C01D 7/14
Preparation of sesquicarbonates
C01D7/14 (Preparation of sesquicarbonates) appears on 21 US grants and 19 published applications in this corpus.
Search patents in C01D- Granted patents
- 21
- Published applications
- 19
- Assignees
- 16
- Inventors
- 58
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 3 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclopropenimines for mineralization of carbon dioxide25 Nov 2025US 12,479,793 B2International Business Machines Corporation
- Process for treating a sodium carbonate purge7 Oct 2025US 12,434,976 B1Solvay SA
- Process for producing a concentrated aqueous sodium hydroxide solution11 Oct 2022US 11,465,907 B2Solvay SA
- Sodium bicarbonate production6 Sep 2022US 11,434,142 B2Tata Chemicals Europe Limited
- (Melt-) extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a melted functionalizing agent9 Aug 2022US 11,407,648 B2Solvay SA
- Co2 collection system5 Feb 2026US 2026/0034507 A1Jtekt Corporation
- Carbon dioxide and sulfur oxide capture and carbon resource conversion system for integrated gasification combined cycle4 Sep 2025US 2025/0276278 A1Lowcarbon Co., Ltd.
- Cyclopropenimines for mineralization of carbon dioxide14 Mar 2024US 2024/0083840 A1International Business Machines Corporation
- Sodium bicarbonate production19 Aug 2021US 2021/0253438 A1Tata Chemicals Europe Limited
- (melt-) extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a melted functionalizing agent17 Jun 2021US 2021/0179438 A1Solvay SA
Most cited
By later US patents
- Removing carbon dioxide from waste streams through co-generation of carbonate and/or bicarbonate minerals50US 7,727,374 B2Skyonic Corporation · 2010
- Process for producing sodium salts from brines of sodium ores47US 5,262,134 AFMC Corporation · 1993
- Removing carbon dioxide from waste streams through co-generation of carbonate and/or bicarbonate minerals34US 8,741,244 B2Skyonic Corporation · 2014
- Process for the recovery of sodium carbonate from salt mixtures18US 4,564,508 ACominco Ltd. · 1986
- Sodium carbonate (soda ash) crystal modification14US 4,472,280 ANalco Chemical Company · 1984