Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mitsuru Nakajima0
Takashi Miyai0
Date of Patent
September 15, 2009
0Patent Application Number
117309100
Date Filed
April 4, 2007
0Patent Primary Examiner
Patent abstract
There is disclosed a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof. The poly-vinylpyrrolidone powder composition is produced by adding a secondary amine or a salt thereof to polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130, or by heat drying an aqueous solution containing polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof.
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