Distillation: processes, separatory inventions 02/06

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02/23/2006 > patent applications in patent subcategories.
02/16/2006 > 1 patent applications in 1 patent subcategories.

20060032734 - Method for the productiong of an aqueous hydroxylamine solution: This invention relates to a method for producing an aqueous solution of free hydroxylamine (HA) by simultaneous countercurrent treatment of a HA salt with ammonia or ammonia water, then separating the HA by distillation and reconcentrating the aqueous HA solution in a countercurrent with a stripping medium. The stripping medium...

02/09/2006 > 1 patent applications in 1 patent subcategories.
02/02/2006 > 1 patent applications in 1 patent subcategories.
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