Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569730 | Addition polymers derived from norbornene-functional monomers and process therefor | George M. Benedikt, Lester Howard McIntosh, III, Dennis A. Barnes, Larry F. Rhodes | 1996-10-29 |
| 5468819 | Process for making polymers containing a norbornene repeating unit by addition polymerization using an organo (nickel or palladium) complex | George M. Benedikt, Lester Howard McIntosh, III, Dennis A. Barnes | 1995-11-21 |
| 5442015 | Aldehyde-telechelic polyisobutylenes, catalytic method for preparing the same with high conversion and selectivity, and block copolymers made therefrom | Joseph P. Kennedy, Alexander V. Lubnin | 1995-08-15 |
| 5340881 | Aldehyde-telechelic polyisobutylenes, catalytic method for preparing the same with high conversion and selectivity, and block copolymers made thereform | Joseph P. Kennedy, Alexander V. Lubnin | 1994-08-23 |
| 5155188 | Oxide cocatalysts in ring opening polymerization of polycycloolefins | — | 1992-10-13 |
| 5142073 | Synthesis of molybdenum and tungsten complexes | Richard R. Schrock, Harold H. Fox | 1992-08-25 |
| 4943670 | Preparation of conjugated dienes | Willem Terlouw, Jacob C. van der Sar | 1990-07-24 |
| 4933499 | Process for purification of alkenyl aromatic compounds containing a benzaldehyde impurity | Paul A. M. Grotenhuis | 1990-06-12 |
| 4923936 | Heteropolymetallate metathesis catalysts for cycloolefin polymerization | Larry F. Rhodes | 1990-05-08 |
| 4923939 | Ring opening polymerization with organophosphonium and organoarsonium metathesis catalysts | — | 1990-05-08 |
| 4880546 | Recovery of transition metals from aqueous solutions | Paulus Alexander Maria Grotenhuis | 1989-11-14 |
| 4683215 | Process for removing contaminants from a liquid TiCl.sub.4 phase | Jean L. Bilhou | 1987-07-28 |
| 4680168 | Extraction of Group 8 metals from organic solutions | Paulus A. M. Grothenhuis | 1987-07-14 |
| 4600757 | Process for the preparation of polyisoprene | John C. Chadwick | 1986-07-15 |
| 4563512 | Olefin polymerization process utilizing a combination of selectivity control agents | — | 1986-01-07 |
| 4548915 | Olefin polymerization catalyst composition | Robert C. Job | 1985-10-22 |
| 4543389 | Copolymerization catalyst and process for polymerizing impact resistant ethylene-propylene polymers | Israel G. Burstain | 1985-09-24 |
| 4520163 | Process of sequentially copolymerizing propylene-ethylene copolymers and catalyst therefor | — | 1985-05-28 |
| 4478989 | Process for the stereospecific polymerization of an alpha olefin and an alpha olefin polymerization catalyst system | Wilhelmina J. M. van der Linden-Lemmers | 1984-10-23 |
| 4419501 | Olefin polymerization catalyst components and polymerization process | Jacob C. van der Sar | 1983-12-06 |
| 4414132 | Olefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositions | Adrianus A. van der Nat, Willem Sjardijn | 1983-11-08 |
| 4400302 | Olefin polymerization catalyst compositions and a process for the polymerization of olefins employing such compositions | Adrianus A. van der Nat, Willem Sjardijn | 1983-08-23 |
| 4393182 | Olefin polymerization process with novel supported titanium catalyst compositions | Adrianus A. van der Nat, Willem Sjardijn | 1983-07-12 |
| 4343721 | Olefin polymerization catalyst components and polymerization process | Jacob C. van der Sar | 1982-08-10 |
| 4329253 | Olefin polymerization catalyst component and composition and method of preparation | Adrianus A. van der Nat, Willem Sjardijn | 1982-05-11 |