C05C 5/04
Containing calcium nitrate
Official title: containing calcium nitrate
C05C5/04 (Containing calcium nitrate) appears on 81 US grants and 87 published applications in this corpus.
Search patents in C05C- Granted patents
- 81
- Published applications
- 87
- Assignees
- 74
- Inventors
- 239
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 4 |
| 2015 | 1 | 4 |
| 2016 | 3 | 3 |
| 2017 | 0 | 6 |
| 2018 | 6 | 9 |
| 2019 | 6 | 9 |
| 2020 | 10 | 8 |
| 2021 | 4 | 6 |
| 2022 | 9 | 12 |
| 2023 | 4 | 3 |
| 2024 | 9 | 7 |
| 2025 | 6 | 6 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-yield integrated production method for cigar wrappers27 Jan 2026US 12,532,908 B2Tobacco Research Institute of Hubei Province
- Application method of medium and trace nutrient elements for wrapper hydroponic system13 Jan 2026US 12,520,781 B1Tobacco Research Institute of Hubei Province
- Process for the reduction of gas emission from farm manure28 Oct 2025US 12,454,494 B2Alzchem Trostberg GmbH
- Desensitized fertilizer compositions and methods of making same24 Jun 2025US 12,338,189 B2Defuse Technologies, LLC
- Desensitized fertilizer compositions and methods of making same24 Jun 2025US 12,338,190 B2Defuse Technologies, LLC
- Method for multi-phase preparation of complex mineral fertilizer from phosphate rock and nitric acid18 Jun 2026US 2026/0167578 A1Sabic Agri-Nutrients Company
- Microbiological method of nitrification for production of organic fertilizers18 Dec 2025US 2025/0382238 A1Uab Agrichem Innovation
- Desensitized fertilizer compositions and methods of making same9 Oct 2025US 2025/0313515 A1Defuse Technologies, LLC
- High-yield integrated production method for cigar wrappers17 Jul 2025US 2025/0228283 A1Tobacco Research Institute of Hubei Province
- Rock fines as carriers of plant nutrients19 Jun 2025US 2025/0197310 A1Specialty Granules Investments LLC
Most cited
By later US patents
- Moisture-resistant calcium containing particles49US 5,917,110 ATetra Technologies, Inc. · 1999
- Calcium agent for plants36US 5,720,793 ABihoku Funka Kogyo Co., Ltd. · 1998
- Method for producing calcium nitrate granules29US 7,029,504 B2Omnia Fertilizer Limited · 2006
- Method and apparatus for producing a nitrate fertilizer25US 4,297,123 A1981
- Additive infused biochar19US 10,118,870 B2Cool Planet Energy Systems, Inc. · 2018