| Patents for C07C 57 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms (12,415) |
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| 05/21/2008 | DE102006054214A1 Exothermic heterogeneously catalyzed partial gas phase oxidation of a starting compound e.g. propylene to a target compound e.g. acrylic acid, comprises oxidizing a gas mixture containing e.g. the starting compound and molecular oxygen |
| 05/21/2008 | CN101182291A Clean synthetic technique for one-step synthesis of fatty acid zinc salt |
| 05/20/2008 | US7375052 Prepared by adding a V compound and an Mo compound to an aqueous dispersion of finely ground Te, adding another metal(s) (Nb), evaporating to dryness, and calcining; one-stage oxidation of propane to form acrylic acid; ammoxidation of propane to form acrylonitrile |
| 05/15/2008 | WO2007121312A3 Trivalent chromium compounds, compositions and methods of use |
| 05/15/2008 | WO2006058998A3 Preparing tantalum-based catalysts for selective oxidation of propane into acrylic acid |
| 05/15/2008 | DE102007045282A1 Regenerating a catalyst having a heteropoly acid compound, useful to prepare methacrylic acid, comprises heat-treating a mixture containing deactivated catalyst, an ammonium-, a nitrate- ion and water, drying and calcinating the mixture |
| 05/15/2008 | DE102007019597A1 Partial gas phase oxidation of acrolein to acrylic acid or methacrolein to methacrylic acid, useful e.g. as monomer to prepare polymers, comprises using a tube bundle reactor in reaction tube of a vertically arranged reaction tubes |
| 05/14/2008 | EP1814923B1 Method for producing water-absorbing polymers |
| 05/14/2008 | CN101177389A Method for separating and reclaiming sorbic acid from waste water of sorbic acid production |
| 05/14/2008 | CN101176847A Complex vitriolate dehydration catalyst as well as method for preparing propenoic acid and methyl ester using the same |
| 05/13/2008 | US7371900 Peroxidic perfluoropolyethers |
| 05/13/2008 | US7371883 Single-step catalytic vapor phase (amm)oxidation; for conversion of alkanes |
| 05/08/2008 | WO2008053646A1 Acrylic acid production process, acrylic acid production apparatus, and composition for production of acrylic acid |
| 05/08/2008 | WO2008053331A1 Alpha-substituted omega-3 lipids that are activators or modulators of the peroxisome proliferators-activated receptor (ppar). |
| 05/08/2008 | WO2008033687A3 Process for producing acrylic acid |
| 05/08/2008 | US20080107583 Oxides of molybdenum and bismuth; vapor phase catalytic oxidation catalyst for producing acrolein or methacrolein from propylene, isobutene or tertiary butanol |
| 05/08/2008 | CA2667211A1 Alpha-substituted omega-3 lipids that are activators or modulators of the peroxisome proliferators-activated receptor (ppar) |
| 05/07/2008 | EP1917229A2 Methods for preparation and use of strong base catalysts |
| 05/07/2008 | CN101175569A Method for preparing catalyst for production of methacrylic acid |
| 05/07/2008 | CN101175568A Catalyst for producing methacrylic acid and method for preparation thereof |
| 05/07/2008 | CN101172938A Reactor for contact vapor-phase oxidation and production method for acrylic acid using it |
| 05/07/2008 | CN100386302C Method for extracting (methyl) acrylic acid aqueous solutior |
| 05/07/2008 | CN100386300C Method for preparing alpha-olefine acid by olefin oxidation |
| 05/06/2008 | US7368601 Stopping the distillation column; successively washing the column with water, an aqueous alkali solution, and an organic solvent; and restarting the column; monomer polymerization is prevented |
| 05/02/2008 | WO2008049317A1 Biphenyl acetate, preparation and uses thereof |
| 05/02/2008 | WO2008024820A3 Process for the preparation of sodium salt of ibuprofen of different particle sizes |
| 05/01/2008 | US20080103234 Dispersants |
| 04/30/2008 | CN101168502A Biphenyl ammonia acetate butantriol salt and preparation method thereof |
| 04/30/2008 | CN101168501A Technique for extracting and refining DHA enriched fatty acid from Crypthecodinium cohnii |
| 04/30/2008 | CN101168499A Synthesis method for aluminum carboxylate nucleater without acidic byproduct |
