or I, by hydrolysis of 5-halo-2,4,6-trifluoroisophthalodinitrile of formula (II). Said invention is ch...
|
|
WO/2006/095568A1 |
The invention provides a process for the oxidation of organic compounds by oxidizing an organic compound with oxygen in the presence of a catalyst constituted of an N-hydroxyimide or N-(substituted oxy)imide, which makes it possible to m...
|
|
WO/2006/096311A1 |
Processes for producing terephthalic acid are disclosed, the processes comprising combining in a reaction medium p-xylene, a solvent comprising water and one or more saturated organic acids having from 2-4 carbon atoms, and an oxygen-con...
|
|
WO/2006/096313A1 |
Processes for the liquid phase oxidation of one or more of a para- or a meta-substituted dialkyl aromatic compound are disclosed, the processes including a step of combining in a reaction medium the one or more para- or meta-substituted ...
|
|
WO/2006/096312A1 |
Processes for producing aromatic dicarboxylic acids are disclosed, the processes including a step of combining in a reaction medium a dialkyl aromatic, a solvent comprising water and a saturated organic acid having from 2-4 carbon atoms,...
|
|
WO/2006/092304A1 |
The invention relates to the use of a catalyst containing at least one first catalyst layer on the gas entry side, a second catalyst layer laying closer to the gas exit side and a third catalyst layer lying even closer to or on the gas e...
|
|
WO/2006/090210A1 |
The object of the invention is the preparation of 2-chloro-4-fluoro-5-nitrobenzoic acid and derivatives thereof, by nitration of 2-chloro-4-fuorobenzotrichloride and the conversion of the novel synthetic intermediate thus obtained into i...
|
|
WO/2006/088470A2 |
A method and apparatus for purifying carboxylic acids is disclosed. A mixture containing crude carboxylic acid is contacted with a selective crystallization solvent to form a slurry of a salt complex of the carboxylic acid and the select...
|
|
WO/2006/085134A1 |
The present invention relates to a process for preparing purified terephthalic acid [PTA,], comprising the steps: dissolving crude terephthalic acid [CTA] in an aqueous medium in a reactor; hydrogenating CTA at a temperature of about 260...
|
|
WO/2006/082215A2 |
The invention relates to catalyst systems for catalytic gas phase reactions which are characterized in that the catalyst activity increases in the direction of flow of the gas, the catalyst activity being controlled using mixtures of low...
|
|
WO/2006/077884A1 |
[PROBLEMS] To impart an antiglare effect to a laminated glass making use of a polyvinyl butyral resin as an intermediate film without coloring the same. [MEANS FOR SOLVING PROBLEMS] There is provided an intermediate film of laminated gla...
|
|
WO/2006/073600A2 |
Disclosed is an optimized process for more effectively and efficiently modeling liquid-phase oxidation in a bubble column reactor.
|
|
WO/2006/071407A1 |
Impure aromatic carboxylic acids such as are obtained by liquid phase oxidation of feed materials comprising aromatic compounds with substituent groups oxidizable to carboxylic acid groups, or comprising aromatic carboxylic acid and one ...
|
|
WO/2006/071025A1 |
The present invention relates to a process for refining 2,6-naphthalene dicarboxylic acid, and particularly to a process for refining of 2,6-naphthalene dicarboxylic acid comprising the steps of; a) mixing a crude 2,6-naphthalene dicarbo...
|
|
WO/2006/066975A1 |
Process for the preparation of aryl or vinyl carboxylic acids via Pd-catalysed hydroxycarbonylation of aryl and vinyl bromides, wherein the aryl or vinyl bromides are reacted with a carbon monoxide source comprising lithium formate and a...
|
|
WO/2006/068471A1 |
The invention is directed to a catalytic principle based on zeolite crystallites attached to support or incorporated in a matrix and a catalytically active principle incorporated in the zeolite, the said crystallites having a diameter of...
|
|
WO/2006/068472A1 |
The present invention relates to a process for making terephthalic acid by reacting a starting material and oxygen in the presence of a heterogeneous catalyst and p-xylene as solvent to produce a solution of terephthalic acid (TPA). The ...
|
|
WO/2006/058642A1 |
The invention relates to a novel method for producing 3-halophthalic acid dichlorides (3-halo-benzol-1,2-dicarboxylic acid dichlorides) from the corresponding 3-halophthalic acid anhydrides by reacting phosgene in the presence of an N,N-...
|
|
WO/2006/056436A1 |
Disclosed is a method for producing phthalic dichloride by reacting phthalic anhydride with a chlorinating agent (I) selected among the group comprising thionyl chloride and phosgene in the presence of a catalyst at a temperature ranging...
|
|
WO/2006/054643A1 |
Disclosed is a method for oxidizing a hydrocarbon, alcohol or aldehyde comprising a step wherein a hydrocarbon, alcohol or aldehyde is oxidized into a corresponding alcohol, aldehyde, carboxylic acid or carboxylate in a liquid phase havi...
|
|
WO/2006/049818A1 |
A process is disclosed that relates to the removal of impurities and the recovery of mother liquor and wash filtrate from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, t...
|
|
WO/2006/036168A1 |
Disclosed is a process that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid. The process involves the addition of a wash solution to a hi...
|
|
WO/2006/036169A1 |
Disclosed is a process that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid. The process involves the addition of a wash solution to a hi...
|
|
WO/2006/031422A2 |
Disclosed is an optimized process for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly e...
|
|
WO/2006/028769A2 |
Disclosed is an optimized process for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly e...
|
|
WO/2006/028873A2 |
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides ...
|
|
WO/2006/028818A1 |
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubo a column reactor that provides ...
|
|
WO/2006/028771A2 |
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides ...
|
|
WO/2006/028809A2 |
Disclosed is an optimized process and apparatus for more efficiently producing aromatic dicarboxylic acids (e.g., terephthalic acid). In one embodiment the process/apparatus reduces costs by recovering and purifying residual terephthalic...
|
|
WO/2006/028754A2 |
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides ...
|
|
WO/2006/028874A2 |
Disclosed is an optimized process for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly e...
|
|
WO/2006/028768A2 |
Disclosed is an optimized process for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly e...
|
|
WO/2006/028772A2 |
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides ...
|
|
WO/2006/021063A1 |
Process for chemical recycling of post consumption poly(ethylene terephthalate) and equipment to perform the chemical recycling of post consumption poly(ethylene terephthalate) comprising a chemical process performing the depolymerizatio...
|
|
WO/2006/005243A1 |
A process for the purification of terephthalic acid which uses two-stage rotary pressure filter. Each of the stage is divided into three functional regions, which are hydraulic filtration region, pneumatic filtration region and discharge...
|
