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Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7902386 | Method for the depolymerization of mixtures that contain mono-and/or diesters of polytetrahydrofurane The present invention provides a process for depolymerizing mixtures comprising mono- and/or diesters of polytetrahydrofuran in the presence of an acidic catalyst and of a C1- to C3-alcohol at temperatures of from 80 to 200° C. and a pressure ... | 03/08/2011 |
| 7598404 | Process for the production of ethers A process for the production of an ether optionally with a diol and/or a lactone, by reaction of a corresponding organic feed material selected from unsaturated dicarboxylic acids and/or anhydrides, mono-esters of unsaturated dicarboxylic acids and/or anhydrides, di... | 10/06/2009 |
| 7271299 | Two-stage method for producing butanediol with intermediated separation of succinic anhydride Optionally alkyl-substituted 1,4-butanediol is prepared from C4-dicarboxylic acids and/or of derivatives thereof by: a) a gas stream of the C4-dicarboxylic acid or the derivative thereof in a first reactor in ... | 09/18/2007 |
| RE39794 | Process for the simultaneous production of maleic anhydride and its hydrogenated derivatives A process is described for the co-production of maleic anhydride and at least one C4 compound selected from butane-1,4-diol, γ-butyrolactone, and tetrahydrofuran in which maleic anhydride is produced by partial oxidation of a hydrocarbon feedstock select... | 08/21/2007 |
| 7214641 | Catalyst and hydrogenation of carbonyl compounds in the liquid phase using the catalyst The present invention provides a process for hydrogenating carbonyl compounds, in particular C4-dicarboxylic acids to mixtures of tetrahydrofuran and gamma-butyrolactone, over supported rhenium catalysts, wherein rhenium and at least one further metal of ... | 05/08/2007 |
| 7193091 | Method for the simultaneous production of tetrahydrofurans and pyrrolidones A process for coproducing alkyl-substituted or unsubstituted THF and pyrrolidones by catalytically hydrogenating C4-dicarboxylic acids and/or derivatives thereof in the gas phase in the presence of copper catalysts and reacting GBL with ammonia or primary amines to ... | 03/20/2007 |
| 6989455 | Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol In the process for the conversion of maleic acid to gamma-butyrolactone, 1.4-butanediol and/or tetrahydrofuran, a feedstream comprising maleic acid is hydrogenated in a first hydrogenation zone to produce a reaction product comprising succinic acid and unreacted hyd... | 01/24/2006 |
| 6963016 | Process for the synthesis of highly active modified carbon supported palladium catalyst The present invention relates to a process for the synthesis of highly active modified carbon supported palladium catalyst by simultaneously impregnating activated carbon with a palladium precursor and an aluminium precursor. The carbon supported palladium catalyst ... | 11/08/2005 |
| 6958404 | Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor C4-dicarboxylic acids or derivatives thereof are hydrogenated in the gas phase in a fluidized-bed reactor. It is possible to use catalyst compositions known per se. ... | 10/25/2005 |
| 6936727 | Process for the production of ethers, typically thf A process is described for the production of ethers, typically terahydrofuran, by reaction of a corresponding organic feed material selected from dicarboxylic acids and/or anhydrides, monoesters of dicarboxylic acids and/or anhydrides, diesters of dicarboxylic acids... | 08/30/2005 |
| 6888011 | Porous catalyst for the hydrogenation of maleic anhydride to tetrahydrofuran A hydrogenation catalyst which is suitable, in particular, for the hydrogenation of maleic anhydride and its derivatives to THF or its derivatives comprises copper oxide and at least one further metal or compound thereof, preferably an oxide, selected from the group... | 05/03/2005 |
| 6844452 | Process for the co-production of aliphatic diols and cyclic ethers A process for the co-production of a diol product (e.g. butane-1,4-diol) and a cyclic ether (e.g. tetrahydrofuran) by hydrogenation of an aliphatic diester or lactone feedstock (e.g. dimethyl or diethyl maleate), which contains a minor amount of acidic material, suc... | 01/18/2005 |
| 6831182 | Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones The present invention relates to a process for the gas-phase hydrogenation of C4-dicarboxylic acids and/or their derivatives over a catalyst based on copper oxide to give substituted or unsubstituted γ-butyrolactone and/or tetrahydrofuran, which comprise... | 12/14/2004 |
