Celebrity Inventors
Penn Jillette of Penn and Teller fame has patented a "Hydro-Therapeutic Stimulator", which uses a hot tub for stimulation.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8129563 | Method for synthesizing allyl methacrylate The present invention relates to a process for preparing allyl methacrylate, comprising the reaction of allyl alcohol with an ester of methacrylic acid, wherein the reaction is catalyzed by zirconium acetylacetonate. The process according to the invention enables pa... | 03/06/2012 |
| 8119832 | Systems for alkyl ester production In one embodiment, an alkyl ester production system can comprise: a first transesterification reactor comprising a liquid biomass inlet located between a liquid glycerol outlet and a liquid alkyl ester outlet, a water wash vessel comprising an alkyl ester inlet, a w... | 02/21/2012 |
| 8067633 | Method for the synthesis of (meth)acrylic esters catalysed by a polyol titanate The subject of the invention is a method for the synthesis of (meth)acrylic esters by transesterification in the presence of a catalyst corresponding to the formula [(R′O)3Ti]xR″ in which R′ is a linear or branched alkyl radical having fr... | 11/29/2011 |
| 8049030 | Method for producing (meth)acrylates The present invention relates to a process for preparing (meth)acrylates, which comprises the transesterification of an alcohol with a low-boiling ester of (meth)acrylic acid in the presence of catalysts, with the alcohol liberated from the low-boiling ester of (met... | 11/01/2011 |
| 8039664 | Method for producing butanediol dimethacrylates The present invention relates to a process for preparing butanediol dimethacrylates, which comprises the transesterification of butanediol with an ester of methacrylic acid in the presence of catalysts, wherein a combination comprising at least one lithium compound ... | 10/18/2011 |
| 7999130 | Methods for producing alkyl(meth)acrylates The present invention relates to processes for preparing alkyl (meth)acrylates, comprising the steps of transesterifying an alkyl α-hydroxycarboxylate with (meth)acrylic acid to obtain alkyl (meth)acrylates and α-hydroxycarboxyli... | 08/16/2011 |
| 7544830 | Methods and systems for alkyl ester production In one embodiment, the method comprises: combining liquid biomass with an alcohol to form a combined liquid stream, introducing the combined liquid stream to a first transesterification reactor between a liquid glycerol outlet and a liquid alkyl ester outlet, reacti... | 06/09/2009 |
| 7528278 | Transesterification process for production of (meth)acrylate ester monomers This invention utilizes a mixed salt transesterification catalyst in a transesterification process for the production of esters of alkyl(meth)acrylate monomers. ... | 05/05/2009 |
| 7521578 | Process for the preparation of (meth)acrylates of tetra- or polyhydric alcohols Process for the preparation of acrylic and methacrylic acid esters by transesterification of (meth)acrylic acid esters of the formula I: where R1 is H or CH3 and R2 is an alkyl radical having 1 to 40 carbon atoms, with alkanols which... | 04/21/2009 |
| 7414147 | Method for producing glycerol carbonate methacrylate The invention relates to a method for producing glycerol carbonate methacrylate in the presence of metal-chelate catalysts of the metal ion-1,3-diketonate type. ... | 08/19/2008 |
| 7361710 | Functionalized vegetable oil derivatives, latex compositions and coatings An ethylenically unsaturated vegetable oil is modified by the addition of an enophile or dienophile having an acid, ester or anhydride functionality. The modified vegetable oil is then reacted with a functional vinyl monomer to form a vegetable oil derivative. The v... | 04/22/2008 |
| 7312355 | Method of preparing fatty acid monoesters The invention relates to a method of producing fatty acid monoesters and polyhydroxylic alcohols by means of transesterification between a polyhydroxylic alcohol and a compound that is selected from a fat of animal origin, a fat of vegetable origin, and a fatty acid... | 12/25/2007 |
| 7294240 | Method for producing (meth)acrylic acid esters Basic (meth)acrylates IV are prepared by transesterification of alkyl (meth)acrylates I in the presence of a catalyst and working-up of the reaction mixture by distillation, by a process in which a gas or gas mixture which is inert under the reaction conditions is p... | 11/13/2007 |
| 7287534 | Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in t... | 10/30/2007 |
