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| Number | Title | Issue Date |
| 8436201 | Functionalized diphenolics and absorbable polymers therefrom The present invention relates to dephenolic compounds, an example of which is shown below, which are functionalized, and polymers formed from the same. Polymers formed from the functionalized diphenolics are expected to have ... | 05/07/2013 |
| 8183405 | Obovatol derivatives or pharmaceutically acceptable salts thereof, preparation method thereof and pharmaceutical composition for the prevention and treatment of cancer containing the same as an active ingredient Disclosed herein are novel obovatol derivatives represented by Chemical Formula 1, and pharmaceutically acceptable salts thereof. Having the ability to inhibit the growth of cancer cells and induce apoptosis in cancer cells, the derivatives or pharmaceutically accep... | 05/22/2012 |
| 7728166 | Process for the production of metal salts of trifluoromethane sulphonic acid and their use as esterification catalysts The subject matter of the invention is a process for the production of metal salts of trifluoromethane sulphonic acid by reacting trifluoromethane sulphonic acid with a metal alcoholate and the use thereof as esterification catalyst and/or transesterification cataly... | 06/01/2010 |
| 7595421 | Tripentyl citrates and their use A tripentyl citrate having an optionally acylated, preferably acetylated, OH group, a process for making the tripentyl citrate, and the use of the tripentyl citrate as a plasticizer for plastics. ... | 09/29/2009 |
| 7358384 | Processes for the recovery of optically active diacyltartaric acids When a salt of an amine and an optically active diacyltartaric acid, or a diastereomer salt of an optically active amine and an optically active diacyltartaric acid, obtained by optically resolving a racemic amine using the optically active diacyltartaric acid, is s... | 04/15/2008 |
| 7217833 | Carboxylic acid compounds for use as surfactants Compounds of formula (I) or a salt or solvate thereof, wherein: x represents 0 or 1; y represents 0 or 1; R1 and R2 independently represent —C1-... | 05/15/2007 |
| 7196235 | Process for producing fluorinated vinyl ether There is provided a process for producing a fluorinated vinyl ether from a fluorinated acid fluoride compound having an ester group as a precursor of a carboxylic acid group, or a SO2F group as a precursor of a sulfonic acid group, in high yield by simple... | 03/27/2007 |
| 7186856 | Process for preparing carboxylic acids and derivatives thereof Processes for preparing carboxylic acids and derivatives thereof in which an ammonium salt of the carboxylic acid is heated in the presence of an organic reagent to split the salt and form the acid or, where the organic reagent is an esterifying agent, the correspon... | 03/06/2007 |
| 7166654 | Ester compound, plasticizer for biodegradable aliphatic polyester resin, and biodegradable resin composition An ester compound represented by formula (1) R1OOC—(CH2)m—COOR2   (1) wherein R1 and R2 are different from each other and each represents a group of formula (2) â... | 01/23/2007 |
| 6888021 | Hydrogenation of benzenepolycarboxylic acids or derivatives thereof using a catalyst containing macropores A process for producing plasticizers in which a phthalic acid having the CAS Nos. 111381-89-6, 111381-90-9, 111381-91-0, 68515-44-6, 68515-45-7 and 3648-20-7, the formed plasticizers and a method of increasing the plasticity of a plastic product. ... | 05/03/2005 |
| 6818244 | Diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids The invention provides baked products incorporating a mixture comprising diacetyl tartaric acid esters on mono- and diglycerides based on C12 to C22 fatty acids, wherein the mixture contains diacetyl tartaric acid glycerol monoesters that contain: ... | 11/16/2004 |
| 6660886 | Amphiphilic lubricants for magnetic media A magnetic recording medium including a lubricant topcoat having increased bonding to the medium surface comprises an amphiphilic lubricant molecule having a hydrophilic central portion including a plurality of polar functional groups bound to the medium ... | 12/09/2003 |
