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| Number | Title | Issue Date |
| 8119839 | Carboxylic acid and antidepressant composition containing the same as active ingredient The present invention provides a novel compound and antidepressant composition that can be effectively used for improving depressed mood and depressed state, particularly for depressed mood and depressed state in menopausal women. The compound of the present inventi... | 02/21/2012 |
| 7943798 | Process for preparing metal salts of unsaturated, short-chain carboxylic acids and use thereof The present invention relates to the use of metal compounds of unsaturated, short-chain carboxylic acids. The invention also relates to a method for preparing metal compounds of unsaturated, short-chain carboxylic acids by reaction of said acids with a metal alcohol... | 05/17/2011 |
| 7902399 | Fatty acids analogous The present invention relates to novel fatty acid analogous of the general formula (I): R1—[xi—CH2]n—COOR2 wherein R1 is: a C6-C24 alkene with one or more double bonds and/... | 03/08/2011 |
| 7723541 | Process for manufacturing high purity methacrylic acid A process is provided herein for the high yield production of high purity glacial methacrylic acid (“HPMAA”) that is substantially pure, specifically 99% pure or greater, with water content of 0.05% or less and low levels of other impurities, including HIBA, acr... | 05/25/2010 |
| 7667074 | Method for regenerating catalyst for the production of methacrylic acid and process for preparing methacrylic acid A catalyst for the production of methacrylic acid comprising a heteropolyacid compound containing phosphorus and molybdenum is regenerated by a method comprising the steps of drying a mixture containing a deactivated catalyst, an ammonium ion, a nitrate ion and wate... | 02/23/2010 |
| 7414150 | Method for purifying (meth)acrylic acid A method for purifying a crude (meth)acrylic acid obtained by a vapor phase catalytic oxidation method, characterized in that the crude (meth)acrylic acid having most parts of water and acetic acid removed therefrom, is fed to and distilled in a first distillation c... | 08/19/2008 |
| 7396957 | Process for producing (meth)acrylic acids and process for distilling the same In the stopping and starting operations of a distillation column used for producing (meth)acrylic acids according to the present invention, upon stopping the operation of the distillation column, the heating of a reboiler attached thereto is interrupted and then the... | 07/08/2008 |
| 7385078 | Energy-curable composition for making a pressure sensitive adhesive An energy-curable polymer-forming composition for making a pressure sensitive adhesive includes an unsaturated oligomer resin and an adhesive promoter which increases the peel strength of the adhesive without reducing its tack. The composition also includes a tackif... | 06/10/2008 |
| 7381839 | Method for producing acrylic acid The objective of the present invention is to provide method for acrylic acid in which a generation of polymerized substance is prevented while acrylic acid is stored in a storage tank. A method of the present invention for producing acrylic acid, comprising storing ... | 06/03/2008 |
| 7338579 | Dewatering process A formaldehyde-containing product is separated from a formalin solution containing formaldehyde, water, and methanol by distilling in the presence of a water entraining compound, especially methyl propionate or methyl methacrylate. The product contains substantially... | 03/04/2008 |
| 7332624 | Method for production of acrylic acid A method for the production of acrylic acid comprises (i) a step for introducing a polymerization inhibitor to a stage other than a stage for supplying a raw material and a stage for supplying a reflux of said distilling column or (ii) a step for supplying the acryl... | 02/19/2008 |
| 7326550 | Yeast strains for the production of lactic acid Yeast strains transformed with at least one copy of a gene coding for lactic dehydrogenase (LDH) and further modified for the production of lactic acid with high yield and productivities, are described. ... | 02/05/2008 |
| 7307178 | Processes of making γ,δ-unsaturated carboxylic acid and silyl ester thereof, carboxyl group-containing organosilicon compound and process of making A γ,δ-unsaturated carboxylic acid silyl ester is prepared by reacting an α,β-unsaturated carboxylic acid ester with a hydrosilane or hydrosiloxane in the presence of tris(pentafluorophenyl)borane. γ,δ-Unsaturated carboxylic acid derivatives are readily prepare... | 12/11/2007 |
