Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7728182 | Process for producing hydrocarbon derivative products from feedstock containing hydrocarbons The process for producing a predetermined CXHYOZ product from a primary feedstock containing hydrocarbons and a secondary feedstock is disclosed, wherein X, Y and Z are integers. The process includes the steps of: providing primary f... | 06/01/2010 |
| 7408087 | Process for making unsaturated coconut and/or palm nut fatty alcohols Unsaturated coconut and/or palm nut fatty alcohols having an iodine number in the range from 65 to 85, which essentially comprise unsaturated fatty alcohols and mixtures of saturated fatty alcohols of the formula (I): R1OH (I) in... | 08/05/2008 |
| 7378561 | Method for producing methanol, dimethyl ether, derived synthetic hydrocarbons and their products from carbon dioxide and water (moisture) of the air as sole source material A method for producing methanol and dimethyl ether using the air as the sole source of materials is disclosed. The invention relates to a method for separating the water (i.e., the moisture in the air) and carbon dioxide content of atmospheric air for their use in t... | 05/27/2008 |
| 7208643 | Process for producing fatty alcohol The invention relates to a process for producing a fatty alcohol, including hydrogenating a fatty acid ester to prepare a crude fatty alcohol product, and distilling and refining the resulting crude fatty alcohol to prepare a fatty alcohol, further including recover... | 04/24/2007 |
| 7208642 | Process for preparation of formate esters or methanol and catalyst therefor A production process and a catalyst are provided, which can be less decreased in activity of the catalyst even when CO2, water and the like are present in the starting material and/or the reaction system, and which can produce a formic ester or a methanol... | 04/24/2007 |
| 7169749 | Method for producing alkyl-substituted butenols Alkyl-substituted butenols having the formula (I): R1—CH2—CH═CR2—CH2OH (I) wherein R1 is a saturated or olefinically unsaturated alkyl or cycloalkyl group having from 4 to 16 ca... | 01/30/2007 |
| 7169959 | Unsaturated palm oil fatty alcohols Unsaturated palm oil fatty alcohols with an iodine number in the range from 65 to 85, which contain substantially unsaturated fatty alcohols and mixtures of saturated fatty alcohols of the formula (I): R1OH (I) in which R1 | 01/30/2007 |
| 7138552 | Method for producing C-alcohol mixtures The present invention relates to a process for preparing a C13-alcohol mixture which is suitable, in particular, as precursor for the preparation of compounds having surfactant properties and of plasticizers. ... | 11/21/2006 |
| 7098369 | Process for the production of primary alcohols A process for producing primary alcohols from secondary alcohols and/or tertiary alcohols and/or ketones, wherein the process comprises reacting a compound selected from a secondary alcohol, a tertiary alcohol, a ketone, or mixtures thereof, with carbon monoxide and... | 08/29/2006 |
| 7084312 | Catalyst and method for hydrogenating carbonyl compounds A process for the hydrogenation of an organic compound containing at least one carbonyl group comprises bringing the organic compound in the presence of hydrogen into contact with a shaped body which can be produced by a process in which ... | 08/01/2006 |
| 7064223 | Method for producing technical oleic acid methyl esters A process for making technical oleic acid methyl esters having a stearic acid methyl ester content of less than about 2% by weight, and a palmitic acid methyl ester content of less than about 5%, comprising: (a) providing a C8-18 palm kernel oil fatty aci... | 06/20/2006 |
| 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 |
| 6916964 | Selective hydrogenation of olefinically unsaturated carbonyl compounds The present invention relates to a continuous process for the selective hydrogenation of olefinically unsaturated carbonyl compounds to give unsaturated alcohols in particular of citral to give a mixture of geraniol and nerol, in a reactor containing a liquid phase,... | 07/12/2005 |
| 6906228 | Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts In a process for preparing alcohols by catalytic hydrogenation of carbonyl compounds over a catalyst comprising rhenium on activated carbon, the catalyst used comprises rhenium (calculated as metal) in a weight ratio to the activated carbon of from 0.0001 to 0.5, pl... | 06/14/2005 |
