Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 5756778 | Process for preparing an epoxide using a structured catalyst including microporous oxides of silicon, aluminum and titanium A catalyst includes or consists essentially of the oxides of silicon, aluminum and titanium, characterized in that the catalyst particles are built up from a core with the composition (SiO2)y (AlO2)y My | 05/26/1998 |
| 5648557 | Polyether lubricants and method for their production Cyclic ethers are polymerized or copolymerized in homogeneous liquid phase using very low concentrations of heteropolyacid catalyst to produce essentially linear polyoxyalkylene polymers. The product of the polymerization contains less than 2 weight perce... | 07/15/1997 |
| 5639923 | Metal-catalyzed preparation of perfluoroalkyl iodide telomers The selectivity of copper as the catalyst for the reaction of short-chain perfluoroalkyl iodides with tetrafluoroethylene is increased if a further transition metal is employed as a cocatalyst.... | 06/17/1997 |
| 5631265 | 8-substituted tetrahydro-beta-carbolines The present invention provides novel tetrahydro-beta-carboline compounds and intermediates having useful central nervous system activity. The invention provides formulations and methods for using the tetrahydro-beta-carboline and related intermediate comp... | 05/20/1997 |
| 5629461 | Method of producing 1,1,2,2,3-pentafluoropropane There is provided a method of producing 1,1,2,2,3-pentafluoropropane by reacting 1-chloro-2,2,3,3-tetrafluoropropane with hydrogen fluoride in the presence of fluorinated catalyst. By this method, 1,1,2,2,3-pentafluoropropane can be obtained industrially ... | 05/13/1997 |
| 5629340 | Angiogenesis inhibitor and novel compound An angiogenesis inhibitor comprising, as an active agent, Compound (I) represented by the formula below: ##STR1## where R1 is a lower alkyl group, an alkoxycarbonyl group or a carboxyl group; and R2, R3 and R4 | 05/13/1997 |
| 5629423 | Asymmetric synthesis of chiral secondary alcohols A process for synthesizing enantiomerically pure chiral secondary alcohol compounds linked to a heterocyclic core moiety, using a natural chiral molecule starting material. The inventive process is particularly useful for bulk manufacturing of chiral seco... | 05/13/1997 |
| 5629459 | Olefin hydration process This invention relates to a process for hydrating olefins to the corresponding alcohols in the vapor phase in the presence of a catalyst system comprising a heteropolyacid catalyst supported on a clay support, the clay support being a hot acid treated cla... | 05/13/1997 |
| 5625084 | Vapor phase oxidation of propylene to propylene oxide Propylene is converted to propylene oxide in a vapor phase oxidation process employing a silver catalyst supported on an alkaline earth metal carbonate and containing both a potassium salt such as potassium nitrate and a molybdenum promoter. The potassium... | 04/29/1997 |
| 5621152 | Process for removing olefinic impurities from 2H-heptafluoropropane (R 227) Process for removing olefinic impurities from 2H-heptafluoropropane (R 227). The invention relates to a process for removing olefinic impurities from 2H-heptafluoropropane (R 227) by passing the contaminated R 227 in the gas phase at from -20° to 100° C... | 04/15/1997 |
| 5621122 | Epoxidation process A crystalline molecular sieve having a framework structure isomorphous with zeolite beta and containing Si and Ti, but essentially no framework Al, usefully catalyzes olefin epoxidation wherein hydrogen peroxide or an organic hydroperoxide is utilized as ... | 04/15/1997 |
| 5621147 | Trifluoro-2-(trans-4-substituted cyclohexyl) ethylenes and process for their production A 1,1,2-trifluoro-2-(trans-4-substituted cyclohexyl)ethylene of the formula (1): R--(A)m --Cy--CF=CF2 (1) wherein R is a C1-10 alkyl group, a halogen atom or a cyano group, provided that in the case ... | 04/15/1997 |
| 5618984 | Phenol aralkyl resins, preparation process thereof and epoxy resin compositions An allyletherificated phenol aralkyl resin is obtained through the reaction of a phenol aralkyl resin with an allyl halide in the presence of a base in an organic solvent at room temperature to 100° C. and changed into an allylated phenol aralkyl resin a... | 04/08/1997 |
