Patents
Patents for C07C 53 - Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen (9,125)
06/2002
06/27/2002US20020082445 Contacting in oxidation reaction zone, alkane, molecular oxygen-containing gas, and corresponding alkene water, in the presence catalyst active for the oxidation of the alkane to produce alkene and carboxylic acid and water
06/26/2002EP1216979A1 Process for the preparation of trimethylol alcanes and formic acid
06/26/2002EP1216094A1 Group 4 metal promoted iridium carbonylation catalyst
06/26/2002CN1086689C Process for photooxidation synthesis of trichloro-acetyl chloride
06/20/2002US20020077502 Reacting formaldehyde and aldehyde in presence of a nitrogen base to form mixture containing trimethylol compound and formate salt of nitrogen base; removing trimethylol compound; distillation of formate salts into base and formic acid
06/20/2002US20020074107 Apparatus & process for heat exchange with fluid beds
06/20/2002DE10050246C1 Calciumdoppelsalze, Verfahren zu ihrer Herstellung und ihre Verwendung zur Konservierung Calcium double salts, processes for their preparation and their use for preserving
06/19/2002EP1214144A1 Group 5 metal promoted iridium carbonylation catalyst
06/19/2002CN1354165A Control of waste water produced in furfural industry and preparation process of butyl acetate
06/19/2002CN1354139A Method and device for treating waste water containing acetic acid
06/19/2002CN1086377C Process for preparing high concentration formic acid
06/13/2002US20020072636 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
06/12/2002EP1212281A2 Method for producing acid chlorides
06/12/2002EP1212276A1 Sulfur containing promoter for alkanes oxidative dehydrogenation processes
06/12/2002EP1212273A2 Method for purifying acid chlorides
06/12/2002EP1176234A9 Catalyst supports, supported catalysts, methods of making the same and methods of using the same
06/12/2002EP0968166B1 Process for the manufacture of carboxylic acids
06/06/2002WO2002043768A1 Molecular inclusion compounds consisting of biocatalytically obtained, linear, water-insoluble polysaccharides and of fatty acids or their derivatives
06/06/2002WO2001085681A3 3-methoxybenzyl thiourea derivatives and improved lipid compositions containing same
06/06/2002WO1999002120A8 Compositions and methods for reversibly increasing permeability of biomembranes
06/06/2002US20020068837 Oxidative ozonolysis of dicarboxylic amides then crystallizing
06/06/2002US20020068113 A calcium double salt of organic (preservative) acids of formula Ca(R1)(R2) where R1 and R2 are different and are each OOC-R3, R3=saturated or monounsaturated or polyunsaturated c1-c5-alkyl, C1-C5-hydroxyalkyl or phenyl
06/06/2002US20020066703 TMP/Vapor pressure filtration
06/05/2002EP1210310A1 Method for preparing acid chlorides and benzene aldehydes
06/04/2002US6399816 Method for selectively producing acetic acid through the catalytic oxidation of ethane
05/2002
05/29/2002EP1209125A2 Process for recovering fluorinated akanoic acids from wastewater
05/29/2002EP1208075A1 Process for producing a vic-dichloro acid fluoride
05/29/2002EP1208074A1 Process for the production of fluorocarboxylic acid anhydrides
05/29/2002EP1208073A1 Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
05/29/2002EP1208072A1 Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
05/29/2002EP1208065A1 Method for recovering fluorinated emulsifiers from aqueous phases
05/29/2002EP0979223B1 Method for producing acetic acid in a reactor cascade
05/29/2002CN1350999A Oxidation for producing chain olefin and carboxylic acid
05/29/2002CN1350998A Oxidation for producing chain olefin and carboxylic acid
05/29/2002CN1350881A Apparatus and method for heat exchange with fluid bed
05/29/2002CN1085724C Process for making solid compositions containing quaternary ester ammonium compounds and fatty acids
05/28/2002US6395927 Carbon monoxide, an iridium compound to form acetic acid and methyl acetate
05/28/2002US6395701 Mixture
05/23/2002DE10055810A1 Acetic acid production in high selectivity and yield, by oxidation of ethane with molecular oxygen in a fluidized bed of catalyst particles with specific gas bubble diameter and/or catalyst particle diameter
05/22/2002EP1206434A1 Vapor phase carbonylation process using promoted iridium catalyst
05/22/2002EP1206433A1 Vapor phase carbonylation process using promoted iridium catalyst
05/22/2002EP1206431A1 Non-corrosive catalytic hydrolysis of fatty acid esters to fatty acids
05/22/2002EP1084128A4 Powdery, solid rare earth carboxylates with improved solubility
05/22/2002CN1349969A Prepn of 3-chloropropionyl chloride
05/22/2002CN1349968A Ligand Rh catalyst for quaternarized copolymer and its prepn
05/22/2002CN1349967A Copolymer ligand Rh catalyst for methanol carbonylation to synthesize acetic acid and ethyl anhydride and its prepn
05/22/2002CN1349855A Bimetallic catalyst for homogeneous methanol carbonylation and its prepn
