C01D 5/10
With sulfates of magnesium, calcium, strontium, or barium
Official title: with sulfates of magnesium, calcium, strontium, or barium
C01D5/10 (With sulfates of magnesium, calcium, strontium, or barium) appears on 10 US grants and 10 published applications in this corpus.
Search patents in C01D- Granted patents
- 10
- Published applications
- 10
- Assignees
- 11
- Inventors
- 26
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 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 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Production of strontium sulfate and strontium carbonate from brines30 Sep 2025US 12,428,308 B2
- Enhanced surfactant polymer flooding processes for oil recovery in carbonate reservoirs22 Jun 2021US 11,041,109 B2Saudi Arabian Oil Company
- Methods for the production of potassium sulphate from potassium-containing ores at high ambient temperatures3 Sep 2019US 10,399,861 B2Yara Dallol BV
- Methods of processing solutions of potassium sulfate and magnesium sulfate, methods of producing potassium sulfate, and related systems22 Sep 2015US 9,139,446 B2Intercontinental Potash Corp. (USA)
- Methods of processing solutions of potassium sulfate and magnesium sulfate, methods of producing potassium sulfate, and related systems12 Aug 2014US 8,802,048 B2Intercontinental Potash Corp. (USA)
- Production of Strontium Sulfate and Strontium Carbonate from Brines30 Jun 2022US 2022/0204356 A1
- Method for the reduction of halite in the preparation of potassium sulphate from potassium-containing ores at high ambient temperatures25 Jul 2019US 2019/0225502 A1Yara Dallol BV
- Enhanced surfactant polymer flooding processes for oil recovery in carbonate reservoirs27 Jun 2019US 2019/0194524 A1Saudi Arabian Oil Company
- Method for the control of sulphate forming compounds in the preparation of potassium sulphate from potassium-containing ores at high ambient temperatures3 Jan 2019US 2019/0002300 A1Yara Dallol BV
- A process of production of potassium ammonium sulfate compound fertilizer in cost-effective manner directly from concentrated sea bittern16 Aug 2018US 2018/0230065 A1Council of Scientific and Industrial Research
Most cited
By later US patents
- Process for the production of potassium sulfate17US 4,129,642 AKali and Salz Aktiengesellschaft · 1978
- Process for the production of coarse K.sub.2 SO.sub.4 in crystallizers and classifiers14US 4,174,382 AKali und Salz Aktiengesellschaft · 1979
- Process for crystallizing potassium sulfate13US 4,562,058 AInternational Minerals & Chemical Corp. · 1985
- Gypsum conversion6US 4,504,458 ASuperfos A/S · 1985
- Methods of processing solutions of potassium sulfate and magnesium sulfate, methods of producing potassium sulfate, and related systems4US 8,802,048 B2Intercontinental Potash Corp. (USA) · 2014