| 04/30/2008 | CN100384808C Method and apparatus for refining materials containing components easy to polymerize |
| 04/30/2008 | CN100384807C Method for production of acrylic acid |
| 04/30/2008 | CN100384806C Method for preventing exhaust pipe from block |
| 04/30/2008 | CN100384793C Production method and refinishing equipment of polymerizable matter |
| 04/30/2008 | CN100384412C Methods and compositions for inhibiting 5 'alpha'-reductase activity |
| 04/29/2008 | US7365229 Peroxidic perfluoropolyethers |
| 04/29/2008 | US7365219 Solid phase extraction method for obtaining high-purity unsaturated compounds or derivatives of said compounds |
| 04/29/2008 | US7364918 Polydiacetylene; forming transducers |
| 04/29/2008 | CA2275224C Process for making a polyalkenyl derivative of an unsaturated acidic reagent |
| 04/24/2008 | WO2008046840A1 Method of separating the acrylic acid from benzoic acid contained in a product gas mixture from a heterogeneously catalyzed gas phase partial oxidation of a c3-precursor compound of acrylic acid |
| 04/24/2008 | US20080097117 chemical intermediates for making antiinflammatory agents treating autoimmune disease; 1-[2-(Fluoren-3-yl)ethyl]-(4-(3-trifluoromethylphenyl)-1,2,3,6-tetrahydropyridine drug |
| 04/24/2008 | US20080095702 Method for monitoring blood flow and metabolic uptake in tissue with radiolabeled alkanoic acid |
| 04/24/2008 | DE102006049939A1 Separating acrylic acid from a gas-phase oxidation product gas comprises separating acrylic acid from benzoic acid by crystallization |
| 04/23/2008 | EP1912736A1 Complex metal oxide catalyst with high (meth)acrylic acid selectivity |
| 04/23/2008 | EP1912735A1 Process for producing catalyst mouldings whose active mass is a multi-element oxide |
| 04/23/2008 | EP1392636B1 Process for preparing carboxylic acids and derivatives thereof |
| 04/23/2008 | CN101166710A Process for rectificatively separating a liquid comprising acrylic acid and/or methacrylic acid |
| 04/23/2008 | CN100382889C Composite-oxide catalyst and process for production of acrylic acid using said catalyst |
| 04/23/2008 | CN100382866C High capacity purification of thermally unstable compounds |
| 04/17/2008 | US20080091048 Method for the Purification of (Meth) Acrylic Acid |
| 04/16/2008 | EP1910265A1 Assembly for the treatment of a polymerizable material |
| 04/16/2008 | EP1556329A4 Composition and method for preventing fouling in (meth)acrylic acid processes |
| 04/16/2008 | CN101161626A Method for preparing phenylacetic acid by non-catalyzed hydrolysis of benzene acetonitrile in near-critical water medium |
| 04/16/2008 | CN100381416C Method for preparing acrylic acid |
| 04/16/2008 | CN100381191C Washing device, method for purifying washing materiel and application of washing device |
| 04/10/2008 | WO2008041325A1 METHOD OF PRODUCING α,β-UNSATURATED ALDEHYDE AND/OR α,β-UNSATURATED CARBOXYLIC ACID |
| 04/09/2008 | EP1908518A1 Mixed metal oxide catalysator doped with one of Mo, Nb, V, W, Zr, Ta or Bi |
| 04/09/2008 | EP1907349A1 Process for preparing racemic alkyl-5-halopent-4-enecarboxylic acids or -carboxylic esters |
| 04/09/2008 | CN101157609A Method for preparing alpha-alpha-dimethyl phenyl acetic acid |
| 04/09/2008 | CN101157608A Method for preparing 4-pentenoic acid |
| 04/09/2008 | CN100379714C Process for producing methacrylic acid |
| 04/08/2008 | US7355062 Calcined vanadium, molybdenum, tellurium and copper composite oxide; high yield; low cost |
| 04/03/2008 | WO2008010043A3 Improved process for the preparation of ceforanide in pure form |
| 04/03/2008 | WO2007146796A3 Antiproliferative compounds, compositions and methods of use |
| 04/03/2008 | US20080081807 Arylphenyl-substituted cyclic keto-enols |
| 04/03/2008 | DE102007005606A1 Preparing catalyst molded body comprises adding a finely ground precursor mixture to the graphite until the desired geometry is formed, thermally treating the catalyst precursor molded body to obtain the catalyst molded body |
| 04/02/2008 | CN101155770A Process for producing alpha,beta-unsaturated carboxylic acid |
| 04/02/2008 | CN101153009A Preparation of unsaturated carboxylic acids and unsaturated carboxylic acid esters from alkanes and/or alkenes |