05/22/2002CN1349854A Bimetallic catalyst with Rh and Li as copolymer ligand and its preparation
05/16/2002WO2002038526A1 Method for producing acetic acid
05/16/2002US20020058703 Finely crystalline calcium formate and additives are subjected to a compression and, if required, the compressed material is subjected to a comminution or fractionation or a combination of the two to set the particle size
05/15/2002EP1204629A1 Processes for preparing oxygenates
05/15/2002EP1204465A1 Low viscosity alkyl diphenyl oxide sulfonic acid blends
05/15/2002EP1164122A9 Process for producing fluorine compound through liquid-phase fluorination
05/15/2002CN1349488A Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for production of same
05/14/2002US6387842 Solid catalyst for carbonylation of petroleum feedstocks
05/02/2002WO2001066507A3 Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
05/02/2002US20020052306 (+)- And (-)-2-cyclododecylpropanol and (+)- and (-)-2-cyclododecylpropionic acid and the preparation and use thereof
05/02/2002EP1202017A2 Apparatus & process for heat exchange with fluid beds
05/02/2002EP1201631A2 Oxidation process for the production of alkenes and carboxylic acids
05/02/2002EP1201630A2 Oxidation process for the production of alkenes and carboxylic acids
05/02/2002EP1201140A1 Calcium double salts, their synthesis and use as preservatives
05/02/2002EP1200382A1 Method of producing carboxylic acids by carbonylation of olefins
05/01/2002CN1347395A Method for producing carboxylic acids from olefins
04/2002
04/30/2002US6380412 Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
04/25/2002WO2001077059A3 Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers
04/25/2002WO2000078700A3 Method for improving the stability and/or avoiding deactivation of a catalyst when making an acetic acid and/or methyl acetate
04/24/2002EP1198446A1 Method for separating and purifying an aqueous mixture that mainly consists of acetic acid and formic acid
04/24/2002EP1198445A1 A method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid
04/24/2002CN1083419C Pentanoic acid derivatives, its preparation, medicinal materials having same and use thereof
04/23/2002USRE37670 Related to the antiepileptic drug valproate;
04/23/2002US6376691 Nonaqueous solution; organometallic compound
04/23/2002US6376168 Method for preparing non-photosensitive fatty acid silver salt grain
04/23/2002CA2053828C Continuous process for the simultaneous preparation of acetic acid and acetic anhydride
04/18/2002WO2002030919A1 SYNTHESIS OF R(+)α-LIPOIC ACID
04/18/2002WO2002010228A3 Transformation of polymers to useful chemicals by oxidation
04/17/2002EP1196368A1 Dust-free calcium formate
04/17/2002EP1196366A1 Carbonylation reactions
04/17/2002CN1345298A Process for producing fluorine compound through liquid phase fluorination
04/11/2002WO2002028776A1 Rare earth or gallium additive composition, methods for preparing same and use thereof as catalyst
04/11/2002US20020042445 Use of branched-chain fatty acids and derivatives thereof for the treatment of pain
04/11/2002DE10048874A1 Katalysatorsystem und Verfahren zur Carbonylierung The catalyst system and process for the carbonylation
04/11/2002CA2424925A1 Rare earth or gallium additive composition, methods for preparing same and use thereof as catalyst
04/10/2002EP0989969B1 Process for the manufacture of carboxylic acids
04/10/2002CN1343650A Anticancer compound with particular structure
04/10/2002CN1343649A Process for hydrolyzing methyl acetate
04/09/2002US6368819 Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth
04/04/2002WO2002026701A2 Ionic liquids and their use as solvents
04/04/2002WO2002026382A1 Catalyst system and method for carbonylation
04/04/2002WO2001087815A3 Process for the production of carboxylic acids
04/04/2002US20020039769 Chemical intermediates; hydrolysis using hydrolases
04/04/2002US20020039652 Synthesis of alumina acetate monohydrate salt sol fibers and uses thereof
04/03/2002EP1193242A1 Method for recovering fluorinated alkanoic acids from waste waters
04/03/2002CN1342637A Integrated process and system for recovering liluted acetic acid
04/03/2002CN1342636A Separation method for equatic mixture of formic acid and acetic acid
04/03/2002CN1082041C Process for preparing chloracetic acid by continuous chlorination and its equipment
04/02/2002US6365769 Perfluoroalkyl halides and derivatives
03/2002
03/28/2002WO2002024635A2 Aminoalcohol derivatives
03/28/2002US20020037938 Using rhodium-containing supported catalyst which also contains zirconium, copper, cobalt, nickel, manganese, iron, ruthenium, molybdenum, alkali metals or alkaline earth metals
03/27/2002EP1190764A1 Manufacturing of carbonxylic acid fluorides
03/27/2002EP1036055B1 Method for producing chlorocarboxylic acid chlorides
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