| 6642278 | Diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids A mixture contains diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids or comprises diacetyl tartaric acid glycerol monoesters containing: (A) one fatty acid group, one diacetylated tartaric acid monoester group and a f... | 11/04/2003 |
| 6635299 | Diacetyl tartaric acid esters on mono- and diglycerides based on C12 to C22 fatty acids and succinic acid esters of mono-diglycerides based on C12 to C22 fatty acids The invention provides a mixture comprising esters selected from the group consisting of diacetyl tartaric acid esters of mono- and diglycerides based on C12 to C22 fatty acids and succinic acid esters of mono- and diglycerides based on C12 to C22 fatty a... | 10/21/2003 |
| 6627768 | Process for recovery of acid The invention provides a process for the conversion of an extracted carboxylic acid to a non-ionized derivative thereof, comprising contacting a carboxylic acid containing aqueous solution with a water-insoluble amine solvent, to recover acid therefrom an... | 09/30/2003 |
| 6620964 | Preparation of dihydroxycarboxylic esters in the absence of solvents A description is given of a process for preparing dihydroxycarboxylic esters and of an overall process for preparing R-(+)--lipoic acid.... | 09/16/2003 |
| 6559243 | Glyoxylic compound comprising one or more active ingredient The present invention relates to glyoxylic compound comprising one or more active ingredient. By the present invention, a delayed release of the active ingredient is provided upon contact of the compound with an aqueous medium.... | 05/06/2003 |
| 6492550 | Alpha-substituted thio, -oxo trifluoromethylketones as phospholipase inhibitors Inhibitors of the cytosolic phospholypase A2 enzymes are provided which are of use in controlling a wide variety of inflammatory diseases. The inhibitors of the present invention have the general formula ##STR1## where X, Z, X1, R1, ... | 12/10/2002 |
| 6465680 | Process for preparing malonate derivatives or ଲ-keto esters from epoxide derivatives A process for preparing a malonic acid monoester or ଲ-ketoester from an epoxide includes the steps of reacting an epoxide with carbon monoxide and an alcohol in the presence of a catalytic amount of a cobalt compound and at least one promoter to pro... | 10/15/2002 |
| 6417389 | Process for the preparation of HPB esters This invention relates to a novel advantageous process for the stereoselective preparation of 2-hydroxy-4-phenylbutyrates (HPB esters) and of their precursors. This is done by starting from readily accessible -unsaturated -hydroxy-γ-keto es... | 07/09/2002 |
| 6417391 | Process for the preparation of 2-methyl-1,3-dicarboxylates A process for the preparation of a 2-methyl-1,3-dicarboxylate by reaction of a 1,3-dicarboxylate with formaldehyde and hydrogen, where, based on 1 mol of dicarboxylate, from 1.0 to 2.0 mol of formaldehyde are used, and either the reaction mixture or 2-hyd... | 07/09/2002 |
| 6407282 | Process for producing monoester from dicarboxylic acid fluoride Monoester monoacid fluoride of dicarboxylic acid is produced by allowing dicaroxylic acid fluoride represented by the following general formula: FOCCF(CF3)OCF2 (A)p(CF2)qCOF where A is a bifunctional perfluorinated group having 1 to... | 06/18/2002 |
| 6403825 | Processes for producing citrate esters Described are processes for producing citrate esters in, an economic fashion. Esters are prepared by esterification of a citric acid-containing fermentation broth having been treated to remove cations and optionally other impurities, but containing sugar(... | 06/11/2002 |
| 6395713 | Compositions for the delivery of negatively charged molecules This invention features permeability enhancer molecules, and methods, to increase membrane permeability of negatively charged polymers thereby facilitating cellular uptake of such polymers.... | 05/28/2002 |
| 6365541 | Alkoxylation catalyst An alkoxylation catalyst is prepared by a) reaction of one mol of a dicarboxylic acid with from 1.5 to 8 mol of an alkoxylated alcohol to form the corresponding dicarboxylic monoester, b) formation of an alkaline earth metal salt of the dicarboxylic monoester ... | 04/02/2002 |
| 6359165 | Asymmetric hydrogenation of ଲ-keto esters Enantiomerically pure ଲ-hydroxy esters are prepared by a process in which ଲ-keto esters are reacted with hydrogen in the presence of catalysts of the formula LRuX2 where X is halogen, acetate, allyl, methallyl, 2-phenylallyl, perchlorate... | 03/19/2002 |