| 7304176 | Process for producing easily polymerizable substance It is an object of the present invention to provide a process for producing easily polymerizable substance, which can realize stable operation of a purification system, and can stably maintain a production amount by avoiding production stoppage, upon production of a... | 12/04/2007 |
| 7301052 | Process for producing perfluorodiacyl fluorinated compounds The present invention provides a process for producing compounds useful as raw materials for various fluororesins in high yields in few steps from inexpensive and readily available starting materials. The following compound (1) and the following compound (2) ... | 11/27/2007 |
| 7291690 | Process for production of living radical polymers and polymers A process for producing a living radical polymer characterized in that a vinyl monomer is polymerized with use of a living radical polymerization initiator represented by the formula (1) and a compound represented by the formula (2), and the living radical polymer o... | 11/06/2007 |
| 7285514 | Method for preparing catalyst for partial oxidation of acrolein The present invention relates to a method for preparing a catalyst for partial oxidation of acrolein, particularly to a method for preparing a catalyst for partial oxidation of acrolein that has a superior acrolein conversion rate, acrylic acid activity, selectivity... | 10/23/2007 |
| 7282584 | Methylene blue Composition comprising a polymerizable compound with at least one conjugated unsaturated group and methylene blue to prevent premature polymerization of the polymerizable compound. The methylene blue is present in a concentration of 10 to 5000 ppm. ... | 10/16/2007 |
| 7268254 | Preparation of (meth)acrolein and/or (meth)acrylic acid by heterogeneously catalyzed partial oxidation of C3 and/or C4 precursor compounds in a reactor having thermoplate modules A process is proposed for partial oxidation oxidation in the gas phase of C3 and/or C4 precursor compounds to (meth)acrolein and/or (meth)acrylic acid in the presence of a heterogeneous particulate catalyst in a reactor having one ... | 09/11/2007 |
| 7265154 | Valproic acid and derivatives thereof as histone deacetylase inhibitors The present invention relates to the use of the drug valproic acid and derivatives thereof as inhibitors of enzymes having histone deacetylase activity. The invention also relates to the use of those compounds for the manufacture of a medicament for the treatment of... | 09/04/2007 |
| 7253310 | Preparation of (meth)acrylic acid A process for preparing (meth)acrylic acid by heterogeneously catalyzed gas phase partial oxidation of a saturated hydrocarbon precursor compound, in which the charging gas mixture contains from 5 to 25% by volume of steam and the molar ratio of molecular oxygen pre... | 08/07/2007 |
| 7241919 | Storage tank for easily polymerizable compound and method of storage The storage tank of the invention for an easily polymerizable compound is a storage tank having an acceptance piping and a delivery piping and is characterized by having a circulation line which directly connects the acceptance piping to the delivery piping or havin... | 07/10/2007 |
| 7220879 | Method for inhibiting polymerization of (meth)acrylic acid and its esters using an inhibitor and a process for making a compound useful as such an inhibitor This invention relates to a method for inhibiting polymerization of (meth)acrylic acid and its esters using a polymerization inhibitor which comprises at least one reduced halide-content azine dye-based compound. A process for producing reduced halide-content azine ... | 05/22/2007 |
| 7217829 | Zinc acrylate and method for production thereof Zinc acrylate excelling in flowability is provided. It is produced by a method, characterized by dispersing zinc oxide in any of (a) an aliphatic hydrocarbon solvent, (b) a mixed solvent formed between an aliphatic hydrocarbon solvent and an aromatic hydrocarbon sol... | 05/15/2007 |
| 7205429 | Method for disposal of waste from acrylic acid process and acrylic ester process This invention is providing a method for efficient treatment of the waste material from a process for production of acrylic acid and an acrylic ester. This is a method for the disposal of waste material, which at least one waste material selected from the group cons... | 04/17/2007 |
| 7183428 | Method for production of acrylic acid A method for producing acrylic acid by using an acrylic acid-containing solution of high concentration without azeotropic distillation is provided. This method of producing acrylic acid comprises introducing an acrylic acid-containing gas obtained by catalytic gas p... | 02/27/2007 |
