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Chaogang

Chaogang Liu, Hanover, NH US

Patent application numberDescriptionPublished
20110081697Progressive Fermentation of Lignocellulosic Biomass - Provided are methods for the efficient and cost-reduced production of ethanol or other fermentation products or both from cellulosic biomass, which methods exploit the optimal features of yeasts, fungi, and bacteria while simultaneously minimizing their limitations. For example, one aspect of the present invention relates to methods of producing ethanol or other fermentation products or both from lignocellulosic biomass via progressive fermentation using in series or parallel two or more of yeast, fungus, and bacteria.04-07-2011

Chaogang Lu, Guangdong CN

Patent application numberDescriptionPublished
20080239969Method and System For Data Forwarding in Label Switching Network - The present invention discloses a method for data forwarding used in label switching networks, with which, at the source node, sequence numbers are added to the data packets forming an original data flow to be forwarded according to the forwarding order, then the data packets are mapped to label switched paths (LSP) for forwarding; at the destination node, the data packets received from the LSPs are merged into the same data flow as the original data flow to be forwarded according to the order of the sequence numbers. Meanwhile, during the data forwarding in accordance with the invention, an alarm mechanism is used to detect a faulted LSP, and the mapping strategy is adjusted timely to avoid the massive loss of the data packets, which guarantees the security of the data forwarding to the greatest extent while a high bandwidth utilization ratio is ensured.10-02-2008

Chaogang Wu, Dongyang CN

Patent application numberDescriptionPublished
20090012328Process for preparing bupropion hydrochloride - This invention described a synthesis method of bupropion hydrochloride. m-chloropropiophenone was brominated directly with bromine, then aminated with t-butylamine and finally reacted with HCl to obtain crude product of bupropion hydrochloride. Pure product was obtained after recrystallization. This method is convenient and suitable for commercial manufacturing because of low cost of production, high yield, less byproducts and being environmental friendly.01-08-2009