Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378175 | Process for the preparation of ethylene glycol | Koen Wolf, Timothé Johannes Olthof, Daniel Maurice Lorimer | 2025-08-05 |
| 11807594 | Process for the preparation of ethylene glycol | Petrus Johannes Gerardus Boons | 2023-11-07 |
| 9527787 | Process for the preparation of alkylene carbonate and/or alkylene glycol | Wayne Errol Evans, Marek Matusz, Martin Hess | 2016-12-27 |
| 9365535 | Process for the preparation of alkylene glycol | Dominicus Maria Rekers, Mathias Jozef Paul Slapak | 2016-06-14 |
| 8858893 | Process for the preparation of an alkylene carbonate and an alkylene glycol | Wayne Errol Evans, Martin Hess, Marek Matusz | 2014-10-14 |
| 8658841 | Process for the preparation of alkylene glycol | Dominicus Maria Rekers, Mathias Jozef Paul Slapak | 2014-02-25 |
| 8569548 | Process for the preparation of alkylene glycols | — | 2013-10-29 |
| 8273912 | Process for the preparation of an alkylene carbonate and an alkylene glycol | Wayne Errol Evans, Martin Hess, Marek Matusz | 2012-09-25 |
| 8193374 | Process for the preparation of alkylene carbonate and/or alkylene glycol | Wayne Errol Evans, Marek Matusz, Martin Hess | 2012-06-05 |
| 8110712 | Process for the preparation of alkylene glycol | Abraham Adriaan Smaardijk, Hendrik Stichter | 2012-02-07 |
| 8063256 | Process for the preparation of alkylene glycol | — | 2011-11-22 |
| 7683221 | Process for the production of alkylene glycols using homogeneous catalysts | Joseph Broun Powell | 2010-03-23 |
| 7674919 | Process for the preparation of alkylene carbonate | Dirk Michiel Boele, Henricus Petrus Bernardus Duijghuisen, Jan Herman Hendrik Meurs | 2010-03-09 |
| 7504545 | Process for the preparation of alkylene glycols | Dirk Michiel Boele, Henricus Petrus Bernardus Duijghuisen, Jan Hermen Hendrik Meurs | 2009-03-17 |
| 7501531 | Process for the preparation of alkylene carbonate | Hendrik Stichter | 2009-03-10 |
| 7488835 | Process for the preparation of alkylene carbonates | Hendrik Stichter, Johannes Theodorus Gertruda Wijenberg | 2009-02-10 |
| 7465840 | Process for the preparation of alkylene glycol | — | 2008-12-16 |
| 7462748 | Process for the preparation of alkylene glycol | — | 2008-12-09 |
| 7453015 | Process for the preparation of alkylene glycols | Hendrik Stichter, Johannes Theodorus Gertruda Wijenberg | 2008-11-18 |
| 7435858 | Process for the preparation of alkylene glycols | — | 2008-10-14 |
| 7105710 | Process of preparing an alkylene glycol | Petrus Johannes Gerardus Boons, Dominicus Maria Rekers, Mathias Jozef Paul Slapak | 2006-09-12 |
| 6580008 | Catalytic process for producing an alkylene glycol with reactor-output recycle | Willem Derks | 2003-06-17 |
| 6316571 | Carboxylates in catalytic hydrolysis of alkylene oxides | — | 2001-11-13 |
| 6156942 | Catalyst stabilizing additive in the hydrolysis of alkylene oxides | Michael F. Lemanski, Robert Kunin | 2000-12-05 |
| 6153801 | Carboxylates in catalytic hydrolysis of alkylene oxides | — | 2000-11-28 |