| 7183427 | Process for the production of metal salts of radical-polymerizable compounds A method for manufacturing metal salts of radical-polymerizable compounds with reduced amount of water in the below-mentioned component (A) by subjecting an aqueous solution of an alkali-metal salt, alkali earth-metal salt, or a zinc salt of the radical-polymerizabl... | 02/27/2007 |
| 7179875 | Method for producing water-absorbent resins In a process for preparing water-absorbent resins based on acrylic acid, crude acrylic acid is firstly isolated from the reaction gases from the catalytic gas-phase oxidation of propane, propylene and/or acrolein. This is treated with an aldehyde scavenger and pure ... | 02/20/2007 |
| 7173149 | Process for preparing alkynecarboxylic acids by oxidation of alkyne alcohols A process for preparing alkynecarboxylic acids includes the oxidation of an alkyne alcohol with a hypohalite in the presence of a nitroxyl compound at a pH of greater than 7 with continual addition of the alkyne alcohol and of the hypohalite to the reaction mixture.... | 02/06/2007 |
| 7157598 | Method for producing an aqueous alkali acrylate solution A process prepares an aqueous alkali metal acrylate solution by distillatively removing acrylic acid from a mixture as vapors and taking up the vapors immediately from the gas phase into an aqueous alkali solution. ... | 01/02/2007 |
| 7157599 | Method of producing α,β-unsaturated carboxylic acid compounds There is disclosed a method of producing α,β-unsaturated carboxylic acid of formula (3) wherein R1 denotes a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, an alkenyl group or an alk... | 01/02/2007 |
| 7144557 | Multitube reactor, vapor phase catalytic oxidation method using the multitube reactor, and start up method applied to the multitube reactor A multitube reactor, wherein tubes having smaller tolerance between a nominal size and actual sizes are used as reaction tubes to stably perform a high yield reaction for a long period, a catalyst is filled into the reaction tubes so that the catalyst layer peak tem... | 12/05/2006 |
| 7135594 | Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof There is provided a method for preventing clogging in an apparatus for handling (meth)acrylic acid or esters thereof which is capable of inhibiting occurrence of clogging in nozzles or conduits connected to a gas-phase portion of the apparatus and ensuring a stable ... | 11/14/2006 |
| 7132286 | Method for neural stem cell differentiation using valproate The present invention relates to a method for differentiating a neural stem cell into a neuronal cell such as a neuroblast or neuron in vitro or in vivo. Particularly, the invention provides for a method for neural stem cell differentiation by contacting the neural ... | 11/07/2006 |
| 7129195 | Heterogenically catalysed gas-phase partial oxidation method for precursor compounds of (meth)acrylic acid The invention relates to a method for the heterogenically catalyed gas-phase partial oxidation of precursor compounds of (meth)acrylic acid in a fixed catalyst bed, containing as the catalyst an activated mass of mixed oxide, shaped to form a geometric body. Said ge... | 10/31/2006 |
| 7112695 | Method for the purification of a crude acrylic acid melt In a process for the purification of a crude acrylic acid melt, the crude acrylic acid melt is converted, under the action of low temperatures, into a crude acrylic acid suspension consisting of acrylic acid crystals and residual melt, and the acrylic acid crystals ... | 09/26/2006 |
| 7109328 | Method for producing acrylic acid A process for the fractional condensation of a hot gas mixture which as well as acrylic acid contains at least one further condensable component in a column in the presence of at least one stabilizer comprises metering in at least a portion of the at least one stabi... | 09/19/2006 |
| 7094921 | Method for storing (meth)acrylic acid or (meth)acrylic esters There is provided a method for storing (meth)acrylic acid or (meth)acrylic esters in a storage tank for receiving or discharging the (meth)acrylic acid or (meth)acrylic esters, which is capable of storing the (meth)acrylic acid or (meth)acrylic esters for a long per... | 08/22/2006 |
| 7091377 | Multimetal oxide materials A multimetal oxide material contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and promoters and has a specific X-ray diffraction pattern. Moreover, such a multimetal oxide material is used as a catalyst for heterogene... | 08/15/2006 |
| 7067610 | Method for producing polycarbonate An integrated method for producing aromatic polycarbonate, including the steps of: (1) making a liquid mixture of acetone and diphenylcarbonate; (2) transporting the liquid mixture of step (1) to a polycarbonate production plant; | 06/27/2006 |