| 6855851 | Process for producing aliphatic C3-C10-alcohols from high boilers The present invention relates to a process for producing aliphatic C3-C10-alcohols, in particular 2-ethylhexanol, from high boilers by thermal treatment in the presence of an alkali metal compound and subsequent hydrogenation of the volatile pr... | 02/15/2005 |
| 6790999 | Process for the production of 3-buten-1-ol Disclosed is a process for the continuous, semi-continuous or batch production of 3-buten-1-ol from 3,4-epoxy-1-butene wherein 3,4-epoxy-1-butene and formic acid are fed to a reaction zone having a catalyst solution comprising a palladium(0) compound, a tertiary pho... | 09/14/2004 |
| 6765119 | Method of producing saturated C3-C20-alcohols The invention relates to a process for the preparation of saturated C3-C20-alcohols in which a liquid hydrogenation feed comprising at least one C3-C20-aldehyde is passed over a bed of a hydrogenation catalyst in the prese... | 07/20/2004 |
| 6759561 | Preparation of tetrahydrogeraniol The present invention relates to a process for the preparation of tetrahydrogeraniol, wherein the product mixtures and distillation residues from linalool, citronellal, citronellol or geraniol/nerol synthesis are fed directly to catalytic hydrogenation. ... | 07/06/2004 |
| 6713221 | Ester wax and toner using the wax An ester wax is obtained by a condensation reaction of carboxylic acid and alcohol; wherein the carboxylic acid contains a single kind of saturated linear monocarboxylic acid having 14 to 30 carbon atoms as a main component, and the single kind of carboxylic acid is... | 03/30/2004 |
| 6670509 | Conversion of organic substrates to oxygenates or olefins using a bicyclo imide promoter A process for oxygenating organic substrates such as aliphatic hydrocarbons has been developed. The process involves contacting the organic substrate with oxygen in the presence of a bicyclo imide promoter and a metal co-catalyst. The process is preferabl... | 12/30/2003 |
| 6555715 | Conversion of light paraffins to oxygenates or olefins using an imide promoter A process has been developed for oxygenating linear C2 to C6 alkanes to ketones or aldehydes. The process involves reacting the alkanes with oxygen in the presence of a catalyst comprising an imide promoter and a metal co-catalyst. A... | 04/29/2003 |
| 6548717 | Process for making branched, substantially unsaturated fatty alcohols A process for making branched, substantially unsaturated fatty alcohols involving: (a) providing a C16-22 fatty acid; (b) dimerizing the C16-22 fatty acid to form a monomer fraction containing branched, substantially unsaturated fatt... | 04/15/2003 |
| 6531635 | Precursors of 3-alkoxyalkanols and processes for the preparation of 3-alkoxyalkanols Processes for the preparation of 3-alkoxyalkanols useful as solvents for coating materials, photoresists, or the like. Specifically, (1) a process which comprises reacting an ,ଲ-unsaturated aldehyde with an alcohol in the presence of an acidi... | 03/11/2003 |
| 6331657 | Process for preparing higher oxo alcohols from olefin mixtures by two-stage hydroformylation A process for preparing higher oxo alcohols from mixtures of isomeric olefins having from 5 to 24 carbon atoms by two-stage hydroformylation in the presence of a cobalt catalyst or rhodium catalyst at elevated temperature and at elevated pressure, which c... | 12/18/2001 |
| 6239318 | Process for the selective hydrogenation of hydroformylation mixtures The invention relates to a process for the selective hydrogenation of reaction mixtures from the hydroformylation of C5 to C24 olefins using hydrogen and a supported catalyst which, as active components, comprises copper, nickel and ... | 05/29/2001 |
| 6232512 | Method for reducing the content of acetals or ketals in alcohol-containing reaction mixtures Reduction in the content of acetals or ketone acetals in a reaction mixture containing at least 10 moles alcohol per mole acetal or ketone acetal can be achieved hydrogenolytically when the reaction mixture is hydrogenated at 80° to 250° C. at a hydroge... | 05/15/2001 |
| 6229056 | Unsaturated fatty compounds with improved low-temperature behavior The proposal is for unsaturated fatty substances with improved cold behavior obtained by (a) transesterifying a new low stearic (LS) sunflower oil with an oleic acid content of over 85 wt. % and a stearic acid content of under 3 wt. %, and (b) hydrogenati... | 05/08/2001 |
