C01D 7/10
Preparation of bicarbonates from carbonates
Official title: Preparation of bicarbonates from carbonates (ammonia soda process C01D7/18)
C01D7/10 (Preparation of bicarbonates from carbonates) appears on 58 US grants and 76 published applications in this corpus.
Search patents in C01D- Granted patents
- 58
- Published applications
- 76
- Assignees
- 47
- Inventors
- 167
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 5 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 4 | 6 |
| 2014 | 5 | 6 |
| 2015 | 4 | 5 |
| 2016 | 1 | 5 |
| 2017 | 2 | 1 |
| 2018 | 4 | 7 |
| 2019 | 3 | 3 |
| 2020 | 3 | 5 |
| 2021 | 2 | 3 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 6 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous process and system for the production of sodium bicarbonate crystals2 Dec 2025US 12,486,175 B2Université Catholique De Louvain
- Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap22 Oct 2024US 12,123,074 B2Jx Metals Circular Solutions Co., Ltd.
- Chemical sequestering of CO2, NOx and SO22 Jan 2024US 11,857,920 B2
- Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap8 Aug 2023US 11,718,895 B2JX Nippon Mining & Metals Corporation
- Process for exploiting gas effluents from alcoholic fermentation25 Jul 2023US 11,708,548 B2Sede Environnement
- Method for the extraction of lithium30 Jul 2026US 2026/0217549 A1Primero Group Limited
- Carbon dioxide capture, carbon resource utilization, and hydrogen production system for steel mill2 Jul 2026US 2026/0183700 A1Lowcarbon Co., Ltd.
- Manufacturing method for recycled carbon material5 Feb 2026US 2026/0038902 A1Prime Planet Energy & Solutions, Inc.
- Method for manufacturing sodium bicarbonate and gypsum using sodium sulfate1 Jan 2026US 2026/0001773 A1Research Institute of Industrial Science & Technology
- Carbon dioxide capture and carbon resource utilization system, for fuel cell, using boil-off gas generated from liquefied natural gas18 Sep 2025US 2025/0289716 A1Lowcarbon Co., Ltd.
Most cited
By later US patents
- Hemodialysis with sodium bicarbonate dialysate prepared in plural stages57US 4,326,955 ADiachem, Inc. · 1982
- Proportioning system for bicarbonate dialysate24US 4,399,036 ADiachem, Inc. · 1983
- Process for the production of sodium bicarbonate from diaphram cell liquors22US 4,032,616 ARhone-Poulenc Industries · 1977
- Production of sodium bicarbonate by reversion of soda-type feed salt20US 4,654,204 AIntermountain Research and Development Corporation · 1987
- Method of formulating alkali earth salts13US 6,692,716 B1Airborne Industrial Minerals Inc. · 2004