CD Medical, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4968420 Dissolution method and apparatusExpiredMar 13, 89Nov 06, 90[B01L]
4940455 Method and apparatus for single needle dialysisExpiredApr 13, 89Jul 10, 90[A61M]
4918019 Bioreactor system with plasticizer removalExpiredFeb 05, 87Apr 17, 90[C12M]
4894342 Bioreactor systemExpiredSep 22, 86Jan 16, 90[C12M]
4889812 Bioreactor apparatusExpiredMay 12, 86Dec 26, 89[C12M]
4821769 Valve monitor and methodExpiredNov 12, 86Apr 18, 89[F16K]
4812239 Dry chemical mix system for hemodialysisExpiredMay 15, 87Mar 14, 89[B01D]
4769134 Open patient fluid management method and systemExpiredDec 13, 85Sep 06, 88[B01D]
4747950 Method and apparatus for controlled ultrafiltration during hemodialysisExpiredJun 06, 86May 31, 88[B01D]
4728433 Ultrafiltration regulation by differential weighingExpiredFeb 02, 84Mar 01, 88[B01D]
4715959 Apparatus and method for controlling ultrafiltration during hemodialysisExpiredMay 03, 84Dec 29, 87[B01D]
4543221 Method for making cellulose semipermeable hollow fibersExpiredOct 21, 81Sep 24, 85[B29D]
4477342 Apparatus and method for controlling ultrafiltration during hemodialysisExpiredAug 31, 82Oct 16, 84[B01D]

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