C01D 9/00
Nitrates of sodium, potassium or alkali metals in general
Official title: Nitrates of sodium, potassium or alkali metals in general {(preparation as fertilizers or of fertilizers containing them C05D5/00)}
C01D9/00 (Nitrates of sodium, potassium or alkali metals in general) appears on 74 US grants and 60 published applications in this corpus.
Search patents in C01D- Granted patents
- 74
- Published applications
- 60
- Assignees
- 53
- Inventors
- 139
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 3 | 0 |
| 2012 | 0 | 4 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 7 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 4 |
| 2020 | 7 | 4 |
| 2021 | 3 | 6 |
| 2022 | 4 | 6 |
| 2023 | 4 | 6 |
| 2024 | 3 | 5 |
| 2025 | 2 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01D 9/04Preparation with liquid nitric acid20
- C01D 9/16Purification9
- C01D 9/06Preparation with gaseous nitric acid or nitrogen oxides7
- C01D 9/18Preparation in the form of shaped products7
- C01D 9/02Preparation by working-up natural salt mixtures2
- C01D 9/08Preparation by double decomposition1
- C01D 9/20Preventing the absorption of moisture or caking0
Recent patents
- Compositions of nitrates and methods of use thereof17 Mar 2026US 12,576,106 B2Heartbeet Ltd.
- Compositions of nitrates and methods of use thereof10 Feb 2026US 12,544,399 B2Heartbeet Ltd.
- Production of lithium chemicals and metallic lithium16 Sep 2025US 12,415,733 B2Icsip Pty Ltd
- Preparation of lithium carbonate from lithium chloride containing brines18 Mar 2025US 12,252,409 B2Terralithium LLC
- Calcium nitrate and potassium nitrate fertiliser particles1 Oct 2024US 12,103,896 B2Yara International Asa
- Method for comprehensive utilization of ulexite ore resources3 Sep 2026US 2026/0257927 A1Fujian Jungie New Material Technology Co., Ltd.
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008682 A1Icsip Pty Ltd
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008683 A1Icsip Pty Ltd
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008684 A1Icsip Pty Ltd
- Production of lithium chemicals and metallic lithium8 Jan 2026US 2026/0008685 A1Icsip Pty Ltd
Most cited
By later US patents
- Preparation of lithium carbonate from lithium chloride containing brines48US 9,034,294 B1Simbol Inc. · 2015
- Performance enhancing composition and use thereof37US 9,180,140 B2Heartbeet Ltd. · 2015
- Process and equipment for nitrogen oxide waste conversion to fertilizer35US 6,039,783 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2000
- Production of chemical compounds29US 9,084,978 B22015
- Granulation of potash salts21US 4,385,920 AInternational Minerals & Chemical Corp. · 1983