| 6756501 | Manufacture of 3-methyl-tetrahydrofuran from alpha-methylene-gamma-butyrolactone in a single step process Disclosed is a single step continuous hydrogenation process for the preparation of 3-methyl-tetrahydrofuran from alpha-methylene-gamma-butyrolactone, in the presence of a catalytic metal. ... | 06/29/2004 |
| 6730800 | Method for the production of tetrahydrofuran Unsubstituted or alkyl-substituted THF is obtained by catalytic hydrogenation in the gas phase of C4-dicarboxylic acids and/or their derivatives using a catalyst comprising | 05/04/2004 |
| 6700003 | Process for producing a saturated cyclic ether A method for producing a saturated cyclic ether from a fatty acid ester of an , δ-diol stably in high yield over a long period of time, is presented. It is a process for producing a saturated cyclic ether, which comprises reacting a mono- and/or d... | 03/02/2004 |
| 6673946 | Manufacture of 3-methyl-tetrahydrofuran from 2-methyl-gamma-butyrolactone Disclosed is a hydrogenation process for the preparation of 3-methyl-tetrahydrofuran from 2-methyl-gamma-butyrolactone. The above process enables the production of the objective highly pure 3-methyl-tetrahydrofuran free from alcohol in high efficiency and... | 01/06/2004 |
| 6670490 | Platinum-rhenium-tin catalyst for hydrogenation in aqueous solution An improved catalyst of platinum, rhenium and tin with an inert support used for hydrogenation of an hydrogenatable precursor in an aqueous solution and a method for using the catalyst in the production of tetrahydrofuran and 1,4-butanediol from such a hy... | 12/30/2003 |
| 6670300 | Textured catalysts, methods of making textured catalysts, and methods of catalyzing reactions conducted in hydrothermal conditions A textured catalyst having a hydrothermally-stable support, a metal oxide and a catalyst component is described. Methods of conducting aqueous phase reactions that are catalyzed by a textured catalyst are also described. The invention also provides method... | 12/30/2003 |
| 6664402 | Manufacture of 3-methyl-tetrahydrofuran from alpha-methylene-gamma-butyrolactone in a two step process Disclosed is a two-step, continuous hydrogenation process for the preparation of 3-methyl-tetrahydrofuran from alpha-methylene-gamma-butyrolactone, which comprises a first step of subjecting alpha-methylene-gamma-butyrolactone to hydrogenation to syn... | 12/16/2003 |
| 6566539 | Catalyst regeneration by treatment with an oxidizing agent A process for the production of tetrahydrofuran, gamma butyrolactone, 1,4-butane diol and the like from a hydrogenatable precursor such as maleic acid, succinic acid, corresponding esters and their mixtures and the like in the presence of hydrogen and a n... | 05/20/2003 |
| 6521765 | Process for the preparation of 3-methyltetrahydrofuran Disclosed is a process for the preparation of 3-methyltetrahydrofuran (MeTHF) from 3-(hydroxymethyl)tetrahydrofuran (HOMeTHF) by contacting HOMeTHF with hydrogen in the presence of an acidic, supported catalyst comprising a Group VIII metal.... | 02/18/2003 |
| 6489493 | Acyclic chiral derivatives of hibiscus acid and the process of preparing the same The present invention relates to a novel acyclic chiral derivatives of Hibiscus acid of formula I, ##STR1## wherein: R1 =R5 =lower aryl or alkyl ester or substituted aryl or alkyl alcohol R3 =substituted aryl or alkyl este... | 12/03/2002 |
| 6479704 | Hydrogenation with monolith reactor under conditions of immiscible liquid phases The present invention relates to an improved for the hydrogenation of an immiscible mixture of an organic reactant in water. The immiscible mixture can result from the generation of water by the hydrogenation reaction itself or, by the addition of, water ... | 11/12/2002 |
| 6433193 | Process to afford gamma butyrolactone and tetrahydrofuran A process for production of tetrahydrofuran and gamma butyrolactone by hydrogenation of maleic anhydride recovered from a process of conversion of a n-butane. The process consists essentially of the following steps: A) converting n-butane to maleic anhydr... | 08/13/2002 |
| 6355814 | Process for the preparation of 3-hydroxymethyl tetrahydrofuran The present invention relates to a catalytic process for the preparation of 3-hydroxymethyl tetrahydrofuran of formula IV ##STR1## with hydroformylation as one of the key steps. The process comprises reacting 9-hydroxymethyl-7,12-dioxaspiro[5,6]dodecane o... | 03/12/2002 |