| 6316505 | Pharmaceutical compositions comprising fluorinated co-polymers Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C11 H23 --CONHC2 H4 NHC... | 11/13/2001 |
| 6310233 | Pressure ethoxylation in dense gases to produce hydroxyalkyl ester monomer A pressure process for preparing a hydroxyalkyl ester monomer and oligomer that can be used to prepare a polyester such as polyethylene terephthalate (PET) is disclosed. The process includes the steps of reacting, by ethoxylation, dicarboxylic acid and al... | 10/30/2001 |
| 6300511 | Catalyzed fluorination of carbonyl compounds The present invention provides a method of substituting a carbonyl compound with fluorine at the -position, comprising reaching the carbonyl compound with a fluorinating present of a metal-containing catalyst. The reaction results in replacement of... | 10/09/2001 |
| 6255262 | High hydroxyl content glycerol di-esters A process for reproducibly forming a thermally and oxidatively stable high hydroxyl glycerol di-ester compound which is particularly useful as a lubricant. The glycerol di-ester compound is formed by reacting a glycidyl ester with an excess of a neo acid ... | 07/03/2001 |
| 6235702 | Aqueous nacreous lustre concentrate A concentrated aqueous pearlescent composition containing: (a) from 1 to 99.9% by weight of an ester formed by reacting a hydroxy-functionalized carboxylic acid with a fatty alcohol containing from 6 to 22 carbon atoms; (b) from 0.1 to 90% by weight of an... | 05/22/2001 |
| 6229042 | Process for the preparation of enantiomerically pure 3-hydroxyoctanedioic acid diesters by asymmetric catalytic hydrogenation The invention relates to a process for the preparation of compounds of the general formula I ##STR1## in which R1 and R2 are identical or different and are a C1 -C20 -alkyl group, C3 -C12 -... | 05/08/2001 |
| 6184376 | Synthesis of acyclic nucleoside derivatives Methods and novel intermediates of the formula: ##STR1## wherein R6 and R7 are lower alkyl or benzyl or R6 and R7 taken together are --CH2 CH2 --, --CH2 CH2 CH2 | 02/06/2001 |
| 6127517 | Polymerization of hexafluoropropene oxide Before hexafluoropropene oxide (HFPO) is polymerized in a polymerization initiator solution of a polymerization initiator of the formula: CSOCF2 --Rf--CF2 OCs wherein Rf is a perfluoroalkylene group which may have an ether bond in an... | 10/03/2000 |
| 6107286 | Lipopolyamines as transfection agents and pharamaceutical uses thereof Cationic lipids of general formula (I), wherein m is an integer from 2 to 6 inclusive; n is an integer from 1 to 9 inclusive, preferably 1-5, where, when n is 2-9, a single R grouping other than hydrogen is present in the general formula, and m has variab... | 08/22/2000 |
| 6090950 | Chiral hydride complexes Novel chiral boron and aluminum hydride complexes, compositions comprising the chiral hydride complexes, and methods for their synthesis and use are described. The novel chiral hydride complexes are of the formulas: MBH4-n-a (R*)n (R') | 07/18/2000 |
| 5919973 | Process for the polymerization of hexafluoropropene oxide The invention provides a process for polymerizing hexafluoropropene oxide in a polymerization initiator solution to produce a fluorinated polyether. The initiator solution contains a polymerization initiator of the formula: CSOCF2 -Rf-CF2 | 07/06/1999 |
| 5919969 | Synthesis of yellow couplers The invention provides a method of synthesis of a image-dye forming coupler of formula (I) ##STR1## wherein X is a substituent linked to the coupler by an atom of oxygen, sulfur or nitrogen R1 is an alkyl or aryl group, R2 is a ... | 07/06/1999 |
| 5892071 | Cationic transport reagents For use in transporting biologically active species into and through membrane barriers, a symmetrical cationic diamine compound having the general structure ##STR1## wherein m=1-10; R1 is a hydrogen, an alkyl group, an alkenyl group, a ... | 04/06/1999 |
| 5886193 | Homocyclic and heterocyclic compounds suitable for use in oligonucleotide synthesis A support carrying a homocyclic or heterocyclic ring containing a first and second carbon atom wherein: (i) the first carbon atom is substituted by a nucleophilic group or a group convertible to a nucleophilic group on treatment with base; (ii) the second... | 03/23/1999 |