| 04/02/2008 | CN101153003A Acrylic acid based on renewable raw materials, water-absorbing polymer structures, and method for the production thereof by means of dehydration |
| 04/02/2008 | CN100378058C Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid |
| 04/02/2008 | CN100378050C Method for vapor phase catalytic oxidation |
| 04/02/2008 | CN100377773C Fixed bed multitube reactor |
| 04/01/2008 | US7351844 Adjust diffusion of oxygen; respiratory system disorders; cardiovascular disorders |
| 04/01/2008 | US7351558 Obtaining docosahexaenoic acid from microorganisms comprising: lysing cells, forming separate layers, recover docosahexaenoic acid lighter layer |
| 03/27/2008 | DE102006045089A1 Mixing liquids or suspensions in part-filled tanks, e.g. adding inhibitors to monomers, involves using a special immersed jet nozzle with a dip-tube intake below the central jet between nozzle and pulse-exchange space |
| 03/27/2008 | DE102006045088A1 Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space |
| 03/26/2008 | EP1903025A1 Method for producing (meth)acrylic acid |
| 03/26/2008 | EP1301457B1 Method for producing acrylic acid by the heterogeneously catalysed gas-phase oxidation of propane |
| 03/26/2008 | CN101151237A Acrylic acid, water-absorbent polymer structures based on renewable resources and method for producing said structures |
| 03/26/2008 | CN101151097A Palladium-containing catalyst, method for producing the same, and method for producing alpha,beta-unsaturated carboxylic acid |
| 03/26/2008 | CN101149616A Propylene oxidation unit DCS control system in crylic acid device |
| 03/26/2008 | CN101148404A Method for producing (meth) acrylic acid |
| 03/26/2008 | CN100376538C Method for producing acrylic acid from propane, in the presence of molecular oxygen |
| 03/26/2008 | CN100376536C Improved (amm)oxidation method for conversion of lower alkane |
| 03/26/2008 | CN100376242C 2-aryl-propionic acid and medicine composition containing same |
| 03/25/2008 | US7348455 Decomposing high boiling mixture containing a Michael addition product having water, an alcohol or (meth)acrylic acid added to a (meth)acryloyl group; while forcibly imparting a liquid flow in circumferential direction to a liquid reaction residue in the decomposition reactor, residue is discharged |
| 03/25/2008 | US7348443 Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon |
| 03/25/2008 | US7348173 Fatty-acid amide hydrolase |
| 03/20/2008 | WO2008033687A2 Process for producing acrylic acid |
| 03/20/2008 | WO2008006394A8 Process for the preparation of optically active (4e)-5- halo-2-alkylpent-4-enoic acids and their ester derivatives |
| 03/20/2008 | WO2007141208A3 Microbiological production of 3-hydroxyisobutyric acid |
| 03/20/2008 | US20080071109 Vapor phase catalytic oxidation; using propane, propylene, isobutylene; controlling temperature |
| 03/20/2008 | DE102006039205A1 Auf nachwachsenden Rohstoffen basierende Acrylsäure und wasserabsorbierende Polymergebilde sowie Verfahren zu deren Herstellung mittels Dehydratisierung Based on renewable raw materials acrylic acid and water-absorbing polymer structures and processes for their preparation by dehydration |
| 03/20/2008 | DE102006039203A1 Verfahren zur Herstellung von durch Kristallisation gereinigter Acrylsäure aus Hydroxypropionsäure sowie Vorrichtung dazu A process for the preparation of purified by crystallization hydroxypropionic acid and acrylic acid from device to |
| 03/19/2008 | EP1899314A2 High yield synthesis methods for producing organic salts of strontium |
| 03/19/2008 | EP1611077B1 Method for the heterogeneously catalysed partial gas phase oxidation of propene to form acrylic acid |
| 03/19/2008 | EP1611076B1 Method for the heterogenically catalysed partial gas phase oxidation of propene to form acrylic acid |
| 03/19/2008 | CN101146613A Process for preparing improved catalysts for selective oxidation of propane into acrylic acid |
| 03/19/2008 | CN101143815A Method for preparing felbinac |
| 03/18/2008 | US7345198 passing a gas mixture including propane, water, vapor, and optionally an inert gas and/or molecular oxygen, on a mixed oxide catalyst comprising molybdenum, vandadium and niobium |