| 6187974 | Process for producing unsaturated fatty alcohols from lauric oils A process is provided for producing unsaturated fatty alcohols from lauric oils, and includes (a) ester interchange of the deacidified lauric oils with methanol to obtain the overall fatty acid methyl ester mixture; (b) fractionation of the fatty acid met... | 02/13/2001 |
| 5917097 | Unsaturated fatty compounds with improved low-temperature behavior A process for producing unsaturated fatty compounds having improved low-temperature properties by a) splitting lauric oils into fatty acids and glycerol, b) subjecting the fatty acids to fractional crystallization to obtain a fraction of unsaturated fatty acid... | 06/29/1999 |
| 5481048 | Method for preparing copper-containing hydrogenation reaction catalyst and method for producing alcohol A copper-containing hydrogenation reaction catalyst is prepared by reducing a precursor of a copper-containing catalyst usable in hydrogenation reaction with hydrogen gas or a mixture of hydrogen and an inert gas by liquid phase reduction in a stream of a... | 01/02/1996 |
| 5475160 | Process for the direct hydrogenation of triglycerides This invention relates to a process for the direct hydrogenation of triglycerides which comprises contacting and reacting one or more triglyceride with hydrogen under liquid phase hydrogenation conditions in the presence of a catalyst comprising a copper ... | 12/12/1995 |
| 5475159 | Process for the direct hydrogenation of methyl esters This invention relates to a process for the direct hydrogenation of methyl esters which comprises contacting and reacting one or more detergent range methyl esters with hydrogen under predominantly liquid phase hydrogenation conditions in the presence of ... | 12/12/1995 |
| 5463143 | Process for the direct hydrogenation of wax esters This invention relates to a process for the direct hydrogenation of wax esters which comprises contacting and reacting a wax ester with hydrogen under liquid phase hydrogenation conditions in the presence of a catalyst comprising a copper compound, a zinc... | 10/31/1995 |
| 5324871 | Hydrogenation process The invention relates to a process for the hydrogenation of native fats, oils and fat derivatives, such as fatty acids and fatty acid esters, to fatty alcohols in a fixed-bed reactor, more particularly in co-current, hydrogen being recirculated in a stoic... | 06/28/1994 |
| 5254743 | Solid bases as catalysts in aldol condensations Solid solutions of a class of divalent metal oxides and a class of trivalent metal oxides resulting from calcination of layered double hydroxides related to hydrotalcite have been prepared with a surface area in excess of 150 m2 /g. Such high s... | 10/19/1993 |
| 5243095 | Hydrogenation catalyst, process for preparing and process for using said catalyst In one embodiment, the invention relates to a catalyst in powdered form comprising the oxides of copper, iron, aluminum and manganese wherein the atomic ratio of copper to iron is at least 1:1. In another embodiment, the invention relates to a process for... | 09/07/1993 |
| 5220020 | Catalytic reduction of organic carbonyls using metal catalysts A process is provided whereby organic carbonyl substrates, including esters, lactones, ketones, amides and imides are reduced in a reaction with a silane reducing reagent and a catalyst. Exemplary catalysts include metal alkoxides and metal aryloxides.... | 06/15/1993 |
| 5214220 | Process for the preparation of alcohols The invention relates to a process for the preparation of an alcohol by hydrogenation of an aldehyde at elevated temperature and superatmospheric pressure in the presence of a homogeneous catalytic system comprising a source of a Group VIII metal compound... | 05/25/1993 |
| 5196601 | Process for producing alcohol or amine Disclosed herein is a process for producing an alcohol or an amine by reducing a compound having a formyl, keto, nitro, oxirane, ester, nitrile, amide or halogenated carboxyl group with an alkali metal boro-hydride in the presence of a compound having a h... | 03/23/1993 |
| 5072057 | Process for the hydroformylation of sulfur-containing thermally cracked petroleum residue and novel products thereof A catalytic process for the hydroformylation of olefinic, sulfur containing thermally cracked petroleum streams to produce aldehydes and/or alcohols is disclosed. The catalysts are homogeneous transition metal carbonyl complexes. Especially preferred cata... | 12/10/1991 |