Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hisashi Ukawa0
Akio Yamane0
Date of Patent
October 20, 2009
0Patent Application Number
122164510
Date Filed
July 3, 2008
0Patent Primary Examiner
Patent abstract
Active carboxylic acid ester groups are coupled on the surfaces of microspheres so as to reduce protocols for microsphere processing, control side reactions, and stably preserve beads containing active carboxylic acid ester groups. Further, microspheres labeled with at least one fluorescent dye cage in the microspheres, and the microspheres are preserved in lower alcohol.
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