Cordis Dow Corp.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D271801 Artificial kidney assembly package with attached blood pump and multifunctional subassemblyExpiredMay 26, 81Dec 13, 83[D240]
D271802 Artificial kidney assembly package with attached blood pump and multifunctional subassemblyExpiredMay 26, 81Dec 13, 83[D240]
4414110 Sealing for a hollow fiber separatory deviceExpiredJan 12, 81Nov 08, 83[B01D]
4412916 Airless artificial kidney assemblyExpiredJun 24, 81Nov 01, 83[A61M]
4411603 Diaphragm type blood pump for medical useExpiredJun 24, 81Oct 25, 83[F04B, A61M]
4394052 Carpet take-up device and method for using the sameExpiredJul 16, 81Jul 19, 83[A47L, B65H]
4375413 Rinsing device and method of rinsing artificial kidneys therewithExpiredJun 19, 81Mar 01, 83[B01D]
4366061 Automated diaphragm apparatus and method for controlling negative pressure hemodialysis treatmentExpiredOct 31, 80Dec 28, 82[B01D]
D264878 Dialysate delivery machineExpiredMay 22, 79Jun 08, 82[D240]
D263997 Infusion pump apparatusExpiredNov 13, 79Apr 20, 82[D240, D150]
D260813 Hollow fiber artificial kidneyExpiredMay 14, 79Sep 15, 81[D240]
D260174 Hollow fiber artificial kidneyExpiredMay 14, 79Aug 11, 81[D240]
4276173 Cellulose acetate hollow fiber and method for making sameExpiredDec 21, 78Jun 30, 81[B01D]
4269712 Hollow fiber separatory element and method of making sameExpiredMay 14, 79May 26, 81[B01D]
4231871 Artificial kidney and method for making sameExpiredAug 07, 78Nov 04, 80[B01D, A61M]
4211597 Method for making artificial kidneyExpiredJun 10, 77Jul 08, 80[B29C, B01D]
4209391 Apparatus and method for automatically controlling hemodialysis at a pre-selected ultrafiltration rateExpiredNov 06, 78Jun 24, 80[G05D, B01D]
4202760 Apparatus and method for preparation of a hemodialysis solution optionally containing bicarbonateExpiredJul 24, 78May 13, 80[B01D]
4184489 Infusion tube access siteExpiredDec 01, 77Jan 22, 80[F16L, A61M]

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