Oy Santasalo-Sohlberg AB

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5008079 Apparatus and method for sterilizing or disinfecting objectsExpiredJan 19, 89Apr 16, 91[A61L]
4946559 Removal of dissolved volatile impurities from liquidExpiredNov 03, 88Aug 07, 90[C02F]
4942847 Generation and accumulation of steamExpiredJan 27, 89Jul 24, 90[F22B]
4767502 Steam generator in a multi-stage distilling apparatusExpiredMay 20, 87Aug 30, 88[B01D]
4733637 Pure steam generatorExpiredFeb 05, 87Mar 29, 88[F23M, F22B]

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