B01J 2208/00991
Disengagement zone in fluidised-bed reactors
B01J2208/00991 (Disengagement zone in fluidised-bed reactors) appears on 131 US grants and 163 published applications in this corpus.
Search patents in B01J- Granted patents
- 131
- Published applications
- 163
- Assignees
- 88
- Inventors
- 433
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 2 | 4 |
| 2014 | 2 | 3 |
| 2015 | 9 | 13 |
| 2016 | 9 | 17 |
| 2017 | 8 | 8 |
| 2018 | 11 | 18 |
| 2019 | 16 | 19 |
| 2020 | 19 | 14 |
| 2021 | 14 | 13 |
| 2022 | 12 | 9 |
| 2023 | 8 | 9 |
| 2024 | 4 | 8 |
| 2025 | 8 | 11 |
| 2026 | 3 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Reactor for a gas-phase olefin polymerization21 Jul 2026US 12,685,991 B2Basell Polyolefine GmbH
- Systems and techniques for polymer degassing21 Apr 2026US 12,606,643 B2Chevron Phillips Chemical Company LP
- Process of converting methanol to olefins24 Mar 2026US 12,583,804 B2China Petroleum & Chemical Corporation
- Processes and apparatuses for regenerating a catalyst30 Dec 2025US 12,508,563 B2Uop LLC
- Multi-phase combination reaction system and reaction method23 Dec 2025US 12,503,658 B2China Petroleum & Chemical Corporation
- Continuous fluidized-bed, flash joule heating reactor and method for halogenation of metal-containing feeds1 Oct 2026US 2026/0295549 A1Flash Metals USA Inc.
- Fluidized bed reactor for gas phase polymerization of olefins24 Sep 2026US 2026/0284625 A1Basell Polyolefine GmbH
- Catalytic cracking device and method24 Sep 2026US 2026/0284628 A1PetroChina Company Limited
- Systems and processes for residence time control in downer reactors12 Mar 2026US 2026/0070032 A1
- Fluidized bed device for coupling naphtha and methanol to prepare aromatics and co-produce olefins and its application method22 Jan 2026US 2026/0021464 A1China Shenhua Coal To Liquid and Chemical Co., Ltd.
Most cited
By later US patents
- Desulfurization in turbulent fluid bed reactor41US 7,491,317 B2China Petroleum & Chemical Corporation · 2009
- Corrosion-protected reformer tube with internal heat exchange12US 11,213,795 B2L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georqes Claude · 2022
- Multistage process for the polymerization of olefins10US 9,399,688 B2Basell Polyolefine GmbH · 2016
- Method for continual preparation of polycrystalline silicon using a fluidized bed reactor7US 8,017,024 B2Korea Research Institute of Chemical Technology · 2011
- Catalyst regenerator and a riser terminator used therein5US 9,597,652 B1Dow Global Technologies LLC · 2017