Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030194 | Method for enhanced hydrocarbon recovery | Julian Richard Barnes, James Laurel Buechele, Hendrik Dirkzwager, Robert Hardy Ellison | 2018-07-24 |
| 9284481 | Method and composition for enhanced oil recovery | Julian Richard Barnes, Hendrik Dirkzwager, Quoc An On, Jasper Roelf Smit | 2016-03-15 |
| 9073810 | Catalyst systems for the catalytic oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2015-07-07 |
| 8940668 | Method and composition for enhanced hydrocarbons recovery from a very high salinity, high temperature formation | Julian Richard Barnes, Kirk Herbert Raney, Thomas Carl Semple, Paul Gregory Shpakoff, Jasper Roelf Smit | 2015-01-27 |
| 8759261 | Method and composition for enhanced hydrocarbons recovery | Julian Richard Barnes, Kirk Herbert Raney, Thomas Carl Semple, Paul Gregory Shpakoff, Jasper Roelf Smit | 2014-06-24 |
| 8680220 | Catalyst systems for the catalytic oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2014-03-25 |
| 8637617 | Catalyst systems for the catalytic oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2014-01-28 |
| 8513168 | Method and composition for enhanced hydrocarbons recovery | Julian Richard Barnes, Kirk Herbert Raney, Thomas Carl Semple, Paul Gregory Shpakoff | 2013-08-20 |
| 8476181 | Catalyst systems for the oligomerization of olefin monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2013-07-02 |
| 8252874 | Ligands and catalyst systems for the oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2012-08-28 |
| 8022007 | Ligands and catalyst systems thereof for the catalytic oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2011-09-20 |
| 7867938 | Catalytic oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2011-01-11 |
| 7803886 | Ligands and catalyst systems thereof for the catalytic oligomerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2010-09-28 |
| 7547783 | Transition metal complexes | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2009-06-16 |
| 7381857 | Catalytic trimerization and tetramerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2008-06-03 |
| 7259123 | Catalytic trimerization and tetramerization of olefinic monomers | Eric Johannes Maria De Boer, Harry Van Der Heijden, Quoc An On, Arie Van Zon | 2007-08-21 |
| 7112551 | Double metal complex catalyst | Michiel Barend Eleveld, Robert Adrianus Wilhelmus Grotenberg, Riemer Alberts De Groot | 2006-09-26 |
| 7060647 | Double metal complex catalyst | Michiel Barend Eleveld, Robert Adrianus Wilhelmus Grotenbreg, Riemer Alberts De Groot | 2006-06-13 |
| 6699961 | DMC complex catalyst and process for its preparation | Michiel Barend Eleveld, Riemer Alberts De Groot, Ronald Van Kempen | 2004-03-02 |
| 6596842 | Polymerizing alkylene oxide with sound or radiation treated DMC | Michiel Barend Eleveld, Robert Adrianus Wilhelmus Grotenbreg, Riemer Alberts De Groot | 2003-07-22 |