B01D 2255/808
Hydrolytic
B01D2255/808 (Hydrolytic) appears on 20 US grants and 27 published applications in this corpus.
Search patents in B01D- Granted patents
- 20
- Published applications
- 27
- Assignees
- 21
- Inventors
- 80
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 6 |
| 2018 | 2 | 2 |
| 2019 | 4 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Siloxane removal systems and methods27 May 2025US 12,311,314 B2Granitefuel Engineering Inc.
- Reductant injecting device, exhaust gas processing device and exhaust gas processing method17 Jan 2023US 11,555,433 B2NGK Insulators, Ltd.
- Method of preparing catalyst for low-temperature synergistic catalytic purification of NOx and HCN in flue gas, and use thereof17 May 2022US 11,331,657 B2Kunming University of Science and Technology
- Core-shell structured catalyst, preparation method thereof and method for treating industrial tail gas15 Feb 2022US 11,247,197 B1Kunming University of Science and Technology
- Combined soot filter and urea hydrolysis15 Jun 2021US 11,033,858 B2Umicore AG & Co. KG
- Tail gas treatment by two stage adsorption with intermediate cooling30 Jul 2026US 2026/0216647 A1Saudi Arabian Oil Company
- Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same4 Dec 2025US 2025/0367600 A1Cabot Corporation
- Device and method for suppressing formation of high-melting-point pipe-clogging substance30 Nov 2023US 2023/0383682 A1Mitsui E&S Co., Ltd.
- Siloxane removal systems and methods30 Mar 2023US 2023/0096898 A1Granitefuel Engineering Inc.
- Systems and methods for removing odor from a fluid stream3 Nov 2022US 2022/0347621 A1Purafil, Inc.
Most cited
By later US patents
- Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor81US 5,151,395 ANovapure Corporation · 1992
- Process and catalyst for reducing nitrogen oxides47US 6,843,971 B2Umicore AG & Co. KG · 2005
- Process for reducing nitrogen oxides21US 7,005,116 B2Umicore AG & Co. KG · 2006
- Dual catalyst heating system11US 9,968,886 B2Ford Global Technologies, LLC · 2018
- Exhaust gas aftertreatment system8US 8,176,731 B2Man Truck & Bus AG · 2012