Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1988
12/14/1988EP0294746A1 Bicyclic nitro compounds
12/14/1988EP0294687A1 Use of sulfonamidcarboxylic acid salts as corrosion inhibitors in aqueous systems
12/14/1988EP0294668A2 (2-cyano-2-oximinoacetyl)-amino acid derivatives
12/14/1988EP0294667A2 (2-cyano-2-oximinoacetyl)-amino acid derivatives
12/14/1988EP0294651A1 Process for the preparation of (2,2)-paracyclophane
12/14/1988EP0294615A1 Cyclobutene-3,4-dione-intermediates and their use in the preparation of histamine h2-antagonists
12/14/1988EP0294584A1 Process for preparing 2,3,5-trimethylbenzoquinone
12/14/1988EP0294557A2 Process for the preparation of 3-phenyl-2-methylpropanol and its para-substituted alkylic derivatives
12/14/1988EP0238569B1 Process for the manufacture of cycloalkane carboxylic acids
12/14/1988EP0184061B1 4-(n-ethyl,n-2'-hydroxyethyl)-amino-1-(2"-hydroxyethyl)-amino-2-nitrobenzene and hair dyeing agents
12/14/1988CN88102858A Process for preparing hydrazine derivatives use as antihypertension agent
12/14/1988CN88102650A Diarylalkyl-substituted alkylamines, process for preparing them, their use, and medicaments containing them
12/14/1988CN88102563A Process for preparation of hydrocarbons
12/14/1988CN88101939A Improvement in or relating to leukotriene antagonists
12/14/1988CN88101658A Process for production of amines
12/14/1988CN87101284A Process for crystal cyclohexyl benzene derivatives and novel nematic mixture containing the derivatives
12/13/1988US4791653 Pseudorandom word sequence synchronizer
12/13/1988US4791234 Reacting bisphenol or isopropenylphenol with acidic catalyst, removing by-products, precipitation with water from solvent mixture
12/13/1988US4791229 Preparation of aryl cyanamides from arylamines and cyanogen chloride
12/13/1988US4791228 Process for preparing α,ω-dicarboxylic acids
12/13/1988US4791223 Process for the preparation of 1,1,2,2-tetrahydroperfluoroalkanols and their esters
12/13/1988US4791222 Hydrogenating alpha-penene; pyrolyzing; hydrochlorinating; reacting with water or acetic acid using specific catalyst
12/13/1988US4791221 With a heavy alcohol using a lithium catalyst added incrementally and a substance which forms an azeotrope with methanol
12/13/1988US4791220 Heating with amine catalyst
12/13/1988US4791219 Preparation of etherified 3-hydroxyvalerates
12/13/1988US4791218 Solvent extraction with phase modifier
12/13/1988US4791141 Process for synthesizing a mixture of primary alcohols from a synthesis gas in the presence of a catalyst containing copper, cobalt, zinc and aluminum
12/13/1988US4791139 Diphenyl ether derivatives and their use as insecticides
12/13/1988US4791123 Insecticidal triffluormethyl alkane derivatives
12/13/1988US4791098 2-methyl-3-(p-methylphenyl)propionitrile, preparation and use thereof as scent
12/13/1988US4791080 Oxidative catalyst regeneration
12/13/1988US4791079 Ceramic membrane for hydrocarbon conversion
12/13/1988US4790963 Process for synthesis of esters from gaseous reactants containing organic hydroxy compounds and mixtures of hydrogen and carbon monoxide
12/13/1988CA1246622A1 Process for the preparation of diphenyl ethers
12/13/1988CA1246621A1 Terphenyl derivatives
12/13/1988CA1246620A1 Process for the continuous production of alcohols
12/13/1988CA1246619A1 Preparation of plasticizer alcohols from propylene- butene mixtures
12/13/1988CA1246618A1 Method of alkoxylating fluorinated alcohols
12/13/1988CA1246617A1 Process for the production of alkylene glycols
12/13/1988CA1246616A1 Process for the production of butane-1,4-diol
12/13/1988CA1246613A1 Zeolite h-zk-5 as catalyst for conversion of methanol and ammonia to dimethylamine
12/13/1988CA1246611A1 Nitrated benzene derivative dye; process for preparing the same and use thereof for dyeing keratinic fibers
12/13/1988CA1246609A1 Process for producing 1-hydroxy ketones
12/13/1988CA1246607A1 2,2-bis(2-perfluoroalkyl ethylthio)acetaldehydes and process for preparing the same
12/13/1988CA1246606A1 Process for the preparation of formic acid
12/13/1988CA1246605A1 Dialkanoyloxybenzylidene dialkanoate
12/13/1988CA1246603A1 Preparation process of cinnamate ester
12/13/1988CA1246597A1 Asa derivative, preparation process and pharmaceutical compositions containing same
12/13/1988CA1246594A1 Prostaglandins
12/13/1988CA1246566A1 Phenol derivatives
12/13/1988CA1246562A1 Substituted sulfonamidobenzamides, antiarrhythmic agents and compositions thereof
12/13/1988CA1246561A1 Prostaglandin derivatives
