Wei Leng
Wei Leng, Lemfoerde DE
Patent application number | Description | Published |
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20100217010 | PROCESS FOR PREPARING IONIC LIQUIDS BY ANION EXCHANGE - Process for preparing salts of the formula I | 08-26-2010 |
20100300870 | DISTILLATION OF IONIC LIQUIDS - Method of distilling mixtures comprising salts having a melting point of less than 200° C. at 1 bar (ionic liquids), wherein | 12-02-2010 |
20120116068 | METHOD FOR BREAKING DOWN CELLULOSE IN SOLUTION - The present invention describes a process for the degradation of cellulose by dissolving the cellulose in an ionic liquid and treating it with an acid, if appropriate with addition of water. | 05-10-2012 |
Wei Leng, Siegen DE
Patent application number | Description | Published |
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20090020112 | METHOD FOR BREAKING DOWN CELLULOSE - The present invention describes a process for the degradation of cellulose by dissolving the cellulose in an ionic liquid and treating it at elevated temperature, if appropriate in the presence of water. | 01-22-2009 |
20090062524 | METHOD FOR BREAKING DOWN CELLULOSE IN SOLUTION - The present invention describes a process for the degradation of cellulose by dissolving the cellulose in an ionic liquid and treating it with an acid, if appropriate with addition of water. | 03-05-2009 |
20090187016 | METHOD FOR PRODUCING CELLULOSE ACETALS - The present invention describes a process for preparing acetals of polysaccharides, oligosaccharides or disaccharides by dissolving these in at least one ionic liquid and reacting them with a vinyl ether. The acetalated polysaccharides or oligosaccharides obtained in this way can be crosslinked by treatment with acid. The present invention also provides acetals of polysaccharides, oligosaccharides or disaccharides and also crosslinked polysaccharides or oligosaccharides. | 07-23-2009 |
20090281303 | PROCESS FOR SILYLATING CELLULOSE - The present invention describes a process for silylating polysaccharides, oligosaccharides or disaccharides or derivatives thereof by dissolving these in an ionic liquid and reacting them with a silylating agent. | 11-12-2009 |
20090326216 | PROCESS FOR ACYLATING CELLULOSE - The present invention describes a process for acylating polysaccharides, oligosaccharides or disaccharides or derivatives thereof by dissolving these in an ionic liquid and reacting them with a ketene, and also novel acylated polysaccharides, oligosaccharides or disaccharides or derivatives thereof. | 12-31-2009 |
Wei Leng, Shanghai Yang Pu CN
Patent application number | Description | Published |
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20140093668 | PIPELINE WITH HEAT-STORING PROPERTIES - The present invention relates to a process for producing pipelines with heat-storing properties, in which a) organic polyisocyanate is mixed with b) at least one polymeric compound having at least two isocyanate-reactive hydrogen atoms, c) optionally chain extender and/or crosslinker, d) catalyst, e) wax and f) optionally other assistants and/or additives, to give a first reaction mixture, and the first reaction mixture is applied to a pipe and allowed to react fully to give a first polyurethane layer. The present invention further relates to a pipeline with heat-storing properties obtainable by such a process. | 04-03-2014 |
Wei Leng, Jiangsu CN
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20140163745 | Method for Optimizing the Configuration of Distributed CCHP System - A method for optimizing the configuration of a distributed CCHP system is disclosed. The method includes: creating a digital model database containing digital models of various energy use, conversion forms in the distributed CCHP system; creating a feasible configuration solution database according to load demands, constraints and combined screening strategy, wherein the total number of the configuration solutions in the configuration solution database is set as N; performing an all-year hourly operational strategy optimization on each configuration solution in the configuration solution database, based on an annual load demand curve, until the annual operating costs, annual one-time energy consumption and annual pollutant emission of the i | 06-12-2014 |