"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7723543 | Method for the continuous production of alkyl amino acryl amides The invention relates to a method for the continuous production of alkyl amino acryl amides by reacting alkyl acrylates with high-boiling amines. A specific preparation technique is used in order to achieve hitherto unobtainable product qualities. Very high spatial,... | 05/25/2010 |
| 7586004 | Method for continuously producing alkylamino(meth)acrylamides The invention relates to a process for continuously preparing alkylamino(meth)acrylamide by reacting methyl (meth)acrylate, ethyl (meth)acrylate or amines having a high boiling point compared to methanol or ethanol. A special workup technique which includes removing... | 09/08/2009 |
| 7541493 | Modafinil synthesis process The invention relates to a process for preparing modafinil having a defined granulometry which comprises the steps of: a) preparing a solution of DMSAM; b) contacting the solution obtained with NH3 at a predetermined temperature and a predetermined stirring; and c) ... | 06/02/2009 |
| 7381841 | Pentafluorosulfanylphenyl-substituted benzoylguanidines, processes for their preparation, their use as medicament or diagnostic aid, and medicament comprising them Pentafluorosulfany0lphenyl-substituted benzoylguanidines, process for their preparation, theie use as medicament or diagnostic aed, and medicament comprising them Pentafluorosulfany0lphenyl-substituted benzoylguanidines of the formulae I and II | 06/03/2008 |
| 7358396 | Preparation of optically active amines A process for preparing optically active amines, a process for preparing racemic amines which can be resolved using optically active carboxylic acids or enzymes, and racemic and optically active amines and optically active amides are described. ... | 04/15/2008 |
| 7294740 | Process for the synthesis of N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids The invention claimed herein provides a process to oxidize N-(5-alkoxy-2-methyl-4-nitrophenyl)acetamides to N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids using potassium permanganate in the presence of magnesium sulfate in aqueous sulfolane or aqueous pyridine. ... | 11/13/2007 |
| 7288619 | Fluorinated polyether polyamine and method of making the same A composition comprises a condensation product of an amine-reactive fluorinated polyether and a polyamine. The compositions may be in dispersed in water. ... | 10/30/2007 |
| 7262325 | Method of preparing salicylamides The present invention provides a fast, high yield method for preparing salicylamide intermediates. The method comprises reacting a C4 or higher alkyl ester of salicylic acid or derivative thereof with at least one amine selected from the group consisting ... | 08/28/2007 |
| 7244864 | Process for the preparation of N,N-substituted 5-amino-1,3-benzenedicarboxamides The invention relates to a process for the preparation of a compound of formula (I), wherein R represents a 2,3-dihydroxy-1-propyl or a 1,3-dihydroxy-2-propyl radical, via direct amidation of a dialkyl ester of 5-amino-1,3-benzenedicarboxylic acid of formula (V), wh... | 07/17/2007 |
| 7227037 | Process for the synthesis of N-nacyl-2-amino-4-alkoxy-5-nitrobenzoic acids The invention claimed herein provides a process to oxidize N-(5-alkoxy-2-methyl-4-nitrophenyl)acetamides to N-acyl-2-amino-4-alkoxy-5-nitrobenzoic acids using potassium permanganate in the presence of magnesium sulfate in aqueous sulfolane or aqueous pyridine. ... | 06/05/2007 |
| 7205436 | Process for manufacture of quaternary ammonium tosylate salts of cinnamidoalkylamines and / or benzamidoalkylamines An efficient, simple, high yielding, eco-friendly process for the manufacture of tosylates quaternary ammonium salts of cinnamidoalkylamines and/or benzamidoalkylamines (Formula I) has been described. These compounds are substantive UV-absorbers. They are useful in ... | 04/17/2007 |
| 7205440 | Method of producing amines The invention relates to a special two-step method for producing amines on the basis of amides by reacting them with halides or hypohalites in an aqueous solution in a Hofmann degradation reaction. The amide is reacted in an alkaline solution and/or suspension with ... | 04/17/2007 |
