C01B 21/087
Containing one or more hydrogen atoms
Official title: containing one or more hydrogen atoms
C01B21/087 (Containing one or more hydrogen atoms) appears on 210 US grants and 244 published applications in this corpus.
Search patents in C01B- Granted patents
- 210
- Published applications
- 244
- Assignees
- 181
- Inventors
- 629
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 9 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 6 |
| 2005 | 1 | 4 |
| 2006 | 4 | 3 |
| 2007 | 2 | 6 |
| 2008 | 3 | 3 |
| 2009 | 4 | 6 |
| 2010 | 3 | 3 |
| 2011 | 3 | 4 |
| 2012 | 2 | 11 |
| 2013 | 9 | 13 |
| 2014 | 7 | 14 |
| 2015 | 10 | 21 |
| 2016 | 13 | 15 |
| 2017 | 15 | 7 |
| 2018 | 9 | 9 |
| 2019 | 9 | 19 |
| 2020 | 11 | 10 |
| 2021 | 8 | 17 |
| 2022 | 5 | 13 |
| 2023 | 10 | 10 |
| 2024 | 6 | 22 |
| 2025 | 10 | 12 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for recovering raw and auxiliary materials in the production of lithium bis(fluorosulfonyl)imide9 Jun 2026US 12,649,659 B2Catl-Sicong Novel Materials Co., Ltd
- Integrated processes for producing bis(fluorosulfonyl) imide9 Jun 2026US 12,649,660 B2Solstice Advanced Materials US, Inc.
- Method for drying and purifying LiFSI19 May 2026US 12,630,425 B2Arkema France
- Method for preparing trisilylamine (TSA) at ultra-low temperature31 Mar 2026US 12,589,998 B2Zhejiang Britech Co., Ltd.
- Integrated ammonia and sulfuric acid production plant and process20 Jan 2026US 12,528,752 B2Chemetics Inc.
- Method for preparing carbonate solution of alkali metal or alkaline earth metal bis(fluorosulfonyl)imide3 Sep 2026US 2026/0257915 A1Ep Chemtech Co., Ltd.
- Method of removing one or more target impurities from crude fluorosulfonylimide compound3 Sep 2026US 2026/0257916 A1Specialty Operations France
- Crystalline aluminoborates, their method of preparation and use13 Aug 2026US 2026/0233194 A1Uop LLC
- Process for preparation of sulfamoyl chloride30 Jul 2026US 2026/0217530 A1Firmenich SA
- Process for purifying bis(fluoro sulfonyl)imide salts23 Jul 2026US 2026/0209041 A1Specialty Operations France
Most cited
By later US patents
- Stable liquid polymeric precursor to silicon nitride and process58US 4,397,828 AMassachusetts Institute of Technology · 1983
- Composite, method for producing composite, ammonia synthesis catalyst, and ammonia synthesis method46US 10,322,940 B2Japan Science and Technology Agency · 2019
- Ionic conducting material having good anticorrosive properties35US 5,916,475 ACentre National De La Recherche Scientifique · 1999
- Process for manufacturing chloramine27US 4,038,372 AThe United States of America as represented by the Secretary of the Navy · 1977
- Enhancing chemical reactions27US 4,124,466 ABattelle Memorial Institute · 1978