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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7754920 | Solvent reduction in crystallisation of intermediate for non-ionic X-ray contrast agents This invention relates to an improved method for crystallizing 5-acetamido-N,N′-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide (“Compound A”), an intermediate in the industrial preparation of non-ionic X-ray contrast agents. In particular, the present in... | 07/13/2010 |
| 7411091 | N-acyl-N′-benzyl-alkylendiamino derivatives This invention is related to compounds and use of N-Acyl-N′-benzyl-alkylendiamino derivatives of the following general formula (I), wherein A is a straight or branched C2-C8 alkyl chain; X is a methylene, oxygen, sulphur or a NR7 g... | 08/12/2008 |
| 7268255 | Process for the preparation of -substituted formamides N-Aryl or N-heteroarylformamides are prepared by hydrogenating a corresponding nitroarene or nitroheteroarene with formic acid and/or ammonium formate as hydrogen donor and formylating agent in the presence of at least one noble metal-based hydrogenation catalyst an... | 09/11/2007 |
| 7268252 | Binaphthol derivatives and their use in optical resolution or optical transformation Disclosed herein are novel binaphthol derivatives and methods for the optical resolution of amino acids or amino alcohols and for the optical transformation of D, L-forms of amino acids using the same. ... | 09/11/2007 |
| 7138140 | Suplatast tosilate crystals Provided are a suplatast tosilate crystal showing characteristic peaks in powder X-ray diffraction diffraction angles (20±0.1°) of 5.6°, 9.0°, 11.0°, 15.3°, 16.5°, 17.2°, 17.9°, 19.2°, 19.9°, and 21.5°; and a preparation process of the crystal. Owing to ... | 11/21/2006 |
| 7041852 | Perfluoroalkylanilines The present invention relates to a process for preparing perfluoroalkylanilines and to their use for preparing active ingredients, in particular for agrochemicals. ... | 05/09/2006 |
| 6946462 | N-monoacylated derivatives of o-phenylenediamines, their analogs and their use as pharmaceutical agents New compounds represented by the formula or pharmaceutically acceptable salts or prodrugs thereof, wherein X1 and X2 are each independently selected from a CH group or a nit... | 09/20/2005 |
| 6946025 | Process for preparing tetra-amide compounds Disclosed is a process for preparing a tetra-amide which comprises carrying out a condensation reaction between a diacid, a monoacid, and a diisocyanate, thereby forming a tetra-amide. Also disclosed is a process for preparing a phase change ink composition which co... | 09/20/2005 |
| 6870069 | Phenyloxyaniline derivatives A phenyloxyaniline derivative useful as a ligand for peripheral benzodiazepine receptor having a strong affinity and a high selectivity, which is represented by formula (1): wherein X1 and X2 are ... | 03/22/2005 |
| 6869953 | N-monoacylated derivatives of o-phenylenediamines, their analogs and their use as pharmaceutical agents New compounds represented by the formula or pharmaceutically acceptable salts or prodrugs thereof, wherein X1 and X2 are each independently selected fr... | 03/22/2005 |
| 6864246 | Anilide and cyclodextrin complexes, their preparation and their use as medicine in particular for treating dyslipidemiae The invention concerns more particularly dodecylthio-phenylacetanilide derivative complexes such as (S)-2′,3′,5′-trimethyl-4′-hydroxy-α-dodecylthio-phenylacetanilide or related derivatives thereof and cyclodextrins. ... | 03/08/2005 |
| 6855847 | Process for producing optically active amide from α β- unsaturated amide derivative in the presence of transition metal complex containing phosphine-phosphorane compound and transition metal A novel process for producing an optically active amide excellent in chemical selectivity and enantioselectivity by asymmetric hydrogenation of an α,β-unsaturated amide and also allowing the reaction to proceed efficiently even when a trace amount of a catalyst is... | 02/15/2005 |
| 6818662 | Pharmaceutical composition The present invention provides a pharmaceutical composition comprising N-(3-chloro-4-morpholin-4-yl)phenyl-N′-hydroxyimidoformamidine and sulfobutyl ether β-cyclodextrin or a salt thereof, wherein sulfobutyl ether β-cyclodextrin increases the solubility of N-(3-... | 11/16/2004 |