| 5618954 | Preparation of 3,4-epoxy-1-butene 3,4-Epoxy-1-butene is prepared by the gas phase epoxidation of 1,3-butadiene by means of oxygen or oxygen-containing gases over silver-containing catalysts and isolation of the 3,4-epoxy-1-butene from the reaction exit mixture by performing the gas phase ... | 04/08/1997 |
| 5616800 | Dicationic and polycationic monoprimary alcohols and derivatives thereof This invention relates to novel dicationic and polycationic monoprimary alcohol compounds and their derivatives, represented by the formula ##STR1## wherein each alk is independently alkyl of 1-8 carbon atoms; each ALK is independently alkyl of 1-8 c... | 04/01/1997 |
| 5616817 | Preparation of 1,2-propanediol A process for the preparation of 1,2-propanediol by catalytic hydrogenation of glycerol at elevated temperature and elevated pressure, which comprises using glycerol having a water content of up to 20% by weight and a catalyst comprising the metals cobalt... | 04/01/1997 |
| 5614646 | Selective hydrogenation of aromatic groups in the presence of epoxy groups A process for the selective hydrogenation of aromatic groups of organic molecules carrying at least one aromatic group and one epoxy group with hydrogen in the presence of a ruthenium-containing catalyst, in which the hydrogenation is carried out in the p... | 03/25/1997 |
| 5614644 | Process for the removal of organic chlorides from furan and hydrogenated furans Disclosed is a process for the removal of organic chlorides from furan and hydrogenated furans by contacting a crude product stream comprising (i) furan, 2,3-DHF, 2,5-DHF, THF or a mixture thereof and (ii) one or more organic chlorides with a copper-conta... | 03/25/1997 |
| 5608129 | Process for the purification of difluoromethane To remove the traces of chlorofluoromethane present in a difluoromethane, the difluoromethane to be purified is passed over a 13X molecular sieve at a temperature of at least 60° C. The sieve can be regenerated by washing with the aid of a solution of so... | 03/04/1997 |
| 5608128 | Production methods of 1,1,1,4,4,4-hexsfluoro-2-butene compounds and 1,1,1,4,4,4,-hexafluorobutane The present invention provides a production method of obtaining the mixture of 1,1,1,4,4,4-hexafluoro-2,3-dichloro-2-butene, 1,1,1,4,4,4-hexafluoro-2-chloro-2-butene and 1,1,1,4,4,4-hexafluoro-2-butene (1,1,1,4,4,4-hexafluoro-2-butene compounds) by r... | 03/04/1997 |
| 5608089 | Process for producing cis-epoxysuccinates A process for producing a highly pure cis-epoxysuccinate in a high yield while suppressing a production of DL-tartrate as a by-product by epoxidizing a maleate with hydrogen peroxide in the presence of an epoxidation catalyst, wherein said epoxidation is ... | 03/04/1997 |
| 5608122 | Process for preparing wax esters and hydrogenation of wax esters to fatty alcohols A liquid starting mixture contains at least one fatty acid having 6 to 30 carbon atoms per molecule and per mole of fatty acid comprises 1.0 to 1.5 moles of fatty alcohol having 6 to 30 carbon atoms. An intermediate product which contains at least 50% by ... | 03/04/1997 |
| 5600031 | Process for preforming cobaltous salts using shell-type preformer catalysts A process for preparing oxo alcohols and aldehydes by the cobalt catalyzed hydroformylation of C2 to C17 linear or branched monoolefins with subsequent hydrogenation of the hydroformylation product, in which oxo process aqueous solut... | 02/04/1997 |
| 5599848 | Preparation, intermediates for the preparation and the use of a mixture of dodecdienol isomers A process for preparing a mixture of 8E,10E-dodecadienol (Ia), 8E,10Z-dodecadienol (Ib), 8Z,10E-dodecadienol (Ic) and 8Z,10Z-dodecadienol (Id), H3 C--CH.dbd.CH--CH.dbd.CH--(CH2)6 --CH2 --OH (8E,10E=Ia) (8E,10Z=Ib) (8... | 02/04/1997 |
| 5599990 | Process for preparing quaternary ammonium compounds A quaternary ammonium halide is prepared by reacting a substituted or unsubstituted haloalkane with a tert-amine in a mol ratio not higher than 1.1/1 in the absence of a solvent and at a temperature such as to maintain the reaction mixture liquid.... | 02/04/1997 |
| 5600040 | Separation of tetrafluoroethane isomers Separation of CF3 CH2 F and CHF2 CHF2 from a mixture thereof is effectively achieved using either inorganic molecular sieves having suitable intermediate electronegaativities (compared to Zeolite Na-X) or activa... | 02/04/1997 |
| 5600034 | Method for producing allyl alcohols A method for producing allyl alcohols, which comprises heat-treating diallyl ethers in the presence of a catalyst containing a palladium compound and a phosphorus compound to convert them to allyl alcohols, wherein the heat treatment is conducted under su... | 02/04/1997 |
