Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5118854 | Preparation of ortho substituted diphenylphosphides | Johannes A. Van Doorn, Nicolaas Meijboom | 1992-06-02 |
| 4994592 | Polymerization process | Johannes A. Van Doorn, Johannes J. M. Snel, Nicolaas Meijboom | 1991-02-19 |
| 4970294 | .alpha.-olefin/carbon monoxide copolymers and catalyst and process for making | Eit Drent | 1990-11-13 |
| 4960747 | Catalyst composition containing diphosphines having heterocyclic substituents | Johannes A. Van Doorn, Petrus H. M. Budzelaar | 1990-10-02 |
| 4940683 | Polymerization process | Johannes A. Van Doorn, Eit Drent, Petrus W. N. M. Van Leeuwen, Nicolaas Meijboom, Aart Bartus Van Oort | 1990-07-10 |
| 4935396 | Polymerization process | Johannes A. Van Doorn, Johannes J. M. Snel, Nicolaas Meijboom | 1990-06-19 |
| 4933311 | Polymerization process | Johannes A. Van Doorn | 1990-06-12 |
| 4925917 | Polymerization of olefin/carbon monoxide with catalyst composition comprising halogen dicarboxylic acid | Pui K. Wong | 1990-05-15 |
| 4880902 | Copolymerization of carbon monoxide and olefin with diphosphine having heterocyclic substituents as catalyst | Johannes A. Van Doorn, Petrus H. M. Budzelaar | 1989-11-14 |
| 4880900 | Carbon monoxide/olefin polymerization process with bis (diaryl phosphino) 2-silapropane containing catalyst | Johannes A. Van Doorn, Johannes J. M. Snel, Nicolaas Meijboom | 1989-11-14 |
| 4877860 | Catalytic copolymerization of carbon monoxide/olefin with ketone/alcohol diluent | Adrianus M. van Broekhoven | 1989-10-31 |
| 4877861 | Carbon monoxide/olefin polymerization with disubstituted 1,3-bis phosphino propane | Johannes A. Van Doorn | 1989-10-31 |
| 4859764 | Copolymerization of carbon monoxide and olefin with nitrogen containing phosphine ligand catalyst | Eit Drent, Petrus W. N. M. Van Leeuwen | 1989-08-22 |
| 4855399 | Carbon monoxide/olefin co-polymerization process with phosphino substituted sulfonic acid catalyst | Johannes A. Van Doorn, Eit Drent, Petrus W. N. M. Van Leeuwen, Nicolaas Meijboom, Aart Bartus Van Oort | 1989-08-08 |
| 4843145 | Catalytic polymerization of CO/olefin with ortho polar substituted aryl bidentate p ligand | Eit Drent, Petrus W. N. M. Van Leeuwen | 1989-06-27 |
| 4843144 | Polymerization of carbon monoxide/olefin with P ligand having polar aryl group | Johannes A. M. Van Broekhoven | 1989-06-27 |
| 4820802 | Improved process of preparing carbon monoxide/olefin copolymer with ortho substituted phosphine catalyst composition. | Eit Drent, Petrus W. N. M. Van Leeuwen | 1989-04-11 |
| 4806630 | Catalytic polymerization of carbon monoxide and olefin, with organo nitro or organo nitrite compound additive | Eit Drent | 1989-02-21 |
| 4778876 | Vapor phase process for polymerizing carbon monoxide and olefins | Michael Doyle, Johan C. Van Ravenswaay Claasen, Gerrit G. Rosenbrand | 1988-10-18 |
| 4720589 | Bis-phosphineoxide compounds | Johannes J. M. Snel, Aart Bartus Van Oort | 1988-01-19 |
| 4683338 | Process for the preparation of bis-phosphineoxide compounds | Johannes J. M. Snel, Aart Bartus Van Oort | 1987-07-28 |
| 4565892 | Process for the preparation of bisphosphine dioxides | Aart Bartus Van Oort, Petrus W. N. M. Van Leeuwen, Johannes A. Van Doorn | 1986-01-21 |
| 4233402 | Reagents and method employing channeling | Edward T. Maggio, Edwin F. Ullman | 1980-11-11 |