Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397276 | System for producing polyolefin and process for recovering polymerization product from gas phase reactor | Pauli Leskinen, Jouni Kivelä, Klaus Nyfors, Tapio Kokko | 2025-08-26 |
| 12290803 | Process and a multi-stage reactor assembly for the production of polyolefins | Apostolos Krallis, Vasileios Kanellopoulos, Klaus Nyfors, Joana Kettner | 2025-05-06 |
| 12018102 | Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity | Apostolos Krallis, Vasileios Kanellopoulos, Klaus Nyfors | 2024-06-25 |
| 11897975 | Multi-stage process for producing a C2 to C8 olefin polymer composition | Klaus Nyfors, Vasileios Kanellopoulos, Ravindra Tupe, Victor Sumerin | 2024-02-13 |
| 11708425 | Polymerization reactor system comprising at least one withdrawal valve | Christof Wurnitsch, Sameer Vijay | 2023-07-25 |
| 11559776 | Method for improving the cooling capacity of a gas solids olefin polymerization reactor | Gunter Weickert, Eric-Jan Prinsen, Klaus Nyfors, Vasileios Kanellopoulos | 2023-01-24 |
| 11400429 | Method of splitting the return fluidization gas in a gas solids olefin polymerization reactor | Gunter Weickert, Eric-Jan Prinsen, Klaus Nyfors, Vasileios Kanellopoulos | 2022-08-02 |
| 11220558 | Method, an arrangement and use of an arrangement of preparing polymer | Vasileios Kanellopoulos, Apostolos Krallis, Klaus Nyfors | 2022-01-11 |
| 11179690 | Process and apparatus for removing polymer material from a gas-solids olefin polymerization reactor | Klaus Nyfors, Vasileios Kanellopoulos, Gunter Weickert, Eric-Jan Prinsen | 2021-11-23 |
| 10946357 | Process for feeding a polymerisation catalyst | Pauli Leskinen, Katri Nikkilä, Jukka-Pekka Parjanen, Jani AHO | 2021-03-16 |
| 8476383 | Process for producing polyolefins | Tapio Kokko, Jouni Kivelä, Klaus Nyfors, Kai Hagane | 2013-07-02 |
| 7645843 | Process for polymerising olefins in the presence of an olefin polymerisation catalyst | Marianne Vuorikari, Esa Korhonen, Pauli Leskinen | 2010-01-12 |