C01F 11/186
Strontium or barium carbonate
Official title: {Strontium or barium carbonate}
C01F11/186 (Strontium or barium carbonate) appears on 52 US grants and 44 published applications in this corpus.
Search patents in C01F- Granted patents
- 52
- Published applications
- 44
- Assignees
- 40
- Inventors
- 148
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 6 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 3 | 2 |
| 2014 | 1 | 3 |
| 2015 | 4 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 4 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for carbon dioxide storage utilizing carbon dioxide sequestration in an anhydrite-rich formation4 Nov 2025US 12,460,513 B1King Fahd University of Petroleum and Minerals
- Production of strontium sulfate and strontium carbonate from brines30 Sep 2025US 12,428,308 B2
- Method of manufacturing multilayer ceramic electronic component and multilayer ceramic electronic component18 Mar 2025US 12,255,023 B2Samsung Electro-Mechanics Co., Ltd.
- Capacitive deionization process8 Oct 2024US 12,110,240 B2Doosan Enerbility Co., Ltd.
- CO 2 mineralization in produced and industrial effluent water by pH-swing carbonation5 Mar 2024US 11,919,775 B2The Regents of the University of California
- Method for converting carbon dioxide into carbonate nanomaterials using biological materials6 Aug 2026US 2026/0225906 A1
- System and method for preparing barium carbonate by enhancing alkanolamine absorption and mineralization of co216 Oct 2025US 2025/0320129 A1North University of China
- Methods and systems for strontium impurity extraction31 Jul 2025US 2025/0243077 A1Zeno Power Systems, Inc.
- Method And Apparatus For Removing A Target Substance From A Gas27 Feb 2025US 2025/0065268 A1Verdus Technologies PTE. LTD.
- Capacitive deionization process3 Nov 2022US 2022/0348482 A1Doosan Enerbility Co., Ltd.
Most cited
By later US patents
- Preparation of granulated alkaline earth metal carbonate64US 5,362,688 ASolvay Barium Strontium GmbH · 1994
- Preparation of granulated alkaline earth metal carbonate59US 5,366,513 ASolvay Barium Strontium GmbH · 1994
- Inorganic particles35US 5,064,718 AImperial Chemical Industries PLC · 1991
- Method of forming dense, unsintered, granular alkaline earth metal carbonates20US 4,888,161 AChemical Products Corporation · 1989
- Purification of barium values14US 4,834,952 ARhone-Poulenc Chimie · 1989