Class / Patent application number | Description | Number of patent applications / Date published |
560180000 | Polycarboxylic acid | 23 |
20080234510 | Method of Obtaining Polyoxygenated Organic Compounds - The invention relates to a method of obtaining polyoxygenated organic compounds. The inventive method is characterized in that it comprises the oxidation reaction of a diether, preferably an acetal, with an oxygen source, in the presence of: one or more radical initiating agents, one or more additives that generate a basic reaction medium, and one or more catalysts. | 09-25-2008 |
20110060157 | APPARATUS AND METHODS FOR CONTROLLED RADICAL POLYMERIZATION - A method of conducting controlled radical polymerization, including: (a) providing a mixture of at least one monomer; at least one monomer solvent; at least one compound metal coordinating capable; and at least one initiator; (b) directing the mixture at a rate over a solid catalyst surface contained in an external chamber to the vessel, the catalyst including a metal or metal compound capable of at least two oxidation states; (c) monitoring the reaction vessel temperature; (d) adjusting the flow rate when the temperature is outside a selected temperature range; and (e) allowing the polymerization to proceed to desired conversion level. | 03-10-2011 |
20120157708 | Process for the manufacture of sevoflurane - A process for the manufacture of Sevoflurane CF | 06-21-2012 |
20120277462 | Solventless Reaction Process - A process including reacting at least one organic acid with at least one compound of the formula R—OH, in the presence of an optional catalyst, in a reaction mixture wherein the reaction mixture is substantially free of solvent, to form a reaction product, wherein the reaction product is an ester of citric acid or an ester of tartaric acid; optionally, heating the reaction mixture; and optionally, isolating the reaction product. | 11-01-2012 |
20130023692 | POLYESTERIFICATION METHOD - A polyesterification method comprises steps of mixing, by combining N,N-dialkylformamide dialkyl acetal with a tin catalyst, so as to transfer an alkoxy group from the N,N-dialkylformamide dialkyl acetal to the tin catalyst to obtain a Sn coordination complex; and polymerization, by conducting a ring-opening polymerization of a ester under the catalysis of the Sn coordination complex, and finally to obtain a polyester compound; wherein, the chemical formula of the N,N-dialkylformamide dialkyl acetal is (RO) | 01-24-2013 |
20130310598 | Reactive Distillation of a Carboxylic Acid and a Glycol - Disclosed is a process for producing glycolate ester oligomers. The process comprises reacting ethylene glycol and glycolic acid to produce a stream of glycolate ester oligomers and glycolic acid oligomers while simultaneously removing water. The stream of glycolate ester oligomers and glycolic acid oligomers has a low concentration of water and glycolic acid-ends, and thus is useful in a subsequent hydrogenation reaction to produce ethylene glycol. | 11-21-2013 |
20130324759 | GAMMA-HYDROXYBUTYRATE COMPOSITIONS CONTAINING CARBOHYDRATE, LIPID OR AMINO ACID CARRIERS - The present invention provides compositions comprising at least one GHB moiety bonded to at least one physiologically compatible carrier molecule. The compositions can enhance the uptake of the drug, deliver effective therapeutic doses in a time-delayed fashion, or can target specific organs. | 12-05-2013 |
20130338395 | BIOMASS-RESOURCE-DERIVED POLYURETHANE, METHOD FOR PRODUCING SAME, AND BIOMASS-RESOURCE-DERIVED POLYESTER POLYOL - The invention relates to a method for producing a biomass-resource-derived polyurethane, which comprises: reacting a dicarboxylic acid and an aliphatic diol to produce a polyester polyol; and reacting the polyester polyol and a polyisocyanate compound, wherein the dicarboxylic acid contains at least one component derived from biomass resources, a content of an organic acid in the dicarboxylic acid is more than 0 ppm and not more than 1,000 ppm relative to the dicarboxylic acid, and a pKa value of the organic acid at 25° C. is not more than 3.7. | 12-19-2013 |
20140243547 | LINEAR (PER) FLUOROPOLYETHERS WITH -CF(CF3)COF END GROUPS AND DERIVATIVES THEREOF - The present invention relates to mono- or bi-functional (per)fluoropolyethers comprising a linear (per)fluoropolyether chain having two ends, wherein one or two ends contain —CF(CF | 08-28-2014 |
20140357887 | Process for Making Hybrid Polyester-Polyether Polyols - Hybrid polyester-polyether polyols are prepared by polymerizing an alkylene oxide in the presence of a carboxylate initiator. The polymerization is catalyzed with a mixture of double metal cyanide catalyst complex and certain magnesium, group 3-group 15 metal or lanthanide series metal compounds. | 12-04-2014 |
20150315117 | Polyester Polyols and Methods of Making and Using the Same - Polyester polyols are generally disclosed, including methods of making and using them. In some embodiments, the polyester polyols are incorporated into a block copolymer, such as a polyurethane block copolymer. In some embodiments, at least a portion of the polyurethane block copolymer is derived from a renewable source. | 11-05-2015 |
20160023189 | Diethyl Oxalate Catalysts - A highly effective catalyst for the preparation of diethyl oxalate using carbon monoxide using Pd/α-Al | 01-28-2016 |
560181000 | Unsaturation in acid moiety | 3 |
20090312573 | POSITIVE RESIST COMPOSITION, METHOD OF FORMING RESIST PATTERN, POLYMERIC COMPOUND, AND COMPOUND - A compound represented by general formula (I) shown below; and a polymeric compound having a structural unit (a0) represented by general formula (a0-1) shown below: | 12-17-2009 |