| 7195849 | Photosensitive resin compositions A positive photosensitive resin composition comprising: (a) at least one polybenzoxazole precursor polymer having structure I or II; ... | 03/27/2007 |
| 7115777 | Amide derivatives as inhibitors of the enzymatic activity of renin The present inventions relates to a novel compound of formula (I) or a pharmaceutically acceptable salt thereof, the use and manufacture of a compound of formula (I) or a pharmaceutical composition comprising a c... | 10/03/2006 |
| 7109371 | Prostaglandin synthesis A process for the preparation of prostaglandin compounds having the formula (I): wherein A is selected from the group consisting of C1–C6 alkyl groups; C7–C16 aralk... | 09/19/2006 |
| 7101652 | Photosensitive resin compositions New photosensitive PBO precursor polymers which contain diazoquinone moieties attached to its backbone and in which all amino end groups are converted into amide groups. The photosensitive formulation based on the disclosed PBO precursor polymers have good imaging a... | 09/05/2006 |
| 7087783 | Method for preparing nitrogen-containing compounds A synthesis method which comprises reacting NH group-containing compounds with thiocyanates, cyanamides, nitriles or esters in the presence of a silylating agent to synthesize the corresponding nitrogen-containing addition or substitution products. This method not o... | 08/08/2006 |
| 7070904 | Polybenzoxazoles from poly-o-hydroxyamide, novel poly-o-hydroxyamides, preparation processes therefor, and their application in microelectronics High-temperature-stable polybenzoxazoles are formed from novel poly-o-hydroxyamides. The novel poly-o-hydroxyamides have low dielectric constants, are suitable for exposure at 248 nm or shorter wavelengths, and have hydroxyl groups at least some of which have been p... | 07/04/2006 |
| 7056641 | Photosensitive resin compositions A positive photosensitive resin composition of at least one uncapped polybenzoxazole precursor polymer, at least one capped polybenzoxazole precursor polymer, at least one photosensitive agent and at least one solvent, use of such compositions to pattern an image on... | 06/06/2006 |
| 7045139 | Process for manufacture of quaternary ammonium tosylate salts of cinnamidoalkylamines and/or benzamidoalkylamines An efficient, simple, high yielding, eco-friendly process for the manufacture of tosylates quaternary ammonium salts of cinnamidoalkylamines and/or benzamidoalkylamines (Formula I) has been described. These compounds are substantive UV-absorbers. They are useful in ... | 05/16/2006 |
| 6965048 | Hydroxyalkylamide derivatives The present invention relates to compounds of formula (I) wherein R1, R2, R3, R4, X, W, m and n are as defined hereinabove. The compounds are useful for the treatment and/or ... | 11/15/2005 |
| 6939659 | Photosensitive resin compositions A positive photosensitive resin composition of at least one uncapped polybenzoxazole precursor polymer, at least one capped polybenzoxazole precursor polymer, at least one photosensitive agent and at least one solvent, use of such compositions to pattern an image on... | 09/06/2005 |
| 6929891 | Photosensitive resin compositions A heat resistant negative working photosensitive composition that comprises (a) one or more polybenzoxazole precursor polymers (I): wherein x is an integer from about 10 to ab... | 08/16/2005 |
| 6908934 | Therapeutic compounds for treating dyslipidemic conditions Compounds of Formula I and the pharmaceutically acceptable salts and esters thereof, wherein Z is selected from the group consisting of: (a) Formula Ia | 06/21/2005 |
| 6900354 | 3-phenyl-propionamido, 3-phenyl-acrylamido and 3-phenyl-propynamido derivatives The invention relates to 3-phenyl-propionamido, 3-phenyl-acrylamido and 3-phenyl-propynamido derivatives, for example, deriviatives of the formula wherein A is selected from | 05/31/2005 |
| 6730705 | Alkoximino acetic acid amides The invention relates to new alkoximinoacetic acid amides, a process for their preparation and their use as agents for combating pests. ... | 05/04/2004 |
| 6670507 | Process for the preparation of aryloctanoyl amides Compounds of formula I ##STR1## wherein R1 is for example 3-methoxyprop-3-yloxy, R2 is for example methoxy, R3 and R4 are in each case for example isopropyl, and R5 is H2 NC(O)--[C(CH | 12/30/2003 |
