C05C 1/00
Ammonium nitrate fertilisers
C05C1/00 (Ammonium nitrate fertilisers) appears on 335 US grants and 389 published applications in this corpus.
Search patents in C05C- Granted patents
- 335
- Published applications
- 389
- Assignees
- 246
- Inventors
- 778
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 0 |
| 2005 | 3 | 6 |
| 2006 | 4 | 7 |
| 2007 | 2 | 6 |
| 2008 | 1 | 9 |
| 2009 | 4 | 12 |
| 2010 | 4 | 14 |
| 2011 | 8 | 10 |
| 2012 | 8 | 14 |
| 2013 | 7 | 11 |
| 2014 | 15 | 17 |
| 2015 | 6 | 18 |
| 2016 | 23 | 25 |
| 2017 | 8 | 28 |
| 2018 | 18 | 31 |
| 2019 | 22 | 27 |
| 2020 | 28 | 37 |
| 2021 | 24 | 20 |
| 2022 | 17 | 19 |
| 2023 | 13 | 11 |
| 2024 | 11 | 25 |
| 2025 | 23 | 22 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for oxidizing a nitrogen oxide to nitrate25 Aug 2026US 12,715,770 B2University of Miami
- Compositions and methods for coating of nitrification inhibitors with a solution containing a high concentration of urease inhibitors18 Aug 2026US 12,709,583 B2Soilgenic Technologies, LLC
- Methods of increasing irrigation water and fertilizer delivery to soil using formic acid and formate salts, making a formate salt from carbon dioxide, and generating a carbon credit21 Jul 2026US 12,686,652 B2Deerpoint Group, Inc.
- Nutrient compositions26 May 2026US 12,635,624 B2OMS Investments, Inc.
- System and process for the production of UAN19 May 2026US 12,630,435 B2Stamicarbon B. V.
- Compositions and Methods for Coating of Nitrification Inhibitors with a Solution Containing a High Concentration of Urease Inhibitors and For Improved Retention of the Nitrogen Content of Soil Through the Administration of Liquid Delivery Formulations of (Aminomethylene)Phosphinic Acids and/or their Salts1 Oct 2026US 2026/0296987 A1Soilgenic Technologies, LLC
- System for producing technical grade ammonium nitrate and method of producing thereof17 Sep 2026US 2026/0274696 A1Yara International Asa
- Use of a composition of trichoderma and lignin fraction as a booster of nitrogen fertilizers13 Aug 2026US 2026/0234076 A1Green Innovation GmbH
- Neutralisation reactor and method of operating thereof23 Jul 2026US 2026/0209055 A1Yara International Asa
- Polyhalite granules containing nitrogen16 Jul 2026US 2026/0200812 A1Anglo American Woodsmith Limited
Most cited
By later US patents
- Fluid urea-containing fertilizer51US 5,364,438 AFreeport-McMoRan Resource Partners, Limited Partnership · 1994
- Process and apparatus for generating power, producing fertilizer, and sequestering, carbon dioxide using renewable biomass48US 7,055,325 B22006
- Granulation process and products produced thereby42US 4,183,738 AInternational Fertilizer Development Center · 1980
- Nitrogen fertilizer37US 5,024,689 AFreeport-McMoRan Resource Partners · 1991
- Process for preparing thermally stable ammonium nitrate-containing granules of high bulk density34US 4,409,016 AUnie van Kunstmestfabrieken B.V. · 1983