12/13/1988CA1246558A1 Carbacyclin amides, process for their manufacture and their use as medicaments
12/13/1988CA1246557A1 Carbacyclin esters, process for their manufacture and their use as medicaments
12/13/1988CA1246534A1 Nickel/alumina/silicate catalyst, its preparation and use
12/13/1988CA1246529A1 Magnesium-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246523A1 Iron-aluminum-phosphorous-silicon-oxide molecular sieve compositions
12/13/1988CA1246458A1 Topical treatment and composition with anti- inflammatory activity
12/13/1988CA1246450A1 Combination of 2-substituted carbapenems with cipeptide inhibitors
12/08/1988DE3816799A1 Substituierte benzamide, verfahren zu ihrer herstellung und pharmazeutische mittel Substituted benzamides, methods for their preparation and pharmaceutical compositions
12/07/1988EP0294258A1 Hydrazine derivatives, process for obtaining them and pharmaceutical composition containing them
12/07/1988EP0294069A2 Purine compounds, process for their preparation, intermediates and pharmaceutical compositions
12/07/1988EP0294035A2 Benzoylaminophenoxybutanoic acid derivatives
12/07/1988EP0293999A2 Process for the coproduction of anilines and oxamides
12/07/1988EP0293950A1 Process for oligomerizing light olefins or their mixtures
12/07/1988EP0293943A2 Benzoyl-ureas having insecticide activity
12/07/1988EP0293939A2 Crystalline aluminophosphate composition
12/07/1988EP0293925A2 Compound active in cardiovascular therapy
12/07/1988EP0293914A1 Oligomerization processes and catalysts
12/07/1988EP0293912A2 Process for the preparation of ethane sulfobetaine compounds which can be substituted
12/07/1988EP0293880A1 Antihyperlipidemic and antiatherosclerotic urea compounds
12/07/1988EP0293859A1 Catalyst for oxidation of acrolein and process for production thereof
12/07/1988EP0293849A1 Process for separation of halogenated hydroxy-aromates from aqueous solutions
12/07/1988EP0293817A1 Cyclohexenonic compounds, a process for their preparation, their use as a herbicide or as a plant growth regulating means
12/07/1988EP0293811A1 The production of an alcohol from an alkyl formate by decarbonylation
12/07/1988EP0293768A1 Process for making propargyl ethers of hydroxyaromatic compounds
12/07/1988EP0293749A1 N,N'-Biscyano-p-benzoquinonebisimines, charge-transfer complexes containing them and radical-ion salts of the biscyano-benzoquinonebisimines
12/07/1988EP0293744A1 Process for recovering benzolmonosulfonic acids from aqueous solutions or suspensions
12/07/1988EP0293718A2 Substituted aminophenyl carbamate
12/07/1988EP0293672A1 Preparation of alkanedisulfonic acids
12/07/1988EP0293432A1 Organic acid anhydride and pharmaceutical composition on a prodrug base
12/07/1988CN88103277A N-alkylsulfurylanilline derivatives, process for preparing them and pharmaceutical composition containing same
12/07/1988CN88102538A Bicyclic compounde processes for prepn. thereof and pharmaceutical composition comprising same
12/07/1988CN88102535A Improved hydrogenation process for preparing 4-aminophenol
12/07/1988CN88101293A Method for ammoxidation of paraffins and catalyst therefor
12/06/1988US4789756 Process for the preparation of an ester of a 3-aryl-substituted acrylic acid
12/06/1988US4789755 Dehydrodimerization of methyl or phenyl toluates
12/06/1988US4789754 Production of chrysanthemic esters
12/06/1988US4789750 2-(trimethyl-tridecenyl)-tetramethylchroman intermediates for vitamin E
12/06/1988US4789736 Complexes of technetium-99m with propylene amine oximes
12/06/1988US4789704 Curable resin from bis maleimide and alkenyl phenyl hydroxy ether
12/06/1988US4789686 Process for the preparation of an aqueous solution of the sodium salt of methionine
12/06/1988US4789685 9-fluoroprostaglandin derivatives, their preparation and use as medicinal agents
12/06/1988US4789681 Cytoprotective guanidine derivatives useful in ischemic diseases
12/06/1988US4789655 Oxychlorination of group eight metal supported by mordenite; good metal dispersion
12/06/1988US4789502 Alcohol, metal catalysts and promoter; vapor phase
12/06/1988US4789382 With disperse dyes, ready exhaustion, sublimation resistant, bright
12/06/1988CA1246288A1 Preparation of phenol resol ethers bonded via o,o'- methylene ether groups
12/06/1988CA1246098A1 Process for the production of hydrocarbons from hetero-substituted alkanes
12/06/1988CA1246097A1 Process for the preparation of a very pure commercial form of 4,2',4'-trichloro-2-hydroxydiphenyl ether