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| Number | Title | Issue Date |
| 8124808 | Transalkoxylation of nucleophilic compounds A method of transalkoxylation of nucleophilic compounds in which an alkoxylated and a nucleophilic compound are combined in a suitable vessel and reacted in the presence of a heterogeneous catalyst under conditions capable of transferring at least one hydroxyalkyl g... | 02/28/2012 |
| 7393979 | Process for producing optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine The present invention relates to a process for producing an optically active 1-alkyl-substituted 2,2,2-trifluoroethylamine, which is an important intermediate of medicines and agricultural chemicals, and which is represented by the formula [3] [in the formula R repr... | 07/01/2008 |
| 7115238 | Crystalline silicoaluminophosphate salt molecular sieve having octaoxygen-membered ring pore, process for producing the same and process for producing methylamine with the molecular sieve as catalyst Problems on catalyst production and catalyst performance with respect to conventional 8-oxygen-membered ring micropore-containing crystalline silicoaluminophosphate molecular sieves as non-equilibrium methylamine synthesis catalysts, are resolved. A chabazite type c... | 10/03/2006 |
| 7053246 | Preparation of a symmetrical secondary amine Process for preparing a symmetrical secondary amine by reaction of a primary amine in the presence of hydrogen and a catalyst whose preparation has involved precipitation of catalytically active components onto monoclinic, tetragonal or cubic zirconium dioxide. ... | 05/30/2006 |
| 6773928 | Compositions and methods for enhancing bioassay performance Compositions of matter and methods for enhancing bioassay performance are disclosed. More particularly, the composition of matter comprises a molecularly compact polymer-ligand conjugate capable of self-orienting on a surface to improve the orientation of the ligand... | 08/10/2004 |
| 6495724 | Catalysts for producing methylamines and method for manufacturing the same Catalysts useful for producing methylamines and having practical catalyst life and large selectivity for dimethylamine comprise crystalline silicoaluminophosphate molecular sieves which have a molar ratio of silicon atom to aluminum atom in the range of 0... | 12/17/2002 |
| 6469214 | Process for the preparation of ethanolamines A process for the preparation of one or more ethanolamines (I), chosen from the group consisting of monoethanolamine, diethanolamine and triethanolamine, by conversion of one or more ethanolamines (II) different from the ethanolamine(s) (I), chosen from t... | 10/22/2002 |
| 6417403 | Process for preparing chiral (s)-2,3-disubstituted-1-propylamine derivatives A process for the preparation of chiral (S)-2,3-disubstituted-1-propylamine derivatives, in which a carbonyl group of (S) 3,4-disubstituted-1-butanecarbonyl derivatives is converted to an amine group, and the conversion reaction is performed through Curti... | 07/09/2002 |
| 6294633 | Catalysts for producing methylamines Catalysts for producing methylamines are provided, which comprise mordenite, as the essential component, of spherical fine particles having a crystal diameter of not more than 0.5 μm. When the catalysts are used for the production of dimethylamine from m... | 09/25/2001 |
| 6166259 | Process for preparing a 1,1,1-trifluoro-2-aminoalkane The invention relates to a process for the preparation of a 1,1,1-trifluoro-2-aminoalkane of formula I ##STR1## wherein R1 represents an optionally substituted alkyl group; which comprises heating a mixture consisting essentially of a comp... | 12/26/2000 |
| 5274118 | Process for preparing (2R)-methyl-4,4,4-trifluorobutylamine A process for the preparation of (2R)-methyl-4,4,4-trifluorobutylamine, or an acid addition salt thereof which comprises a) acylating an optically active amine with 2-methyl-4,4,4-trifluorobutanoic acid or a reactive derivative thereof to afford a butyram... | 12/28/1993 |
| 5105014 | Synthesis of vicinal diamines The present invention relates to an improved method of forming vicinal diamines. The method according to the present invention has the advantage of being highly stereoselective, capable of forming a wide variety of diamines including racemic and enantiome... | 04/14/1992 |
| 4871874 | Process for producing dienes Alkadienes are produced by reacting alkenyltrialkylammonium halide in which the double bond is allylic or homoallylic relative to the nitrogen atom with a strong inorganic base under phase transfer conditions. In this reaction trialkylamine is eliminated ... | 10/03/1989 |
| 4625064 | Method for producing bis [ଲ(N,N-dimethylamino)ethyl]ether An improved process for preparing a bis [ଲ-(N,N-dimethylamino)ethyl]ether by reacting a bismethohalide of bis [ଲ-(N,N-dimethylamino)ethyl]ether represented by the following general formula: ##STR1## (wherein X denotes a halogen atom)... | 11/25/1986 |
| 4492803 | Method for producing bis[ଲ-(N,N-dimethylamino)alkyl]-ether A method for preparing a bis[ଲ-(N,N-dimethylamino)alkyl]ether by reacting a bismethohalide of bis[ଲ-(N,N-dimethylamino)alkyl]ether represented by the following general formula ##STR1## (wherein R and R' denote alkyl groups having 2-3 carb... | 01/08/1985 |
| 4485261 | Process for producing methylamines Methylamines rich in dimethylamine are produced through two-step reaction of ammonia and methanol in which two types of catalysts are used and the methylamine mixture produced is recycled to the first step reaction.... | 11/27/1984 |
| 4405812 | Process for ortho dealkylation of aromatic amines Ortho-methyl groups are preferentially removed from o-methyl substituted aromatic amines by contacting with a nickel catalyst at about 200°-400° C.... | 09/20/1983 |
| 4328370 | Ammonation of trialkanolamines Lower trialkanolamines such as triethanolamine and triisopropanolamine are converted to the corresponding mono- and dialkanolamine by reacting with ammonia at about 150° C.-275° C. under superatmospheric pressure in the presence of a hydrogenation catal... | 05/04/1982 |
| 4091019 | Preparation of unsaturated primary amines A process for the production of unsaturated primary amines which comprises reacting, in the substantial absence of molecular oxygen, an amine having the formula (R1 HC=CR2 CH2)m N H (3-m), wherein m is 2 or 3 and R1 | 05/23/1978 |
