Patents
Patents for C07C 69 - Esters of carboxylic acids; Esters of carbonic or haloformic acids (54,756)
05/1999
05/12/1999CN1216482A A two step gold addition method for preparing a vinyl acetate catalyst
05/12/1999CN1216460A Oxa diacids and related compounds for treating skin conditions
05/12/1999CA2253324A1 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents
05/11/1999US5902898 Preparation of aralkanoic acids and esters using mixed ligand catalyst
05/11/1999US5902896 Reacting paraformaldehyde with acidic compounds such as diethyl malonate in an anhydrous medium using a basic catalyst; high yields; chemical intermediates for ultraviolet stabilizers or radioopaque media production
05/11/1999US5902895 Method for the continuous production of esters of thermally unstable acids
05/11/1999US5902894 Process for making dialkyl carbonates
05/11/1999US5902886 Protection of the hydroxy group of an hydroxy ester with an acid-labile acetal protecting group, reduction of the o-protected hydroxy ester to an o-protected hydroxy aldehyde, condensation of the aldehyde with a metal enolate
05/11/1999US5902590 Cosmetic and/or pharmaceutical formulations
05/11/1999CA2165205C Low pressure process for the manufacture of cyclohexanedicarboxylate esters
05/11/1999CA2028818C Production of alpha-(3-benzoylphenyl)-propionic acid derivative
05/11/1999CA2014152C Process for the preparation of an alkyl methacrylate
05/06/1999WO1999021838A1 Process for the preparation of eberconazol and intermediates thereof
05/06/1999WO1999021824A1 Cyclic amino acids and derivatives thereof useful as pharmaceutical agents
05/06/1999WO1999021650A1 Vinyl acetate catalyst comprising metallic palladium and gold, and cupric acetate
05/06/1999EP0913376A1 Process for the preparation of cyclohexanones
05/06/1999EP0913197A1 Method for recovering and recycling catalyst constituents
05/06/1999EP0912590A1 Methods for producing polyol fatty acid polyesters using atmospheric or superatmospheric pressure
05/06/1999EP0912531A1 Polyoxyalkene substituted and bridged triazine, benzotriazole and benzophenone derivatives as uv absorbers
05/06/1999EP0912496A1 Inhibition of matrix metalloproteases by acetylene containing compounds
05/06/1999EP0912491A1 Polyol succinates and their pharmaceutical formulation
05/06/1999EP0912490A1 Esters, ethers, and compositions comprising them
05/06/1999EP0912489A1 Method for producing 2-fluoro-iso butyric acid esters
05/06/1999EP0912488A1 Process for the production of 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran
05/06/1999EP0912468A1 Monomer recovery process for contaminated polymers
05/06/1999EP0808348B1 Cross-linkable pressure sensitive adhesive and process for the production of an article coated with a crosslinked pressure sensitive adhesive
05/06/1999DE19849241A1 Preparation of cyclohexanones useful as intermediates or end products e.g. for liquid crystals, plant protection agents, plastics and dyestuffs
05/06/1999DE19748440A1 New 6,7-di:fluoro-1,2,3,4-tetra:hydro-naphthalene derivatives, used as components of liquid crystal mixtures
05/06/1999DE19748439A1 New 1,6-di:substituted naphthalene derivatives, used as components of liquid crystal mixtures
05/06/1999DE19748438A1 New 1,1,6,7-tetra:fluoro-1,2,3,4-tetra:hydro-naphthalene derivatives, used as components of liquid crystal mixtures
05/06/1999DE19748437A1 New 6,7-di:fluoro-3,4-di:hydro-2H-naphthalene-1-one derivatives, used as components of liquid crystal mixtures
05/06/1999DE19748435A1 New 1,6,7-tri:fluoro-naphthalene derivatives, used as components of liquid crystal mixtures
05/06/1999DE19748432A1 New 2,3-di:fluoro-naphthalene derivatives, used as components of liquid crystal mixtures
05/06/1999DE19747894A1 Verwendung von Diolestern als Bausteine für strahlenhärtbare Beschichtungen Use of diol esters as building blocks for radiation coatings
05/05/1999CN1216035A Method for preparing substd. anthraguinone and application to preparation of rheins
05/05/1999CN1215731A Heterogeneous organotin catalysts
05/05/1999CN1215723A Process for manufacture of carotenoids
05/05/1999CN1043229C Beta-amimovinyl ketones and method for preparing same
05/04/1999US5900505 Reacting methanol, carbon monoxide and halide
05/04/1999US5900502 Fluorination process
05/04/1999US5900501 Process for the continuous production of aryl carbonates
05/04/1999US5900492 Reacting 1-alkoxycarbonyl-2-hydroxymethylcyclopropane-1-carboxylic acid with n-benzyl-a-phenylethylamine; salt formation
05/04/1999US5900489 Bromination
05/04/1999US5900472 Copolymerizable benzophenone photoinitiators