| 6770784 | Use of γ-hydroxybutyric acid amides in the treatment of drug addiction and in particular of alcoholism Gamma-hydroxybutryic acid amides are used in the treatment of drug addiction and especially in the treatment of alcoholism. ... | 08/03/2004 |
| 6767925 | Sprayable analgesic composition and method of use A sprayable analgesic composition containing an analgesic which is absorbed into the bloodstream through the buccal mucosa and a pharmacologically acceptable liquid carrier. ... | 07/27/2004 |
| 6740253 | Preparation of non-hazardous brominating reagents The present invention relates to a non-hazardous brominating reagent from an aqueous alkaline bromine byproduct solution obtained from bromine recovery plant and containing 25 to 35% bromine dissolved in aqueous lime or sodium hydroxide containing alkali bromide and... | 05/25/2004 |
| 6723717 | Sulfur-containing thyroxane derivatives and their use as hair growth promotors The present disclosure describes novel compounds of formula (A), wherein R1-R12, X and Y have the meanings given in the specification and compositions containing them which are particularly useful for treating hair loss in mammals, including ar... | 04/20/2004 |
| 6673967 | Method of processing of hydrogen for reductive acylation of nitro, azido and cyano arenes A method for processing of hydrogen for the reductive acylation of nitro, azido and cyano arenes is disclosed. More particularly, improved process for the preparation of amides and anilides using C3 -C7 carboxylic acids as proton sou... | 01/06/2004 |
| 6653323 | Aryl aniline 댢 adrenergic receptor agonists The invention provides novel 댢 adrenergic receptor agonist compounds. The invention also provides pharmaceutical compositions comprising such compounds, methods of using such compounds to treat diseases associated with 댢 | 11/25/2003 |
| 6646137 | Non-peptide GnRH agents Non-peptide GnRH agents capable of inhibiting the effect of gonadotropin-releasing hormone are of the following general formula, where X1, X2, Y, and Z are defined variables: ##STR1## Such compounds and their pharmaceutically accepta... | 11/11/2003 |
| 6620962 | Method for producing n-butyryl-4-amino-3-methyl-methyl benzoate and the novel compound n-(4-bromine-2-methylphenyl)-butanamide According to the invention, N-butyryl-4-amino-3-methyl-methyl benzoate is obtained in a particularly advantageous manner by, initially, reacting o-toluidine with butyric acid chloride, by brominating the reaction product and by reacting the bromide obtain... | 09/16/2003 |
| 6576793 | 댢-adrenergic receptor agonists Disclosed are multibinding compounds which are 댢 adrenergic receptor agonists and are useful in the treatment and prevention of respiratory diseases such as asthma and bronchitis. They are also useful in the treatment of nervous system injury and p... | 06/10/2003 |
| 6576782 | Halogenation of protected phenols in meta position The invention concerns a halogenation in position meta of a phenol fuction. Said halogenation comprises a step which consists in halogenating an aromatic derivative of a medium or advantageously strong acid, the aromatic radical being a phenyl substituted... | 06/10/2003 |
| 6545053 | Tricyclic compounds and drug compositions containing same Compounds having a ଲ-3 adrenaline receptor agonist and are useful as drugs for the treatment and prevention of diabetes, obesity, hyperlipemia, etc., represented by a general formula (I) and salts thereof, and a process for producing these, and thei... | 04/08/2003 |
| 6489474 | Process for producing amide compound Object of the present invention is to provide a process for producing an amide compound with high efficiency by subjecting an oxime compound to Beckmann rearrangement in a liquid phase under mild reaction conditions. Namely, the invention relates to a pro... | 12/03/2002 |
| 6486351 | Method for condensation of aromatic derivative(s) and a sulphinic derivative The invention concerns a method for the condensation of aromatic derivative(s) or a sulphinic derivative by a perhalogenated, advantageously perfluorinated, carbon atom. Said method is characterized in that it consists in subjecting said sulphinic derivat... | 11/26/2002 |
