Inventor · disambiguated record
Michael J. Witham
Also filed as: WITHAM MICHAEL J
5 granted patents·181 citations·filing 1990–2000
83Inventor score
Technology areasB01D
Top patents by PatentIndex Score
5 records- 0181US5006234AReverse osmosis water purification systemsEASTMAN KODAK CO·Filed 1990·Granted Apr 9, 1991·56 cites·17 claims
- 0280US6056903APreparation of polyethersulfone membranesOSMONICS INC·Filed 1999·Granted May 2, 2000·57 cites·19 claims
- 0373US6193077B1Non-cracking hydrophilic polyethersulfone membranesOSMONICS INC·Filed 1999·Granted Feb 27, 2001·38 cites·7 claims
- 0459US5693231AAromatic/aliphatic nylon polymer microporous membranesMICRON SEPARATIONS INC·Filed 1995·Granted Dec 2, 1997·28 cites·41 claims
- 0549US6465050B2Non-cracking hydrophilic polyethersulfone membranesOSMONICS INC·Filed 2000·Granted Oct 15, 2002·2 cites·6 claims
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