| 7241916 | Process for producing methacrylic ester A method of producing a methacrylic acid ester which comprises carrying out an ester-exchange reaction between methyl methacrylate and an alcohol or a phenol while removing by-product methanol as an azeotropic mixture with methyl methacrylate from the reaction syste... | 07/10/2007 |
| 7078560 | Method for preparing amino alkyl(meth)acrylates A process for the preparation of aminoalkyl (meth)acrylates by transesterification from C1–C4-alkyl (meth)acrylates and aminoalcohols is described, in which process the transesterification is carried out in the presence of at least one distan... | 07/18/2006 |
| 7071351 | Synthesis of alkylaminoalkyl (meth)acrylate by transesterification The invention relates to a method for transesterifying methyl methacrylate involving catalysis, particularly zirconium acetylacetonate catalysis. The obtained esters of formula (I) are characterized by having an extremely low content of cross-linking agents. ... | 07/04/2006 |
| 7026503 | Method for producing (meth)acrylic acid esters Higher (meth)acrylates IV are prepared by transesterification of a lower (meth)acrylate I with a higher alcohol R2OH in the presence of a stabilizer or stabilizer mixture and of a catalyst or catalyst mixture, by a process in which the liberated lower alk... | 04/11/2006 |
| 6979748 | Method for preparing amino alkyl(meth)acrylates A process for the preparation of aminoalkyl (meth)acrylates by transesterification from C1-C4-alkyl (meth)acrylates and aminoalcohols is described, in which process the transesterification is carried out in the presence of at least one distanno... | 12/27/2005 |
| 6977310 | Method for the continuous production of alkyl (meth)acrylates The invention relates to a process for continuous preparation of alkyl (meth)acrylates by transesterification of methyl (meth)acrylate using alcohols which are high-boiling relative to methanol. A particular workup technique achieves product qualities which have hit... | 12/20/2005 |
| 6881858 | Asymmetric (meth)acrylate crosslinking agents Asymmetric (meth)acrylate crosslinking agents may be prepared by reacting a hydroxyacrylate with methacrylic anhydride to give a crosslinking agent with acrylic and methacrylic groups. Asymmetric (meth)acrylate crosslinking agents can be employed in the production o... | 04/19/2005 |
| 6875888 | Method for the production of esters of unsaturated carboxylic acids In a process for preparing an ester of an unsaturated carboxylic acid by reacting an ester of the unsaturated carboxylic acid and a C1-C4-alkanol with an alcohol R3OH, where R3 is a C4-C20-alkyl radic... | 04/05/2005 |
| 6872848 | Method for producing alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids Alkylpolyalkylene glycol esters of monoethylenically unsaturated carboxylic acids are prepared by esterifying (a) monoethylenically unsaturated carboxylic acids with (b) polyalkylene glycols which are endcapped at one end, in the absence of a solvent and in the pres... | 03/29/2005 |
| 6841697 | Process for preparing 2-(dimethylamino)-1-(dimethyl-aminomethyl) ethyl meth (acrylate) Process for preparing a compound (I) by reacting a compound of formula (II) with the alcohol (III). The reaction is carried out using dibutyltin oxide as transesterification catalyst. R | 01/11/2005 |
| 6838576 | Process for preparing functional group-containing olefinic compounds A process for preparing functional group-containing olefinic compounds comprises the steps of (a) reacting at least one alkylidene phosphorane with at least one carbonyl-containing compound that comprises at least one group that is a leaving group, or that is capabl... | 01/04/2005 |
| 6835849 | Synthesis of alkenoate esters from lactones and alcohols The invention relates to the synthesis of alkenoate esters from a corresponding lactone and an alcohol in the presence of a basic catalyst. More specifically, this invention relates to the synthesis of methyl-4-pentenoate ester from 5-methyl butyrolactone and methan... | 12/28/2004 |
| 6646155 | Method for producing esters of , ଲ-unsaturated carboxylic acids An ester of an ,ଲ-unsaturated carboxylic acid is prepared by reacting the carboxylic acid with a C6 -C12 -alkanol, cyclopentanol or cyclohexanol in the presence of an acidic esterification catalyst and of an entraining a... | 11/11/2003 |
| 6639099 | Process for synthesis of Di(meth)acrylic acid esters A process for the synthesis and recovery of di(meth)acrylic acid esters at a high degree of purity. Di(meth)acrylic acid esters are produced by transesterfication of (meth)acrylic acid esters of C1 to C4 alcohols with 1,n-diols (wher... | 10/28/2003 |