20150321992 | TRIACYLGLYCEROL OLIGOMERS - This application relates to triacylglycerol oligomers derived from the metathesis of natural oils. These oligomers are structure controlled dimers and quatrimers, and the effect of saturation, molecular size, and positional isomerization are also described herein. | 11-12-2015 |
20150361463 | METHODS, REAGENTS AND CELLS FOR BIOSYNTHESIZING COMPOUNDS - This document describes biochemical pathways for producing 2,3-dehydroadipyl-CoA methyl ester from precursors such as 2-oxoglutarate using one or more of a fatty acid O-methyltransferase, a thioesterase, a CoA-transferase and a CoA ligase, as well as recombinant hosts expressing one or more of such enzymes. 2,3-dehydroadipyl-CoA methyl ester can be enzymatically converted to adipyl-CoA using a trans-2-enoyl-CoA reductase, and a methylesterase, which in turn can be enzymatically converted to adipic acid, 6-aminohexanoate, 6-hydroxyhexanoate, caprolactam, hexamethylenediamine, or 1,6-hexanediol. | 12-17-2015 |
560182000 | Polyoxy alcohol moiety | 8 |
20100016628 | Polyester Polyol - A star-branched polyester polyol is obtained by polymerizing lactide or lactic acid, using, as an initiator, a fat and oil composed mainly of a triacylglycerol that has at least three hydroxyl groups or epoxy groups in its molecule. This polyester polyol has low crystallinity and a low melting point, and thus shows good working properties when used in various applications. Furthermore, this polyester polyol is derived from renewable resources, and, thus, it is highly desirable in view of its effectiveness in protecting the global environment and preventing fossil resources from being depleted. | 01-21-2010 |
20110124905 | PROCESS FOR PREPARING PLASTICS USING 1,6-HEXANEDIOL HAVING AN ALDEHYDE CONTENT OF LESS THAN 500 PPM - The present invention relates to a process for preparing plastics using 1,6-hexanediol having an aldehyde content of less than 500 ppm, a process for preparing 1,6-hexanediol having an aldehyde content of less than 500 ppm and also 1,6-hexanediol having an aldehyde content of less than 500 ppm. | 05-26-2011 |
20120136169 | POLYOLS MADE FROM PARTIALLY-EPOXIDIZED, FULLY-HYDROGENATED FATTY ACID ALKYL ESTERS - A method is described for producing polyester polyols by partially-epoxidizing fatty acid alkyl esters having an iodine value from 90 to 190 g I2/100 grams, fully-hydrogenating the partially-epoxidized esters to form hydroxylated fatty acid alkyl esters, and then reacting the hydroxylated fatty acid alkyl esters with a multifunctional ester-reactive initiator compound to form the polyester polyol. | 05-31-2012 |
20120190883 | PROCESS FOR PREPARING POLYOL ESTERS - The present invention relates to a process for preparing polyol esters by reacting polyols with linear or branched aliphatic monocarbocxylic acids having 3 to 20 carbon atoms, the reaction taking place in the presence of a Lewis acid comprising at least one element from groups 4 to 14 of the Periodic Table of the Elements as catalyst, and in the presence of an adsorbent, the reaction product being subjected subsequently to a steam treatment. | 07-26-2012 |
20120264969 | POLYALKYLENE GLYCOL ESTER INTERMEDIATE TRANSFER MEMBERS - An intermediate transfer member includes a mixture of a polyimide, a polyalkylene glycol ester, an optional polysiloxane, and an optional conductive filler component. | 10-18-2012 |
20140135522 | BLENDED OIL COMPOSITIONS USEFUL AS DIELECTRIC FLUID COMPOSITIONS AND METHODS OF PREPARING SAME - In the present invention, compositions that are suitable for use as dielectric fluids are obtained from renewably sourced oils, and blends thereof. Renewably sourced synthetic esters as described herein are prepared using components obtained from natural or biologic feedstocks, wherein the feedstocks can be regenerated via conventional farming techniques. Dielectric fluids that can meet the industry standards are obtained using a process of combining appropriate percentages of components selected from synthetic polyol esters, natural oils, and mineral oil to customize the properties of the dielectric fluid obtained. Some of the properties that can be manipulated in the practice of the present invention include: electrical strength, resistivity, impulse strength, dissipation factor, permittivity, specific heat, thermal conductivity, chemical stability, gas absorption, pour point, viscosity, volatility, flash and fire point, and biodegradability. | 05-15-2014 |
20140142335 | ESTER RESIN COMPOSITIONS - A composition including one or more ester resins useful for various applications is disclosed. For example, the composition including one or more ester resins may function as a component that is incorporated into an ink composition. | 05-22-2014 |
20150080599 | METHOD FOR THE PRODUCTION OF ESTERS AND USES THEREOF - Alkyl esters (butyl, hexyl, or other) of full composition palm fatty acids, palm fatty acid distillates (PFAD), and palm kernel fatty acid distillates (PKFAD) can be used to generate polyurethane and lubricant products. The alkyl esters of the present invention can be produced via ozonolysis. The improved method for producing alkyl esters includes reacting at least one substance having at least one carbon-to-carbon double bond with ozone in the presence of least one monoalcohol that azeotropes with water. In particular, the method may comprise reacting with at least one first mole of ozone and at least one second mole of ozone, and further comprises refluxing before addition of the second mole of ozone. | 03-19-2015 |