Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
05/1990
05/01/1990US4921996 Crosslinking agents
05/01/1990US4921993 Substituted benzamide fungicides
05/01/1990US4921955 Process for the synthesis of 1-substituted imidazole-5-carboxylic acids and carboxylic acid derivatives
05/01/1990US4921875 Use of amino-substituted benzoic acids as remedies for diarrhea, and medicaments based on these compounds
05/01/1990US4921823 Porous anodic aluminium oxide membrane catalyst support
05/01/1990US4921528 Substituted azolylmethyl-cyclopropyl-carbinol derivatives
05/01/1990US4921524 Herbicides
05/01/1990US4921504 4-(N-ethyl-N-2-hydroxyethyl)-amino-1-(2 hydroxyethyl)-amino-2-nitrobenzene and compositions for dyeing hair containing the same
05/01/1990CA1268597A1 Diamino acid derivatives
05/01/1990CA1268596A1 Bisamide bisthiol compounds useful for making technetium radiodiagnostic renal agents
05/01/1990CA1268487A1 Process for propylene dimerization
05/01/1990CA1268486A1 Process for the preparation of (2,2)-paracyclophane
05/01/1990CA1268485A1 Method for the synthesis of iodobenzene
05/01/1990CA1268484A1 Method for the synthesis of iodobenzene
05/01/1990CA1268482A1 Alcohol recovery process
05/01/1990CA1268480A1 Dithiol synthesis
05/01/1990CA1268479A1 Substituted m-aminophenol couplers for hair dye compositions and process for their preparation
05/01/1990CA1268478A1 Process for the preparation of 2-perfluoropropoxy- perfluoropropinol fluoride
05/01/1990CA1268477A1 Process for preparing purified, virtually odourless solid benzoic acid
05/01/1990CA1268475A1 Optically active herbicides
05/01/1990CA1268473A1 Analogs of mevalonolactone and derivatives thereof, processes for their production, pharmaceutical compositions containing them and their use as pharmaceuticals
05/01/1990CA1268467A1 Pesticidal compounds
05/01/1990CA1268463A1 Preparation of substituted and unsubstituted 2-[(1- carbamoyl-1,2-dimethylpropyl)-carbamoyl]-3- quinolinecarboxylic, nicotinic and benzoic acids
05/01/1990CA1268456A1 Orally active heparin multiplets
04/1990
04/25/1990EP0365495A2 9-Anthrylalkyl compounds, their preparation and their use
04/25/1990EP0365147A1 Catalyst for hydrocarbon conversion and conversion process utilising the same
04/25/1990EP0365015A2 1,1-Dimethyl-3-hydroxymethylindane and perfumery composition comprising the same
04/25/1990EP0364587A1 Hexafluoroneopentyl alcohol, its derivatives, fluorinated polymers and their use
04/25/1990EP0364538A1 Difluorobenzol derivatives.
04/25/1990EP0240530B1 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic needle shaped particles, preparation and application thereof
04/25/1990CN1007727B Process for the preparation of tetrahydronaphtaline derivatives
04/25/1990CN1007703B Thioresistant catalyst for methane production or mixture containing methane gas
04/25/1990CA2001318A1 Carbocyclic nucleoside analogs
04/25/1990CA1268280C Star-branched polyamides
04/25/1990CA1268188C Intermediate for the synthesis of optically active d- o tocopherol
04/24/1990US4920232 Chemical intermediates
04/24/1990US4920231 Reacting with trifluoroacetic acid with halovinyl compound in presence of cuprous salt
04/24/1990US4920222 Reacting a benzophenone and an acetamide in presence of sodium tertiary alcoholate
04/24/1990US4920204 Intermediates for ceric alkoxides
04/24/1990US4920190 Acrylic ester homo-and copolymers; oil and water resistant, for leather
04/24/1990US4920181 Polymeric emulsifiers based on amino telechelatic vinyl oligomers II
04/24/1990US4920169 Light stabilizing agents for polymers
04/24/1990US4920135 Nonphytotoxic, interfere with metamorphosis
04/24/1990US4919937 Percutaneous administration of tamoxifen
04/24/1990US4919709 N-(1'-methyl-2'-methoxyethyl)-N-chloroacetyl-2,6-dimethylaniline as herbicide
04/24/1990CA1268189A1 Preparation of ethanol and higher alcohols from lower carbon number alcohols
04/24/1990CA1268187A1 Process for preparing carboxylic acids
04/24/1990CA1268186A1 N-substituted glutamic acid derivative and process for production and use thereof
04/24/1990CA1268184A1 Electroplating composition and process and surfactant compound for use therein
04/22/1990CA2001087A1 Process for the preparation of 4-o-alkylrhodomycins
