Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576192 | Fluoroionophores and their use in optical ion sensors | Adrian Waldner, Steven M. Barnard, Dirk Beckelmann, Joseph Berger | 2003-06-10 |
| 6468406 | Anion-complexing compound, method of preparing the same, an ion-selective membrane and a sensor provided with such a compound or membrane | Martijn Marcus Gabriël Antonisse, Bianca Henriëtte Maria Snellink-Ruël, Peter Timmerman | 2002-10-22 |
| 6417005 | Covalently immobilized fluoroionophores as optical ion sensors | Steven M. Barnard, Adrian Waldner, Joseph Berger | 2002-07-09 |
| 6294390 | Covalently immobilized fluoroionophores for optical ion sensors | Steven M. Barnard, Rene Beerli, Joseph Berger, Adrian Waldner | 2001-09-25 |
| 5486559 | Optically non-linear active waveguiding material comprising donor and acceptor groups-containing triphenylcarbinols | Johannes Franciscus Joseph Engbersen, Erik Kelderman, Willem Verboom | 1996-01-23 |
| 5434208 | Optically non-linear active waveguiding material comprising a dopant having multiple donor-n-acceptor systems | Jan Gerardus Batelaan, Johannes Franciscus Joseph Engbersen, Erik Kelderman, Willem Verboom | 1995-07-18 |
| 5380423 | Anion-selective membrane and a sensor provided therewith | Johannes Franciscus Joseph Engbersen, Willem Verboom, Dimitri Rudkevich, Walter P. R. V. Stauthamer | 1995-01-10 |
| 5238548 | Membrane selective for metal ions | Peter van der Wal, Udo H. Verkerk, Gerardus W. N. Honig, Hermanus A. J. Holterman, Jan R. Haak | 1993-08-24 |
| 4882292 | Process for manufacturing a REFET or a CHEMFET, and the manufactured REFET or CHEMFET | Ernst J. R. Sudholter, Maria Skowronska-Ptasinska, Peter van der Wal, Albert Van Den Berg | 1989-11-21 |
| 4735702 | Method of producing an ISFET and same ISFET | Marcel L. M. Pennings, Auke Gerardus Talma | 1988-04-05 |
| 4215000 | Dissolving barium sulfate scale with aqueous solutions of bicyclic macrocyclic polyethers and organic acid salts | Feike De Jong, Gerridina J. Torny-Schutte | 1980-07-29 |
| 4199513 | Macrocyclic polyether complexes | Feike De Jong | 1980-04-22 |
| 4190462 | Dissolving barium sulfate scale with aqueous solutions of salts of carboxymethyl monocyclic macrocyclic polyamines | Reike De Jong, Gerridina J. Torny-Schutte | 1980-02-26 |