C01C 1/26
Carbonates or bicarbonates of ammonium
C01C1/26 (Carbonates or bicarbonates of ammonium) appears on 36 US grants and 59 published applications in this corpus.
Search patents in C01C- Granted patents
- 36
- Published applications
- 59
- Assignees
- 43
- Inventors
- 115
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 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 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 2 | 6 |
| 2020 | 6 | 7 |
| 2021 | 2 | 4 |
| 2022 | 3 | 4 |
| 2023 | 2 | 6 |
| 2024 | 4 | 6 |
| 2025 | 0 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-stage ammonia-based decarbonization11 Aug 2026US 12,703,638 B2Jiangnan Environmental Protection Group Inc.
- DHSV scale removal method in the production string17 Mar 2026US 12,577,118 B2Petroleo Brasileiro S.A. - Petrobras
- Process for desorption of ammonia chemical species using carbon dioxide, ammonia chemical species-providing agent, and apparatus for adsorption and desorption of ammonia chemical species2 Jul 2024US 12,023,648 B2National Institute of Advanced Industrial Science and Technology
- Treatment of subterranean formations21 May 2024US 11,987,751 B2Innospec Limited
- Process for preparing calcium fluoride from fluosilicic acid16 Jan 2024US 11,873,229 B2Ocp SA
- Methods, systems, and apparatuses for in-situ production of compounds via subsurface geothermal chemical reactions17 Sep 2026US 2026/0274694 A1Massachusetts Institute of Technology
- Catalytic process using ammonia as hydrogen source for carbon dioxide conversion13 Aug 2026US 2026/0233183 A1Agency for Science, Technology and Research
- Systems and methods for carbon capture and storage21 May 2026US 2026/0138085 A1BluSky Carbon Inc.
- Processes for producing alkali compounds using acid gas25 Dec 2025US 2025/0388482 A1Innovator Energy, LLC
- Recovery of potassium and ammonia salts by induced precipitation with co217 Apr 2025US 2025/0122593 A1Nuovo Pignone Tecnologie Srl
Most cited
By later US patents
- Method for the preparation of a bicarbonate sorbent in flue gas desulfurization12US 4,664,893 AChurch & Dwight Co., Inc. · 1987
- Dry carbonation process10US 4,459,272 AChurch & Dwight Co., Inc. · 1984
- Methods and systems for forming vaterite from calcined limestone using electric kiln8US 11,377,363 B2Arelac, Inc. · 2022
- Process to recover ammonium bicarbonate from wastewater6US 10,106,447 B2Bion Environmental Technologies, Inc. · 2018
- Process to recover ammonium bicarbonate from wastewater5US 10,604,432 B2Bion Environmental Technologies, Inc. · 2020