CIRCE ACQUISITION CORP.
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 09, 2001 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 546 Total Citation Count
- Sep 23, 1988 Earliest Filing
- 13 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5418061 Microporous polysulfone supports suitable for removal of low density lipoprotein-cholesterolExpiredJul 21, 93May 23, 95[B01D]
5298206 Method and apparatus for casting hollow fiber membranesExpiredDec 03, 92Mar 29, 94[D01D, B29C]
5151227 Process for continuous spinning of hollow-fiber membranes using a solvent mixture as a precipitation mediumExpiredMar 18, 91Sep 29, 92[B29C]
5116493 Artificial pancreatic perfusion device with reseedable matrixExpiredMar 25, 91May 26, 92[B01D]
5116494 Artificial pancreatic perfusion device with temperature sensitive matrixExpiredMar 25, 91May 26, 92[B01D]
5096585 Process for preparing protein non-adsorptive microporous polysulfone membranesExpiredJan 28, 91Mar 17, 92[B01D]
4970034 Process for preparing isotropic microporous polysulfone membranesExpiredSep 23, 88Nov 13, 90[B29C]
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