ISE KAGAKU KOGYO KABUSHIKI KAISHA

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4992216 Method for producing ozone-containing waterExpiredDec 20, 89Feb 12, 91[B01F]
D303265 HopperExpiredJun 12, 86Sep 05, 89[]
4836421 Transportable hopper and tank assemblyExpiredAug 31, 88Jun 06, 89[B67D]
4705221 Quantitative continuous feeding method for iodineExpiredAug 14, 86Nov 10, 87[B02C]
4552566 Globulous products of subliming substance, its manufacturing process and manufacturing apparatusExpiredJan 21, 83Nov 12, 85[C01B]

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