C01D 7/02
Preparation by double decomposition
C01D7/02 (Preparation by double decomposition) appears on 17 US grants and 7 published applications in this corpus.
Search patents in C01D- Granted patents
- 17
- Published applications
- 7
- Assignees
- 15
- Inventors
- 34
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Process for solubilizing calcium carbonate to obtain a solid compound and an alkaline liquid solution11 Nov 2025US 12,466,733 B2Global Carbon Emissions Solutions, LLC
- Process of mixing two compounds to chemically obtain a solid compound and an alkaline liquid solution18 Jun 2024US 12,012,330 B2Global Carbon Emissions Solutions, LLC
- Method of producing high-purity lithium carbonate and barium sulfate from discarded lithium secondary batteries27 Aug 2019US 10,392,258 B2KANGWON NATIONAL UNIVERSITY University-Industry Cooperation Foundation
- Foaming agents for thermoplastic resins and method of preparing same29 Jan 2013US 8,361,361 B2Ingenia Polymers Corp.
- Method for recovering purified sodium bicarbonate and ammonium sulfate1 Jul 2008US 7,393,378 B2Airborne Industrial Minerals Inc.
- Process for solubilizing calcium carbonate to obtain a solid compound and an alkaline liquid solution16 Feb 2023US 2023/0051352 A1Global Carbon Emmissions Solutions LLC
- Process of mixing two compounds to chemically obtain a solid compound and an alkaline liquid solution27 Oct 2022US 2022/0340426 A1Global Carbons Emisions Solutions
- Method of producing high-purity lithium carbonate and barium sulfate from discarded lithium secondary batteries16 May 2019US 2019/0144294 A1KANGWON NATIONAL UNIVERSITY University-Industry Cooperation Foundation
- Process for the production of hcl gas from chloride salts and for the production of carbohydrates21 Jul 2011US 2011/0178290 A1Hcl Cleantech Ltd.
- Foaming agents for thermoplastic resins and method of preparing same12 May 2011US 2011/0112207 A1Ingenia Polymers Corp.
Most cited
By later US patents
- Method of producing high-purity lithium carbonate and barium sulfate from discarded lithium secondary batteries17US 10,392,258 B2KANGWON NATIONAL UNIVERSITY University-Industry Cooperation Foundation · 2019
- Process for regenerating spent seed materials used in magnetohydrodynamic power generation14US 4,390,402 AAllied Corporation · 1983
- Method of formulating alkali earth salts13US 6,692,716 B1Airborne Industrial Minerals Inc. · 2004
- Method of continuously controlling crystal fines formation8US 4,478,599 AKerr-McGee Chemical Corporation · 1984
- Membrane process for converting sodium sulfate into sulfuric acid and sodium carbonate8US 4,486,283 A1984