| 5600032 | Method for producing an unsaturated alcohol A method for producing an unsaturated alcohol having a chain structure formed by oligomerization of a conjugated alkadiene, which comprises reacting a conjugated alkadiene and water in the presence of carbon dioxide by means of a palladium compound and a ... | 02/04/1997 |
| 5599956 | Integrated process for the production of propylene oxide Propylene oxide may be produced by an integrated process utilizing as a basic feedstock a refinery stream containing saturated hydrocarbons. The first element of the process converts one or more of the saturated hydrocarbons to a stream containing propyle... | 02/04/1997 |
| 5594159 | Producing CF3 CH2 CF3 and/or CF3 CH.dbd.CF2 by the conversion of alpha-hydroperfluoroisobutyric acid compounds A process is disclosed for producing 1,1,1,3,3,3-hexafluoropropane and/or 1,1,1,3,3-pentafluoropropene from (CF3)2 CHCOOH and/or its water soluble salts. The process involves providing a mixture containing water and such carboxy comp... | 01/14/1997 |
| 5591874 | Process for the preparation of 2,5-dihydrofuran compounds Disclosed is a process for the preparation of 2,5-dihydrofuran compounds by contacting an olefinically-substituted ethylene carbonate compound with a catalyst comprising an acidic component and a halogen component. The process is especially useful for the... | 01/07/1997 |
| 5591875 | Epoxidation Process In an epoxidation process wherein an olefin is reacted with hydrogen peroxide in the presence of a titanium-containing molecular sieve catalyst and a salt, the tendency of the catalyst to produce greater quantities of oxygen as it ages due to non-selectiv... | 01/07/1997 |
| 5583271 | Method for continuously producing alkadienols A method for continuously producing alkadienols, which comprises subjecting a conjugated alkadiene and water to a hydration dimerization reaction in a continuous type reactor in the presence of carbon dioxide and a catalyst comprising a palladium compound... | 12/10/1996 |
| 5578190 | Process for the preparation of glyphosate and glyphosate derivatives A process for preparing glyphosate and other secondary amines of related structure in which a precursor primary amine such as aminomethylphosphonic acid is condensed with glyoxylic acid, or a related aldehyde compound, and the condensation product reduced... | 11/26/1996 |
| 5576462 | Preparation of -hydroxyketones A process for the preparation of -hydroxyketones of the general formula I ##STR1## in which R1, R2, R3, and R4 denote hydrogen or C1 -C8 alkyl or R1 and R3... | 11/19/1996 |
| 5574196 | Process for preparing alkanols A process for preparing tertiary alkanols which comprises the step of oxidizing with ozone a saturated hydrocarbon having a tertiary carbon center in the presence of a carboxylic acid and for a sufficient period of time and at suitable temperature and pre... | 11/12/1996 |
| 5569792 | Hydrogenation of aldehydes, ketones, carboxylic acids and esters A copper oxide/zinc oxide/aluminum oxide catalyst which contains, per 100 parts of copper oxide, 40 to 130 parts zinc oxide, 2 to 50 parts aluminum oxide, and 1 to 4 parts soium oxide. It has a total BET surface area of 50 to 100 m2 /g, and 75%... | 10/29/1996 |
| 5569788 | Process for removal of impurities from etherification feedstocks A process is directed to the removal of impurities such as sulfur compounds, oxygenates, and/or olefins from a light paraffin hydrocarbon feedstock such as a C4 -C6 fraction, which may be used subsequently in an isomerization process... | 10/29/1996 |
| 5569789 | Multistage indirect propylene hydration process for the production of diisopropyl ether and isopropanol A multistaged fixed catalyst bed process for the production of diisopropyl ether and isopropanol is disclosed comprising a fixed bed of serially connected stages containing zeolite Beta catalyst. A feedstream of propylene and water equivalents selected fr... | 10/29/1996 |
| 5569773 | Process for producing a composition comprising epoxy compounds having hydroxyl group The present invention provides a composition represented by the formula ##STR1## (wherein x is an integer of 3 to 7, y is an integer of 0 to 50, and Ra and Rb are H, methyl group, or propyl group and each of the Ra an... | 10/29/1996 |
