Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397276 | System for producing polyolefin and process for recovering polymerization product from gas phase reactor | Pauli Leskinen, Erno Elovainio, Jouni Kivelä, Tapio Kokko | 2025-08-26 |
| 12290803 | Process and a multi-stage reactor assembly for the production of polyolefins | Apostolos Krallis, Vasileios Kanellopoulos, Erno Elovainio, Joana Kettner | 2025-05-06 |
| 12018102 | Process for polymerizing olefin in a gas phase reactor with improved thermal homogeneity | Apostolos Krallis, Vasileios Kanellopoulos, Erno Elovainio | 2024-06-25 |
| 11897975 | Multi-stage process for producing a C2 to C8 olefin polymer composition | Vasileios Kanellopoulos, Erno Elovainio, Ravindra Tupe, Victor Sumerin | 2024-02-13 |
| 11559776 | Method for improving the cooling capacity of a gas solids olefin polymerization reactor | Gunter Weickert, Eric-Jan Prinsen, Erno Elovainio, 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, Erno Elovainio, Vasileios Kanellopoulos | 2022-08-02 |
| 11220558 | Method, an arrangement and use of an arrangement of preparing polymer | Vasileios Kanellopoulos, Apostolos Krallis, Erno Elovainio | 2022-01-11 |
| 11213765 | Method for recovering transition metal tetrahalide and hydrocarbons from a waste stream | Mikko Lylykangas, Jukka Räsänen, Pekka Malinen | 2022-01-04 |
| 11179690 | Process and apparatus for removing polymer material from a gas-solids olefin polymerization reactor | Erno Elovainio, Vasileios Kanellopoulos, Gunter Weickert, Eric-Jan Prinsen | 2021-11-23 |
| 11111324 | Method for withdrawing agglomerates from a fluidized bed polymerization reactor | Mohammad Al-Haj Ali, Vasileios Kanellopoulos, Apostolos Krallis, Pablo Ivan Aguayo Arellano, Gunter Weickert +1 more | 2021-09-07 |
| 10787528 | Process for preparing propylene copolymer compositions | Kristin Reichelt, Kauno Alastalo, Luigi Resconi | 2020-09-29 |
| 10702842 | Method for returning polymer to a fluidised bed reactor | Vasileios Kanellopoulos, Gunter Weickert, Eric-Jan Prinsen | 2020-07-07 |
| 10450391 | Method and apparatus for polymerising olefins in gas phase | Vasileios Kanellopoulos, Pablo Ivan Aguayo Arellano, Gunter Weickert, Eric-Jan Prinsen | 2019-10-22 |
| 10369491 | Method for recovering transition metal tetrahalide and hydrocarbons from a waste stream | Mikko Lylykangas, Jukka Räsänen, Pekka Malinen | 2019-08-06 |
| 9475896 | Loop reactor providing an advanced production split control | Pauli Leskinen, Sameli Hakola, Kauno Alastalo | 2016-10-25 |
| 9260547 | Method of polymerizing olefins in slurry reactors | Ilke Senol, Erik Eriksson, Kauno Alastalo, Pauli Leskinen | 2016-02-16 |
| 9216548 | Removing volatile compounds from polymer pellets | Amir Karbasi, Esa Korhonen, Ensio Hietanen, Karin Knudsen, Kai Hagane +1 more | 2015-12-22 |
| 9192903 | High throughput reactor assembly for polymerization of olefins | Gunter Weickert, Erik Eriksson, Michiel Bergstra | 2015-11-24 |
| 9192905 | Flexible reactor assembly for polymerization of olefins | Erik Eriksson, Michiel Bergstra, Gunter Weickert | 2015-11-24 |
| 8916660 | Method for recovering polymer and apparatus therefor | Jari Aarila, Jari Hatonen, Henrik Andtsjo, Eira Johansson, Mikko Lylykangas | 2014-12-23 |
| 8476383 | Process for producing polyolefins | Tapio Kokko, Erno Elovainio, Jouni Kivelä, Kai Hagane | 2013-07-02 |
| 7851567 | Process for polymerizing olefins in the presence of an olefin polymerization catalyst | Henrik Andtsjoe, Michiel Bergstra, Ralf Karlsson, Urban Thorngren | 2010-12-14 |
| 7812102 | Method and apparatus for discharging polymerization reactors | Jouni Kivelä | 2010-10-12 |
| 7655192 | Method and apparatus for discharging polymerization reactors | Jouni Kivelä | 2010-02-02 |
| 6037184 | Method and apparatus for taking sample | Kari Matilainen, Ari Palmroos, Auli Nummila-Pakarinen, Markku SAVOLAINEN, Timo Blomqvist +1 more | 2000-03-14 |