B01J 2208/00663
Concentration
B01J2208/00663 (Concentration) appears on 63 US grants and 73 published applications in this corpus.
Search patents in B01J- Granted patents
- 63
- Published applications
- 73
- Assignees
- 44
- Inventors
- 200
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 4 |
| 2005 | 2 | 7 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 5 | 3 |
| 2009 | 1 | 3 |
| 2010 | 4 | 5 |
| 2011 | 4 | 4 |
| 2012 | 3 | 2 |
| 2013 | 5 | 3 |
| 2014 | 0 | 3 |
| 2015 | 3 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 4 |
| 2018 | 5 | 2 |
| 2019 | 3 | 5 |
| 2020 | 6 | 3 |
| 2021 | 3 | 4 |
| 2022 | 3 | 1 |
| 2023 | 4 | 7 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing polycrystalline silicon granulate30 Dec 2025US 12,509,353 B2Wacker Chemie AG
- Catalyst loading method and method for preparation of butadiene by using same29 Jul 2025US 12,370,517 B2LG Chem.Ltd.
- Method for regulating the gas velocity of the empty bed in a fluidized bed7 Jan 2025US 12,186,742 B2China Petroleum & Chemical Corporation
- Systems and methods for pyrolysis reactions3 Sep 2024US 12,076,718 B2Clean Hydrogen Technologies Corp
- Methods for operating ethylene oligomerization reactor systems with an integrated ultrasonic flow meter2 Jul 2024US 12,024,479 B2Chevron Phillips Chemical Company LP
- Precursor for Positive Electrode Active Material, Manufacturing Method Thereof, And Manufacturing Apparatus Thereof24 Sep 2026US 2026/0285704 A1LG Chem.Ltd.
- System and methods configured to enable improved/optimised control of a hydrocarbon pyrolysis process16 Jul 2026US 2026/0199860 A1Hazer Group Ltd.
- Fluidized bed reactor system capable of regenerating fluidized particles and operating method thereof15 May 2025US 2025/0153131 A1Korea Institute of Energy Research
- Systems and methods for pyrolysis reactions28 Nov 2024US 2024/0390872 A1Clean Hydrogen Technologies Corp
- Systems and methods for pyrolysis reactions29 Feb 2024US 2024/0066486 A1Clean Hydrogen Technologies Corp
Most cited
By later US patents
- Catalyst slurry feeding assembly for a polymerization reactor39US 6,908,971 B2Chevron Phillips Chemical Company LP · 2005
- Particulate flow control37US 5,098,667 APhillips Petroleum Company · 1992
- Polymer stream transfer17US 7,964,699 B2Ineos Manufacturing Belgium NV · 2011
- Process for detecting and monitoring changes in properties of fluidized bed solids by pressure difference fluctuation measurement16US 6,301,546 B1Exxon Research & Engineering Co. · 2001
- Catalyst slurry feeding assembly for a polymerization reactor16US 7,803,324 B2Chevron Phillips Chemical Company LP · 2010