Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155709 | Sythesis of bisphenols | Arun Vasant Manchekar, Samir Anapat | 2018-12-18 |
| 9732022 | Recovery of materials from a mother liquor residue | Ahmed Abouelfetouh Youssef, Mohan Khadilkar | 2017-08-15 |
| 8034967 | Method of preparing a purified ester-substituted phenol stream | Hatem Abdallah Belfadhel, Stephan Bouwens | 2011-10-11 |
| 7619053 | Monomer solution for producing polycarbonate | Hans-Peter Brack, Maarten Antoon Jan Campman, Yohana Perez de Diego, Laurus van der Wekke, Dennis James Patrick Maria Willemse | 2009-11-17 |
| 7601794 | Monomer solution for producing polycarbonate | Hans-Peter Brack, Maarten Antoon Jan Campman, Yohana Perez de Diego, Laurus van der Wekke, Dennis James Patrick Maria Willemse | 2009-10-13 |
| 6860972 | Process for detecting the location of a phase interface | Karithik Balakrishnan, Danny L. McNeil, Claude Tinney, Cornelis Adrianus Maria van Gool, Anthony Warren +2 more | 2005-03-01 |
| 6858759 | Process for manufacture of bisphenols | Rudy Francois Alain Jos Peemans, Eduard Hendricus Schlarmann | 2005-02-22 |
| 6635788 | Process for manufacture of bisphenols | Rudy Francois Alain Jos Peemans, Eduard Hendricus Schlarmann | 2003-10-21 |
| 6420517 | Process for resin phase separation by plate decantation | Cornelius Adrianus Maria van Gool, Anthony Warren, Claude Tinney, Mingjie Zhu | 2002-07-16 |
| 6340736 | Method and apparatus for the production of polycarbonates with brine recycling | Nicolaas Petrus Maria Coenen, Jan Gerritsen, Rolf Grootveld, Raimund Frans Vandenbussche, Hendricus Franciscus Zirkzee | 2002-01-22 |
| 6133486 | Phenol recovery from BPA process waste streams | Christianus Johannes Jacobus Maas, Jos H. M. Graff | 2000-10-17 |
| 6093842 | Process for continuous production of carbonate esters | Bill W. To, Michael F. Doherty, Michael Francis Malone | 2000-07-25 |
| 5723689 | Process for recovering bisphenols | Eric James Pressman, Sheldon J. Shafer, Joseph Richard Wetzel | 1998-03-03 |
| 5399657 | Method of preparing chloroformate compounds | Henricus H. M. van Hout, Christianus Johannes Jacobus Maas, Laurus van der Wekke | 1995-03-21 |
| 5210172 | Method for the continuous preparation of carbonate oligomers with loop reactor, static mixer and plug flow | Hendricus H. M. van Hout, Bert J. Held | 1993-05-11 |
| 5182361 | Method for the continuous preparation of aromatic polycarbonate having a high molecular weight with static mixer and plug flow | Hendricus H. Maria van Hout, Bert J. Held | 1993-01-26 |