| 6541658 | Process for synthesis of (meth) acrylic acid esters by transesterification in the presence of mixed catalysts containing alkali metal cyanate or thiocyanate Acrylic or methacrylic acid esters may be efficiently prepared by the transesterification of a C1 to C4 alcohol ester of acrylic or methacrylic acid and a different alcohol in the presence of a mixture of a) an alkali metal cyanate o... | 04/01/2003 |
| 6489258 | Synthesis and application of vapor grafted porous materials This invention provides an article, compositions, methods of making and uses of vapor-deposited metal compounds immobilized on porous substrates. The substrate is a porous substrate having an average pore size of at least about 8 Å and a surface area of ... | 12/03/2002 |
| 6479696 | Method for synthesis and process inhibition of isobornyl (meth)acrylate Isobornyl (meth)acrylate is synthesized by a two-stage one-pot process, wherein isobornyl acetate is converted to isoborneol followed by transesterification with (meth)acrylic acid methyl ester, without isolation of the intermediates or purification of th... | 11/12/2002 |
| 6437173 | Process for the continuous manufacturing of dialkylaminoalkyl (METH) acrylates having a critical order of steps The present invention relates to the manufacture of a dialkylaminoalkyl (meth)acrylate by transesterification of methyl or ethyl (meth)acrylate with an amino alcohol. The transesterification catalyst is chosen from tetrabutyl, tetraethyl and tetra(2-ethyl... | 08/20/2002 |
| 6417392 | Method for production of alkylamino(Meth)acrylate and apparatus therefor In the operation of producing an alkylamino(meth)acrylate by the reaction of transesterification of an alkyl(meth)acrylate with an alkylamino alcohol, the alkyl alcohol by-produced during the transesterification is distilled in the form of an azeotropic m... | 07/09/2002 |
| 6355830 | Process for preparation of dicarboxylic acid monoesters A process for producing a dicarboxylic acid monoester which comprises subjecting a dicarboxylic acid monoester or an alkali metal salt of a dicarboxylic acid monoester and a metal alkoxide to transesterification in the presence of an organic solvent, or a... | 03/12/2002 |
| 6342627 | Producing unsaturated esters by a lanthanide metal alkoxide catalyzed transesterification process There is disclosed a process for producing an unsaturated ester of the formula (3): ##STR1## wherein R1, R2 and R3 independently represent hydrogen, halogen, alkyl, alkenyl and the like and R5 represents alkyl w... | 01/29/2002 |
| 6329543 | Process for synthesis of isobornyl (Meth) acrylate The present invention relates to processes for synthesis of isobornyl (meth)acrylate by reacting camphene with (meth)acrylic acid in the presence of sulfuric acid and at least one compound having inhibiting action. Aqueous sulfuric acid with an acid conce... | 12/11/2001 |
| 6316664 | Process for preparing hydroxy-containing compounds from formic acid esters Formic ester is transesterified with a hydroxyl-containing compound in the presence of a tertiary amine as transesterification catalyst to form a formic ester which differs from the formic ester used as reactant, and of a hydroxyl-containing compound whic... | 11/13/2001 |
| 6268521 | Process for preparing acrylic esters and/or methacrylic esters of polyoxyalkylenes and the use thereof The present invention provides a process for enzymatic preparation of acrylic esters and/or methacrylic esters of polyoxyalkylenes, and to the use thereof. The acryloyl and/or methacryloyl compounds of polyoxyalkylenes are obtainable by a process for este... | 07/31/2001 |
| 6215018 | Acrylate monomer preparation using alkali metal alkoxides as ester interchange catalysts and bromide salt polymerization inhibitors The present invention relates to a process to prepare alkyl (meth)acrylate esters from corresponding alkyl/methacrylate esters using an alkali metal alkoxide as an ester interchange catalyst to produce an alkyl (meth)acrylate ester monomer product C ... | 04/10/2001 |
| 6211422 | Enzyme catalysis in carbon dioxide fluids A method for the enzymatic production of a desired product in a liquid or supercritical carbon dioxide fluid. The method comprises: (a) providing a reaction mixture comprising at least one reaction substrate and a crosslinked enzyme crystal catalyst in a ... | 04/03/2001 |
