C01B 2210/0065
Ammonia
C01B2210/0065 (Ammonia) appears on 4 US grants and 3 published applications in this corpus.
Search patents in C01B- Granted patents
- 4
- Published applications
- 3
- Assignees
- 6
- Inventors
- 13
- Latest grant
- 26 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Gas recovering apparatus, semiconductor manufacturing system, and gas recovering method26 Sep 2023US 11,766,635 B2Kioxia Corporation
- Hydrogen purification device and hydrogen purification method18 Oct 2022US 11,472,701 B2National University Corporation Tokai National Higher Education and Research System
- Method for preparing high purity ammonia3 Mar 2015US 8,968,694 B2Hunan HiEND Products Co., Ltd.
- Method for adsorbing and separating argon and hydrogen gases in high concentration from waste ammonia purge gas, and apparatus therefor20 Aug 1996US 5,547,492 AKorea Institute of Energy Research
- Gas recovering apparatus, semiconductor manufacturing system, and gas recovering method10 Mar 2022US 2022/0072473 A1Kioxia Corporation
- Hydrogen Purification Device and Hydrogen Purification Method10 Dec 2020US 2020/0385267 A1National University Corporation Tokai National Higher Education and Research System
- Method for preparing high purity ammonia26 Apr 2012US 2012/0100063 A1Wuhan Gao'an New Material Co., Ltd.
Most cited
By later US patents
- Method for adsorbing and separating argon and hydrogen gases in high concentration from waste ammonia purge gas, and apparatus therefor14US 5,547,492 AKorea Institute of Energy Research · 1996
- Hydrogen purification device and hydrogen purification method1US 11,472,701 B2National University Corporation Tokai National Higher Education and Research System · 2022