Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/2006
01/03/2006US6982234 Methods and apparatus for removing catalyst from oxidation reactor effluent
01/03/2006US6982026 Mixing a feed stream that comprises at least one of an organic acid or an organic acid amide and at least one azeotroping agent; heating to produce heteroazeotrope vapor stream; separating the first vapor stream; producing first bottoms
12/2005
12/29/2005WO2005123652A1 Rare earth metal complex light-emitting material having aromatic organic ligand
12/29/2005WO2005123651A1 L-2-(α-HYDROXYPENTYL)BENZOATES, THE PREPARATION AND THE USE THEREOF
12/29/2005WO2005123650A1 Novel fluorinated adamantane derivative
12/29/2005WO2005123648A1 Highly soluble form of tricalcium citrate, and methods of its making and use
12/29/2005WO2005123647A1 Process for the preparation of lactic acid or lactate from a magnesium lactate comprising medium
12/29/2005WO2005123646A2 Fluoroorganic compounds and anti-fouling treatments
12/29/2005WO2005123254A1 Catalysts based on metal complexes for the synthesis of optically active chrysanthemic acid
12/29/2005WO2005108339A3 High yield and rapid syntheses methods for producing metallo-organic salts
12/29/2005WO2005009104A3 Benzoic and phenyl acetic acid derivatives as hnf-4 modulators
12/29/2005WO2004092122A3 Preparation and purification of synthetic capsaicin
12/29/2005US20050288532 Oxidation method
12/29/2005US20050288528 Excellent in physical properties such as heat resistance, light resistance, chemical resistance, low refractive index properties, water repellency, oil repellency and transparency
12/29/2005US20050288527 Method for preparing free-flowing crystalline material
12/29/2005US20050288526 Process for production of 2-(hydroxymethyl)cyclo-propanecarboxylic acids
12/29/2005US20050288522 Process for preparing pentacene derivatives
12/29/2005US20050288374 Chemical stabilization of solubilized retinoids and aqueous compositions comprised thereof
12/29/2005US20050288263 2-(&agr;-Hydroxypently) benzoate and its preparation and use
12/29/2005US20050287060 Antimony vanadium phosphate
12/28/2005EP1608613A2 A process for the recovery of citric acid
12/28/2005EP1226868B1 Catalyst for producing acetic acid
12/28/2005EP1144353B1 Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization
12/28/2005EP1119410B1 Selective oxidation process and catalyst therefor
12/28/2005EP1047483B1 Separation process
12/28/2005CN1714069A Method for making carboxylic acids
12/28/2005CN1714068A Method for making carboxylic acids
12/28/2005CN1233609C Process for production of unsaturated aldehyde
12/27/2005CA2067952C Calcium citrate anticaking agent
12/22/2005WO2005121133A1 Highly selective novel amidation method
12/22/2005WO2005121061A1 Novel process for producing ibuprofen sodium dihydrate
12/22/2005WO2005121060A1 Process for the synthesis of polyfluorocarboxylic acids
12/22/2005US20050283022 Filtrate preparation process for terephthalic acid filtrate treatment
12/22/2005US20050283020 Process for the preparation of 2-aryl propionic acids
12/22/2005US20050282904 Hydroxycitric acid compositions, pharmaceutical and dietary supplements and food products made therefrom, and methods for their use in reducing body weight
12/22/2005US20050282894 Hydroxycitric acid compositions, pharmaceutical and dietary supplements and food products made therefrom, and methods for their use in reducing body weight
12/22/2005US20050281913 magnesium lactate is reacted with a hydroxide of sodium, calcium or ammonium at pH 9 -12 to form a lactate of sodium, potassium, calcium and/or ammonia and magnesium hydroxide; magnesium hydroxide can be easily separated and used as neutralizing agent in fermentaion of carbohydrate to form lactic acid
12/22/2005DE10393950T5 Verfahren zur Herstellung von Carbonsäure A process for the preparation of carboxylic acid
12/22/2005DE102004026472A1 Mehrlagen-Katalysator zur Herstellung von Phthalsäureanhydrid Multi-layer catalyst for producing phthalic anhydride
12/22/2005DE102004025901A1 Verfahren zur Herstellung optisch aktiver 3-Alkylcarbonsäuren A process for preparing optically active 3-alkylcarboxylic acids
12/22/2005DE102004009549B4 Verfahren zur Durchführung von basisch katalysierten Reaktionen A process for carrying out base-catalysed reactions
12/22/2005CA2569686A1 Highly selective novel amidation method
12/21/2005EP1607383A1 Method of stabilizing 1,4-dihydroxy-2-naphthoic acid
12/21/2005EP1419108B1 Method for the preparation of lactic acid and calcium sulphate dihydrate
12/21/2005EP1397336A4 Preparation of polyaryl carboxylic acids
12/21/2005CN1711233A Method for preparing indan-1,3-dicarboxylic acid
12/21/2005CN1709849A Method for synthesizing glyoxalic acid by oxidation of glyoxal with maleuric ozonide
12/21/2005CN1232498C Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers
12/21/2005CN1232496C Method for purifying an organic solvent for the purpose of absorption of maleic acid anhydride
12/21/2005CN1232495C Method of treating fluorine compound and treated substance
12/21/2005CN1232494C Method for controlling reaction and controlling apparatus
