Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Iwata0
Takashi Matsumura0
Tatsuya Niimi0
Yoshihiro Norikane0
Date of Patent
February 20, 2024
0Patent Application Number
165575700
Date Filed
August 30, 2019
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A hydrogel object includes a polymer and water, wherein the rate of mass loss is not greater than 20 percent by mass when the hydrogel object is left undone for one week at 25 degrees C. and relative humidity of 50 percent.
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