C01B 21/0842
Halides of nitrogen oxides
Official title: {Halides of nitrogen oxides}
C01B21/0842 (Halides of nitrogen oxides) appears on 10 US grants and 10 published applications in this corpus.
Search patents in C01B- Granted patents
- 10
- Published applications
- 10
- Assignees
- 11
- Inventors
- 37
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing trifluoroamine oxide5 May 2026US 12,617,683 B2Korea Research Institute of Chemical Technology
- Systems and methods for storage and supply of F3NO-free FNO gases and F3NO-free FNO gas mixtures for semiconductor processes1 Oct 2024US 12,106,940 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Halogenoid acids and salts thereof28 Dec 2021US 11,208,325 B2
- Preparation method of trifluoroamine oxide2 Mar 2021US 10,934,167 B2Korea Research Institute of Chemical Technology
- Process for the preparation of nitrosyl chloride29 May 2001US 6,238,638 B1Elf Atochem S. A.
- Method for storing fluorine-containing nitrogen compound24 Jul 2025US 2025/0237354 A1Resonac Corporation
- Method for storing fluorine-containing nitrogen compound10 Jul 2025US 2025/0223164 A1Resonac Corporation
- Apparatus and method for producing trifluoramine oxide20 Mar 2025US 2025/0091868 A1SK Specialty Co., Ltd
- Etching gas and etching method9 May 2024US 2024/0153778 A1Resonac Corporation
- Method for producing trifluoroamine oxide19 Oct 2023US 2023/0331552 A1Korea Research Institute of Chemical Technology
Most cited
By later US patents
- Process for the continuous preparation of nitrosyl chloride35US 5,552,130 ABayer Aktiengesellschaft · 1996
- Preparation of nitrosyl fluoride3US 4,996,035 AMallinckrodt Inc. · 1991
- Preparation method of trifluoroamine oxide1US 10,934,167 B2Korea Research Institute of Chemical Technology · 2021
- Process for making fuming nitric acid1US 4,557,920 AVersar, Inc. · 1985
- Continuous preparation of nitrosyl fluoride1US 4,908,270 AMallinckrodt Inc. · 1990