| 6660872 | Method of producing methoxyimino acetic amide The present invention relates to novel processes for preparing methoxyimino-acetamides.... | 12/09/2003 |
| 6660886 | Amphiphilic lubricants for magnetic media A magnetic recording medium including a lubricant topcoat having increased bonding to the medium surface comprises an amphiphilic lubricant molecule having a hydrophilic central portion including a plurality of polar functional groups bound to the medium ... | 12/09/2003 |
| 6613340 | Substantive hydrophobic cationic UV-absorbing compounds Substantive UV absorbing organic-soluble quaternary salts of cinnamidoalkylamine are described. Hair, skin and fabric care compositions containing the compounds of formula I. ##STR1## wherein R1 is a substituent, selected from H, halo, --OH... | 09/02/2003 |
| 6576792 | 2-halo-1-cycloalkenecarboxamides and their preparation The invention relates to a 2-halo-1-cycloalkenecarboxamides represented by Formula I: ##STR1## wherein n is 1 or 2; R is hydrogen or an alkyl group; and X is a halogen.... | 06/10/2003 |
| 6555709 | Aromatic amides, their preparation process and their use as pesticides Aromatic amides, their preparation process and their use as pesticides. ##STR1##... | 04/29/2003 |
| 6552217 | Process for the preparation of alkyl 1-methylcyclopropanecarboxylate Disclosed is a 4-step process for the preparation of alkyl esters of 1-methylcyclopropanecarboxylic acid which comprises the steps of (1) converting γ-butyrolactone to -methyl-γ-butyrolactone; (2) converting the -methyl-γ-butyrolactone fr... | 04/22/2003 |
| 6506904 | Method of preparing N,N'-disubstituted-3,3'-dithiodipropionamide and method of preparing substituted 3-isothiazolone by using the same A method of preparing N,N-disubstituted 3,3'-dithiodipropionamide of formula (2) is provided. In the method, 3-mercaptopropi-onamide of formula (4) reacts with an aqueous solution of amine to prepare N-substituted-3-mercaptopropionamide of formula (3) and... | 01/14/2003 |
| 6498274 | Amide derivatives for the treatment of diseases mediated by cytokines The invention concerns the use of amide derivatives of formula (I) wherein: R1 and R2 are substituents such as hydroxy, C1-6 alkoxy, mercapto, C1-6 alkylthio, amino, C1-6 alkylamino and di-(C1-6 | 12/24/2002 |
| 6479710 | Method of catalyzing a gas phase reaction using an acid-base catalyst composed of vanadium pentoxide hydrate A solid acid-base catalyst contains vanadium pentoxide hydrate. Moreover, it is preferable that the vanadium pentoxide hydrate in the solid acid-base catalyst has a composition which is represented by the following general equation (1): V2 O | 11/12/2002 |
| 6479701 | Method of preparing N,N'-disubstituted-3,3'-dithiodipropionamide and method of preparing substituted 3-isothiazolone by using the same A method of preparing N,N-disubstituted-3,3'-dithiodipropionamide of formula (2) is provided. In the method, 3-mercaptopropionamide of formula (4) reacts with an aqueous solution of amine to prepare N-substituted-3-mercaptopropionamide of formula (3) and ... | 11/12/2002 |
| 6469209 | Acrylate-type fungicide The present invention relates to novel acrylate-type N-methyl E-2-(2-methylphenyl)oxymethyl)-6-methylphenyl-glyoxylamide O-methyl oxime represented by formula (1), its preparation method and its use as fungicides. The compound of the present invention has... | 10/22/2002 |
| 6469195 | 2-phenoxyphenylacetic acid derivatives, method and intermediate products for the production thereof, their use, and agents containing the same for combating fungicidal pests 2-Phenoxyphenylacetic acid derivatives of the formula I ##STR1## where the substituents and the index have the following meanings: A is ##STR2## where R1 is halogen, C1 -C4 -alkyl, C1 -C4 -alkoxy, CF... | 10/22/2002 |
| 6426435 | Substantive water-soluble bis-quaternary salts of cinnamidoalkylamines Substantive UV-absorbing water-soluble quaternary salts of cinnamidoalkylamine of formula I. Hair, skin and fabric care compositions containing the compounds of formula I; ##STR1## wherein R1 represents up to four substituents, same or differen... | 07/30/2002 |