04/19/1990WO1990003962A1 Process for the preparation of 7-substituted-hept-6-enoic and -heptanoic acids and derivatives and intermediates thereof
04/19/1990WO1990003840A1 Method and apparatus for continuous chemical reactions
04/18/1990EP0364116A1 Insecticidal compounds
04/18/1990EP0363934A1 Process for the preparation of 7-substituted-hept-6-enoic and -heptanoic acids and derivatives thereof
04/18/1990EP0363922A2 The process for the preparation of 3,3',4,4'-biphenyltetracarboxylic acid and its derivatives
04/18/1990EP0363585A1 N-aryl nitrogen heterocycles
04/18/1990EP0363582A1 Substituted dioxolanes
04/18/1990EP0363537A1 Catalyst for converting synthesis gas to heavy hydrocarbons, and conversion process
04/18/1990EP0258297B1 Process for separating and producing chlorogenic acid
04/18/1990EP0198829B1 9-halogen-prostaglandine derivatives, preparation process and utilization thereof as drugs
04/18/1990CN1041356A Process for preparing derivative of cyclopentene, cyclopentane and cyclohexane
04/17/1990US4918256 Co-production of aromatics and olefins from paraffinic feedstocks
04/17/1990US4918253 Process for the preparation of 1,2,5,6,9,10-hexabromocyclododecane
04/17/1990US4918252 Chemical intermediate for sex pheromone
04/17/1990US4918248 Catalytic reduction of carboxylic ester cation exchange resin modified with mercaptan; by-product inhibition
04/17/1990US4918245 Process for preparing bisphenol A
04/17/1990US4918241 Method of preparing aromatic ethers from iodoaromatic compounds
04/17/1990US4918238 Catalytic oxidation of alkanes into alcohol/ketone mixtures
04/17/1990US4918236 Herbicides
04/17/1990US4918235 Polyurethane chain extenters
04/17/1990US4918232 Process for separating aniline derivatives
04/17/1990US4918230 Process for the preparation 4-bromoaniline hydrobromides
04/17/1990US4918227 Converting benzoyl halides to azides, then to isocyanates, reacting with benzamides
04/17/1990US4918225 Melting; crystallization of trans crotonic acid by cooling
04/17/1990US4918224 Acetylating with acetonitrile; basification to supply cation
04/17/1990US4918223 Method of preparing N-acylated mercapto-alpha-amino acids
04/17/1990US4918221 Process for preparing 2,5-dichlorophenylthioglycollic acid
04/17/1990US4918220 Separation of toluene diisocyanate from the residues of the production thereof
04/17/1990US4918215 4-halogenostilbene derivatives and processes for their preparation
04/17/1990US4918213 Having a trifluoromethyl group attached to asymmetric carbon atom; stable; optical devices
04/17/1990US4918190 Crystalline complex compounds of propargyl alcohols and tertiary diamines, and process of separation and purification of propargyl alcohols using the same
04/17/1990US4918176 Unsaturated cycloaliphatic derivatives
04/17/1990US4918105 Novel compounds with collagenase-inhibiting activity, a process for their preparation and pharmaceutical compositions in which these compounds are present
04/17/1990US4918095 Compositions with antibiotic activity and their use
04/17/1990US4918091 Hyperglycemic, antilipemic agents
04/17/1990US4918052 Perfume base composition
04/17/1990US4918041 Catalyst for hydrocarbon conversion and conversion process utilizing the same
04/17/1990US4917954 Laminated article from curable resin composition comprising bis maleimide and alkenyl phenyl hydroxy ether
04/17/1990US4917829 Anticancer agent
04/17/1990US4917819 Good stability, low viscosity, large dielectric ansiotropy
04/17/1990US4917817 Optical active compound, process for producing same and liquid crystal composition containing same
04/17/1990US4917783 Light-irradiation to decompose diketone impurity;
04/17/1990US4917720 Fungicidal and plant-growth regulating azolyl ether ketones and alcohols
04/17/1990CA1267912A1 Process for the preparation of 2,4- dihydroxybenzophenone
04/17/1990CA1267911A1 Process for producing 6-hydroxy-2-naphthoic acid
04/17/1990CA1267903C Trifluoromethanesulfonates and a process for their preparation
04/17/1990CA1267892A1 Processes and intermediates for making 16-phenoxy- and 16-substituted phenoxy-prostatrienoic acid derivatives and their stereoisomers
04/11/1990EP0363308A1 Ethers
04/11/1990EP0363218A2 Process for producing tricyclodecanecarboxylic acid esters
04/11/1990EP0362996A2 Naphthoquinones for the treatment and prophylaxis of pneumocystis carinii infections