05/04/1999US5900466 Polyolefin-substituted dicarboxylic derivatives
05/04/1999US5900125 Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose
04/1999
04/29/1999WO1999020722A2 Fatty acids, soaps, surfactant systems, and consumer products based thereon
04/29/1999WO1999020684A1 Depolymerization process for recycling polyesters
04/29/1999WO1999020595A1 Method for cleaning system components
04/29/1999WO1999020590A1 Method of heterogeneous catalyzed vapor-phase oxidation of propane to acrolein and/or acrylic acid
04/29/1999WO1999020127A1 1-methylbutyl and 1-methylhexyl esters as flavoring agents and methods for preparing and using same
04/29/1999WO1998046706A8 Polyol and complex esters for use with, in particular, fluorinated refrigerants
04/29/1999DE19746688A1 Method for cleaning parts of plant used for producing and processing (meth)acrylic esters
04/29/1999DE19746667A1 Heterogeneous catalyzed gas phase oxidation of propane to acrolein and acrylic acid
04/28/1999EP0911324A1 Process for the preparation of chiral succinic acid derivatives
04/28/1999EP0911315A1 Beta-ketoester
04/28/1999EP0911314A1 Apoptosis inhibitor
04/28/1999EP0911311A1 Preparation of lycopene metabolites
04/28/1999EP0910561A1 Inhibitors of oleamide hydrolase
04/28/1999EP0910560A1 Process for preparing 2-aryl-substituted indenes
04/28/1999EP0910331A1 Oxa diacids and related compounds for treating skin conditions
04/28/1999EP0910328A1 Aqueous nacreous lustre concentrate
04/28/1999EP0655907B1 Use of diacylolycerols for increasing the melanin content in melanocytes
04/28/1999CN1215434A Enzymatic process stereoselective preparation of therapeutic amides
04/28/1999CN1215390A Substituted phenyl keto enols as pesticides and herbicides
04/28/1999CN1215355A Catalyst and process for the preparation of vinyl acetate
04/28/1999CN1215354A Honeycomb catalyst for vinyl acetate synthesis
04/28/1999CN1215353A Method of preparing a vinyl acetate catalyst employing an alkali metal borate
04/28/1999CN1215048A Vitamin A correlated compound and productive process thereof
04/28/1999CN1215047A Use of 'beta'-amino-vinyl ketone in preparation of 'beta'-diketone
04/27/1999US5896643 Method of working press die
04/22/1999WO1999019313A1 Novel tricyclic compounds and their use in medicine; process for their preparation and pharmaceutical compositions containing them
04/22/1999DE19746210A1 Production of acrolein and acrylic acid by heterogeneous catalyzed gas phase oxidation of propane
04/21/1999EP0909763A2 Colchicine derivatives and the therapeutical use thereof
04/21/1999EP0909752A1 Di(meth)acrylates
04/21/1999EP0909268A1 Method for preparing substituted anthraquinone and application to the preparation of rheins
04/21/1999EP0909213A1 Palladium-gold catalyst vinyl acetate production
04/21/1999EP0748208B1 Cosmetic and/or pharmaceutical preparations
04/21/1999EP0565607B1 Protection group, compoud protected by this group and device for grafting the protection group onto the compound being protected
04/21/1999CN1214678A Butadiene derivatives and process for preparing thereof
04/21/1999CN1214672A Dimethyl-substituted cyclohexane diene derivatives
04/21/1999CN1214671A Process for carbonylation of acetylenically unsaturated compounds
04/21/1999CN1214670A Method for preparing acetic acid and/or methyl acetate by methyl formate isomerisation
04/21/1999CA2251266A1 Beta-ketoester
04/20/1999CA2250627A1 Manufacture of a lycopene metabolite
04/15/1999WO1999018625A2 ESTER AS A SOLVENT IN ELECTROLYTE SYSTEMS FOR Li ION ACCUMULATORS
04/15/1999WO1999018062A1 Process for the purification of naphthalenedicarboxylic acid
04/15/1999DE19809532C1 Selective electrochemical carboxylation of terminal alkyne to 2-alkynoic acid
04/14/1999EP0908449A1 Preparation of carotenoids
04/14/1999EP0907634A1 Pesticides
04/14/1999EP0907632A1 Inhibition of matrix metalloproteases by substituted phenethyl compounds
04/14/1999EP0797563B1 Synthetic esters from alcohols and fatty acid mixtures of vegetable oils high in oleic acid and low in stearic acid
04/14/1999EP0754173B1 Method for purifying diacetyl rhein
04/14/1999EP0738254B1 ASYMETRIC HYDROGENATION OF BETA- or GAMMA-KETOESTERS AND BETA- or GAMMA-KETOAMIDES
04/14/1999CN1214087A Process for prepn. of tetraalkyl 1,2,3,4-butanetetracarbox-ylates
04/14/1999CN1214060A Polyetherester resins from diol diesters
04/14/1999CN1214042A Fused-ring carboxylic acid derivatives
04/14/1999CN1213663A Process for manufacture of chiral succinic acid derivatives of formula
04/13/1999CA1340496C Hydroxymethyl cyclobutyl purines
04/08/1999WO1999016849A1 Complex esters, formulations comprising these esters and use thereof