12/21/2005CN1232352C Heteropoly compound catalyst, preparing method and application thereof
12/21/2005CN1232348C Catalyst for preparing unsaturated aldehyde and unsaturated carboxylic acid
12/20/2005US6977312 Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo[2.2.n] parent substances and catalysts containing same
12/20/2005CA2188217C Process for the production of acetic acid by the carbonylation of dimethyl ether
12/15/2005WO2005118519A1 Alkoxycarbonylation of vynil esters
12/15/2005WO2005118518A1 METHOD FOR PRODUCING α,β-UNSATURATED CARBOXYLIC ACID
12/15/2005WO2005118134A1 Palladium-containing catalyst and method for producing same
12/15/2005WO2005117907A2 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
12/15/2005WO2005108535A3 Polyunsaturated fatty acid monovalent and divalent metal salt synthesis
12/15/2005WO2005092820A3 Synthesis of carbon-labeled perfluoroalkyl compounds
12/15/2005US20050277788 Process for preparing phthaloyl chloride
12/15/2005US20050277787 oxidizing a compound selected from cycloalkane, cycloalkanol and cycloalkanone, with oxygen in a liquid phase and in the presence of a catalyst dissolved in the reaction medium characterized in that the catalyst containing at least one soluble Mn and/or Co compound, soluble Cr and Fe compounds
12/15/2005US20050277786 Reacting a carboxylic acid with a methylenating agent in the presence of a catalyst containing a metal of Group 13 of the Periodic Table of Elements in the amount of not more than 5 weight %; catalyst selectivity
12/15/2005US20050277547 Vapor phase oxidation of alkane or mixture of alkane and alkene to unsaturated carboxylic acid or ammoxidation to an unsaturated nitrile using a molybdenum or tungsten mixed oxide catalyst treated with nitric acid, ammonium nitrate, ammonium nitrite, nitrogen monoxide and/or nitrogen dioxide
12/15/2005DE102004015714B3 Trennboden für eine Destillationskolonne Separating base for a distillation column
12/14/2005EP1604971A1 Cinnamyl alcohol derivative compounds and drugs containing the compounds as the active ingredient
12/14/2005EP1604969A1 High shear process for making metallic esters
12/14/2005EP1603997A2 Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant
12/14/2005EP1603857A2 Method for making industrial chemicals
12/14/2005EP1487575B1 Method for the production of a catalyst containing vanadium, phosphorus, and oxygen
12/14/2005EP1465968A4 Methods for treating deodorizer distillate
12/14/2005CN1708473A Flexible method for the joint production of (i) formic acid, (ii) a carboxylic acid comprising at least two carbon atoms and/or the derivatives thereof, and (iii) a carboxylic acid anhydride
12/14/2005CN1708472A Process for producing terephthalic acid
12/14/2005CN1708471A Method for producing lubricant detergents
12/14/2005CN1708470A Method for the alkylation of salicylic acid
12/14/2005CN1708469A Process for producing carboxylic acid and system for producing the same
12/14/2005CN1231485C Stable concentrated rare earth carboxylate liquids
12/14/2005CN1231451C Process to enable recemation of optical rotary vinyl substituted cyclopropane carboxylic compound
12/14/2005CN1231450C Maleicanhydride preparation
12/14/2005CN1231449C Method of preparing adipinic acid using bionic catalytic oxggen to oxidize cyclohexane
12/14/2005CN1231448C Technique for producing chloroactic acid through high temperature and high pressure method and its equipment
12/14/2005CN1231447C Process for purifying isophthalic acid by crystallization
12/14/2005CN1231446C Production method of aromatic carboxylic acids
12/14/2005CN1231445C Reaction rectifying process for aldehyde oxidation to produce acid
12/14/2005CN1231444C Oxidation process
12/14/2005CN1231443C Method for the production of acrylic acid by heterogeneously catalyzed partial propane oxidation
12/14/2005CN1231442C Process for production of acetic acid
12/14/2005CN1231293C Method for producing multi-metal oxide catalyst
12/13/2005US6974877 Such as 1,4,8,11-tetramethylpentacene by reacting substituted bis(benzyl)phthalic acid with trifluoromethanesulfonic acid
12/13/2005US6974843 Cogeneration of organic compounds with synthesis gas by catalytic partial oxidation
12/08/2005WO2005115963A1 Process for producing (meth)acrylic acid or (meth)acrylic ester
12/08/2005WO2005115962A1 Process for producing (meth)acrylic acid and (meth)acrylic ester
12/08/2005WO2005115961A1 Apparatus for (meth)acrylic acid production and process for producing (meth)acrylic acid
12/08/2005WO2005115960A1 Process for producing acrylic acid
12/08/2005WO2005115959A1 Use of polyalkenyl succinimides in acrylic acid production
12/08/2005WO2005115958A1 Polymerization inhibitor, composition containing the same and process for producing easily polymerizable compound with the polymerization inhibitor
12/08/2005WO2005115957A1 Method for producing high purity terephthalic acid
12/08/2005WO2005115956A1 Process for producing high-purity terephthalic acid
12/08/2005WO2005115955A1 Method for the production of optically active 3-alkyl carboxylic acids and the intermediate products thereof