C01F 11/36
Nitrates
C01F11/36 (Nitrates) appears on 48 US grants and 33 published applications in this corpus.
Search patents in C01F- Granted patents
- 48
- Published applications
- 33
- Assignees
- 42
- Inventors
- 119
- Latest grant
- 17 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 3 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 5 |
| 2021 | 3 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and crystallizing tank and arrangement thereof for crystallizing calcium nitrate from the nitro-phosphate process17 Dec 2024US 12,168,611 B2Yara International Asa
- Calcium nitrate and potassium nitrate fertiliser particles1 Oct 2024US 12,103,896 B2Yara International Asa
- Calcium nitrate and potassium nitrate fertiliser particles1 Nov 2022US 11,485,689 B2Yara International Asa
- Prevention of the emission of hydrogen sulphide in the production of hot bitumen or asphalt29 Jun 2021US 11,046,895 B2Yara International Asa
- Methionine-metal chelate and manufacturing method thereof20 Apr 2021US 10,981,937 B2Cj Cheiljedang Corporation
- Method For Recovering Rare Earths And Coproducts From Phosphogypsum And Phosphoric Acid Sludge10 Sep 2026US 2026/0265867 A1Universite Mohammed VI Polytechnique
- Plant and method for the purification of fumes and recovery of secondary raw material12 Feb 2026US 2026/0042062 A1Italcer S.P.A. Società Benefit
- Curable precursor of an adhesive composition comprising calcium hydroxide nitrate particles12 Feb 2026US 2026/0042943 A13M Innovative Properties Company
- Microbiological method of nitrification for production of organic fertilizers18 Dec 2025US 2025/0382238 A1Uab Agrichem Innovation
- Method, product and system for cogenerating ferric phosphate through nitrophosphate fertilizer device19 Dec 2024US 2024/0417258 A1Guizhou Batian Ecotypic Engineering Co., Ltd.
Most cited
By later US patents
- Production of chemical compounds29US 9,084,978 B22015
- Purification of barium values14US 4,834,952 ARhone-Poulenc Chimie · 1989
- Process for preparing pure barium nitrate crystals12US 3,947,553 AThe Harshaw Chemical Company · 1976
- Continuous process for the manufacture of metal salt solutions from water-insoluble metal compounds and mineral acids12US 4,724,132 A1988
- Apparatus to remove acid gases from a flue gas11US 5,397,549 A1995