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Organic compounds -- part of the class 532-570 series January USPTO class listing 01/08

20080027245 - Fluorescent dyes for use in glucose sensing: A novel class of compounds that includes HPTS-Cys-MA, and methods of making them are disclosed herein. The class of compounds including HPTS-Cys-MA are useful as fluorescent dyes for analyte detection.... Agent: Knobbe Martens Olson & Bear LLP

20080027246 - Process for forming perfluorinated-alkyl sulfonamide substituted norbornene-type monomers: Embodiments in accordance with the present invention are directed to providing processes for forming fluorinated-alkyl and particularly perfluorinated-alkyl sulfonamide substituted norbornene-type monomers.... Agent: Promerus, LLC

20080021244 - Levalbuterol hydrochloride polymorph a: The invention is directed to processes for making levalbuterol HCl Polymorph A from by suspending or forming a first slurry of (R)-SLB(D)-DBTA in at least a first organic solvent, adding HCl to the suspension or slurry of the solid (R)-SLB.D-DBTA until the (R)-SLB.D-DBTA forms levalbuterol HCl Polymorph A, and isolating... Agent: Kenyon & Kenyon LLP

20080015387 - Process for producing hydrazone compound: without taking the hydrazine compound out of a reactor According to the invention, the target hydrazone compound can be obtained in high quality and in a high yield without taking the hydrazine compound out of the reactor at all, the hydrazine compound being a reaction intermediate which is structurally unstable... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080015388 - Method for preparing hydroxylamine: allowing the metal impurities in the acidic buffer solution to react with the precipitant to form metal complex, and then to remove the metal complex. The metal complex is formed and separated by pretreating the acidic buffer solution with a specific precipitant without adjusting pH and changing the composition of... Agent: Edwards Angell Palmer & Dodge LLP

20080009654 - Production of xylylenediamines: A method of producing xylylenediamine by a two-stage hydrogenation of a starting phthalonitrile in a solvent. The main steps of the method are a hydrogenation step 1 and a hydrogenation step 2. In the hydrogenation step 1, a solution of the starting phthalonitrile in the solvent containing liquid ammonia is... Agent: Antonelli, Terry, Stout & Kraus, LLP