Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chikako Nakamura0
Kazuhiko Nakada0
Tatsuya Hayashi0
Date of Patent
April 29, 2008
0Patent Application Number
100887700
Date Filed
September 20, 1999
0Patent Primary Examiner
Patent abstract
A highly safe liquid preparation for contact lenses which contains 0.3 to 50 ppm of a polyamine having recurring units of the formula (I):
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