| 6316640 | Preparation of tetrahydrofuran In a process for preparing THF (tetrahydrofuran) by reaction of a 1,4-butanediol-containing reaction mixture over an acid catalyst, the reaction mixture comprises further alcohols different from 1,4-butanediol and is essentially free of water.... | 11/13/2001 |
| 6288245 | Process for the production of tetrahydrofuran and gammabutyrolactone A two-stage process for producing tetrahydrofuran and gammabutyrolactone in varying proportions from maleic, succinic anhydride or fumaric acid esters, by vapor phase hydrogenation. The first stage occurs on a copper-based catalyst to produce a mixture of... | 09/11/2001 |
| 6248906 | Process for the production of tetrahydrofuran, gammabutyrolactone and butanediol Process for the production of tetrahydrofuran, gammabutyrolactone and butanediol starting from maleic anhydride esters, consisting of two subsequent hydrogenations.... | 06/19/2001 |
| 6239292 | Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran A process for the production of at least one C4 compound selected from 1,4-butanediol, gamma-butyrolactone and tetrahydrofuran, in which a solution of maleic anhydride in a high boiling ester is esterified with a C1 to C4 ... | 05/29/2001 |
| 6225477 | Process for regeneration of carbon-supported, rhenium-containing catalysts This invention relates to a method of improving the catalytic performance of palladium or ruthenium, rhenium-on-carbon hydrogenation catalysts operating in aqueous media where loss of soluble rhenium may result in rapid catalytic failure. A rhenium-contai... | 05/01/2001 |
| 6204395 | Process for the preparation of butane-1,4-diol, γ-butyrolactone and tetrahydrofuran A process is described for the production of butane-1,4-diol, γ-butyrolactone and/or tetrahydrofuran. A vaporous stream containing maleic anhydride, water, and carbon oxides is contact in an absorption zone with a high boiling ester as solvent to form a ... | 03/20/2001 |
| 6191322 | Process for the production of butanediol by liquid phase hydrogenation Process for the production of 1,4-butanediol by mixed phase catalytic hydrogenation of gamma-butyrolactone, succinic anhydride esters, or mixtures thereof.... | 02/20/2001 |
| 6147233 | Process for the preparation of 3-methyltetrahydrofuran Disclosed is a process for the preparation of 3-methyltetrahydrofuran (3-MeTHF) from 3-(hydroxymethyl)tetrahydrofuran (3-HOMeTHF) by a plurality of process steps comprising (1) esterifying 3-HOMeTHF to produce a carboxylate ester of 3-HOMeTHF, (2) pyrroly... | 11/14/2000 |
| 6100410 | Process for the production of 1,4-butanediol, γ-butyrolactone and tetrahydrofuran A process for the production of at least one C4 compound selected from butane-1,4-diol, γ-butyrolactone and tetrahydrofuran comprises contacting a vaporous stream containing maleic anhydride vapour, water vapour, and carbon oxides in an absorp... | 08/08/2000 |
| 6022984 | Efficient synthesis of furan sulfonamide compounds useful in the synthesis of new IL-1 inhibitors An efficent synthesis of furan sulfonamide compounds of formula ##STR1## comprising reacting a compound of formula 11 with a Grignard reagent in a reaction inert solvent, wherein R' is (C1 -C6)alkyl. The compound of formula II i... | 02/08/2000 |
| 6008384 | Method and Ru,Re,Sn/carbon catalyst for hydrogenation in aqueous solution An improved two step (dual stage catalysis) aqueous hydrogenation process and a novel trimetallic hydrogenation catalysts consisting essentially of highly dispersed, reduced ruthenium and rhenium metals in the presence of a third metal tin on carbon suppo... | 12/28/1999 |
| 5990324 | Process for producing 3-methyltetrahydrofuran There is disclosed a process for producing 3-methyl-tetrahydrofuran which comprises the step 1 of subjecting the compound represented by the general formula [I] ROOC--CH(CH3)--CH2 --CHO [I] wherein R is an alkyl gr... | 11/23/1999 |
| 5969164 | Catalysts for the hydrogenation of maleic acid to 1,4-butanediol An improved catalyst for the hydrogenation of maleic acid, maleic anhydride or other hydrogenatable precursor to 1,4-butanediol and tetrahydrofuran has been discovered. This hydrogenation catalyst comprises palladium, silver, rhenium and at least one of i... | 10/19/1999 |
| 5892107 | Method for the production of levulinic acid A method of producing dehydration products from one or more 5-carbon or 6-carbon sugars includes reacting said one or more sugars at 40°-240 ° C. for 1 to 96 hours in the presence of 10-90% sulfuric acid, separating the reaction products, and recovering... | 04/06/1999 |
