Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829467 | Process for producing a cyclic acetal in a heterogeneous reaction system | Joni Sianturi, Hanno Hueckstaedt, Matthias Göring, Stanley Leonard | 2020-11-10 |
| 9938379 | Salt byproduct separation during formation of polyarylene sulfide | Hendrich Chiong, Michael Haubs, Mark Shatzer, Jacob Grayson | 2018-04-10 |
| 9868824 | Method of polyarylene sulfide crystallization | Hendrich Chiong, Michael Haubs, Stanley Leonard, Jacob Grayson, Venkata Nekkanti | 2018-01-16 |
| 9587074 | Multi-stage process for forming polyarylene sulfides | Hendrich Chiong, Michael Haubs, Stanley Leonard, Jacob Grayson, Venkata Nekkanti | 2017-03-07 |
| 9499512 | Process for producing a cyclic acetal in a heterogeneous reaction system | Michael Haubs, Joni Sianturi, Klaus Kurz, Jurgen Lingnau | 2016-11-22 |
| 9469624 | Integrated process for producing cyclic acetals and oxymethylene polymers | Michael Haubs, Michael Hoffmockel, Klaus Kurz, Jurgen Lingnau | 2016-10-18 |
| 9403948 | Salt byproduct separation during formation of polyarylene sulfide | Hendrich Chiong, Michael Haubs, Mark Shatzer, Jacob Grayson | 2016-08-02 |
| 9388283 | Method of polyarylene sulfide crystallization | Hendrich Chiong, Michael Haubs, Stanley Leonard, Jacob Grayson, Venkata Nekkanti | 2016-07-12 |
| 7067704 | Process for purifying bisphenol-a | Thomas C. Young, Johann-Wilhelm Frey | 2006-06-27 |
| 6740684 | Process for producing a strong-acid cation exchange resin | Mihail Paliuras, Johann-Wilhelm Frey | 2004-05-25 |