| 6437133 | Method of catalytically removing a protective group containing an allyl group using a reducing agent A method of efficiently removing the protective group from a protected hydroxyl or amino group with an allyl derivative by one step reaction under neutral conditions. A protected hydroxyl or amino group is converted into a free hydroxyl or amino group in ... | 08/20/2002 |
| 6410749 | Process for the preparation of optically active amino alcohols Process for preparing optically active ଲ-amino alcohols represented by a general formula (2): Ra--C*H(OH)--C*H(Rb)--Rc wherein Ra and Rc are each independently hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, Rb is one memb... | 06/25/2002 |
| 6388127 | Process for preparing cyclic thioamides The present invention relates to a process for preparing a compound of the formula ##STR1## wherein b, Y and R3 are defined as above, useful for preparing novel aralkyl and aralkylidene heterocyclic lactams and imides which are selective a... | 05/14/2002 |
| 6359009 | Substituted anilide insecticidal agents Pesticidal substituted anilide compounds having the structural formula I ##STR1## and compositions and methods comprising those compounds for the control of insect pests.... | 03/19/2002 |
| 6350902 | Process for the selective N-formylation of N-hydroxylamines The instant invention provides a process for the selective N-formylation of N-hydroxylamines.... | 02/26/2002 |
| 6262308 | Process for the preparation of racemic sertraline The invention relates to a process for preparing cis-N-methyl-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-1-naphthylamine, or racemic sertraline, corresponding to formula (I) ##STR1## in salt form, starting with 4-(3,4-dichlorophenyl)tetralone of formula (I... | 07/17/2001 |
| 6242609 | Method for manufacturing a color coupler used in a silver halide photographic light-sensitive material A method for manufacturing a color coupler used in a silver halide photographic light-sensitive material using an ammonium trihalide. Said method for manufacturing the color coupler comprising the following step: a step for halogenating a coupling position of ... | 06/05/2001 |
| 6218565 | Method for producing N-(3-amino-4-fluoro-phenyl)-sulphonamides, N-(3-amino-4-fluoro-phenyl)-carboxylic acid amides and N-(3-amino-4-fluorophenyl) carbamates The invention relates to a process for preparing N-(3-amino-4-fluoro-phenyl)-sulphonamides, N-(3-amino-4-fluoro-phenyl)-carboxamides or N-(3-amino-4-fluoro-phenyl)-carbamates of the general formula (I) ##STR1## in which A represents SO2, C... | 04/17/2001 |
| 6191309 | Method for preparing halogenated 2-amino or 2-acetamido trifluoromethylbenzene derivatives The halogenation of a compound of formula (1) or formula (2'), wherein Q is an NH2 group optionally in the form of an addition salt, or an NHCOCH3 group, and X is a halogen atom, using a compound of formula X2, in a solven... | 02/20/2001 |
| 6069276 | Oxyalkylene-substituted m-amidoaniline intermediate This invention relates to very specific oxyalkylene-substituted m-amidoaniline compounds as intermediates for the production of poly(oxyalkylene)-substituted diazo (or other type) colorants. Such an inventive intermediate compound is produced in a single ... | 05/30/2000 |
| 5965735 | Process for preparing flunixin and intermediates thereof Process for preparing a key intermediate, 2-methyl-3-trifluoromethylaniline (MTA) of Flunixin, as well as novel intermediates thereof are described.... | 10/12/1999 |
| 5907063 | Aromatic bromination process Activated aromatic compounds are more economically ring brominated by reacting the compounds with a sulfoxide/HBr brominating agent while removing water from the reaction mixture. The water removal provides high conversions and yields when employing stoic... | 05/25/1999 |
| 5861535 | Reductive alkylation process to prepare tertiary aminoaryl compounds Tertiary aminoaryl compounds, such as N,N'dialkylaminoaryl compounds, are prepared using successive reductive steps without isolation therebetween, at high temperature and pressure. A nitroaryl compound is reduced using a ketone as both solvent and reacta... | 01/19/1999 |
| 5856575 | Process for the preparation of N-acetyl aminophenols This invention provides a process for the manufacture of N-acetyl amino phenol, which process comprises reacting an appropriate phenol and an amide in the presence of a heteropoly acid or its alkali metal salt catalyst.... | 01/05/1999 |