| 7122613 |
Method for the production of polycarbonates |
Eugène Theodorus Wilhelmus Maria Schipper, Hendricus Franciscus Zirkzee, Jan Henk Kamps |
2006-10-17 |
| 6787633 |
Method and apparatus for preparing a poly(arylene ether) |
Wiebe Knol, Peter Groefsema |
2004-09-07 |
| 6680270 |
Regeneration of catalysts used in the manufacture of bisphenols |
Alexey Kruglov, Sheldon J. Shafer, Chuks O. Mbeledogu, Darlene Hope Nance, Karl Aaron Baro +3 more |
2004-01-20 |
| 6635788 |
Process for manufacture of bisphenols |
Martin Herke Oyevaar, Eduard Hendricus Schlarmann |
2003-10-21 |
| 6486222 |
Combination ion exchange resin bed for the synthesis of bisphenol A |
Gaylord M. Kissinger, Sheldon J. Shafer, Harish Radhakrishna Acharya, Eduard Hendricus Schlarmann |
2002-11-26 |
| 6403754 |
Optimization of polycarbonate preparation by transesterification |
Patrick Joseph McCloskey, Paul Michael Smigelski, Jr., Timothy Brydon Burnell, Juan Rodriques Ordonez, Ignacia Vic Fernandez +2 more |
2002-06-11 |
| 6245951 |
Process for cleaning bisphenol pre-reactor |
Jan Visser, Hendrik Herman Care, Edwin Van Der Schuit, Robbert Vos |
2001-06-12 |
| 6203612 |
Process for cleaning bisphenol crystallizer |
Jan Huibert Weijland, Mourice Van Sintemaartensdijk |
2001-03-20 |
| 6011184 |
Descaling of bisphenol-A reactor using water |
Johan Adrianus Aarssen, Gerrit Op Den Dries, Ad Nieuwlaat, Marcel Vieveen |
2000-01-04 |