Patent application number | Description | Published |
20100010189 | GAS-PHASE PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARONITRILES - A gas-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process. | 01-14-2010 |
20100029948 | PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARONITRILES - A liquid-phase process is provided for the manufacture from glutaronitriles and related compounds of 2,6-diaminopyridine and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process. | 02-04-2010 |
20100056749 | PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARIMIDINES - A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process. | 03-04-2010 |
20100145073 | N-SUBSTITUTED PYRROLIDONIUM IONIC LIQUIDS - This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker, which compounds may be represented by the structure of the following Formula I: | 06-10-2010 |
20100145074 | FUNCTIONALIZED N-SUBSTITUTED PYRROLIDONIUM IONIC LIQUIDS - This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker. | 06-10-2010 |
20110077433 | POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF HAVING IMPROVED COLOR AND PROCESSES FOR THEIR PREPARATION - Processes for reducing the color of polytrimethylene ether glycol or copolymers thereof are provided. The processes include polycondensing diols in the presence of an acid catalyst and adding base continuously over a period of the polycondensation reaction. The invention also relates to the polytrimethylene ether glycol thereof produced by these processes. | 03-31-2011 |
20110137048 | FUNCTIONALIZED N-SUBSTITUTED PYRROLIDONIUM IONIC LIQUIDS - This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker. | 06-09-2011 |
20110296993 | CARBON DIOXIDE REMOVAL AND IONIC LIQUID COMPOUNDS USEFUL THEREIN - This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker; and to methods of carbon dioxide removal in which they may be used. | 12-08-2011 |
20110301314 | CONTINUOUS LIQUID-PHASE PROCESS FOR THE SYNTHESIS OF DIAMINOPYRIDINES FROM GLUTARONITRILES - A liquid-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process. | 12-08-2011 |
20120130088 | N-Substituted Pyrrolidonium Ionic Liquids with Expanded Linker - This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker. | 05-24-2012 |
20120157657 | PROCESS FOR THE PREPARATION OF POLYALKYLENE ETHER GLYCOL - Polyalkylene ether glycol or copolymer thereof are prepared by contacting at least one alkanediol with a alkanediol containing cyclic sulfate. | 06-21-2012 |