C05G 3/90
Mixtures of one or more fertilisers with additives not having a specially
Official title: for affecting the nitrification of ammonium compounds or urea in the soil
C05G3/90 (Mixtures of one or more fertilisers with additives not having a specially) appears on 296 US grants and 380 published applications in this corpus.
Search patents in C05G- Granted patents
- 296
- Published applications
- 380
- Assignees
- 144
- Inventors
- 590
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 19 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 4 |
| 2008 | 0 | 6 |
| 2009 | 1 | 3 |
| 2010 | 4 | 3 |
| 2011 | 3 | 8 |
| 2012 | 2 | 4 |
| 2013 | 7 | 9 |
| 2014 | 4 | 15 |
| 2015 | 10 | 14 |
| 2016 | 11 | 23 |
| 2017 | 10 | 22 |
| 2018 | 6 | 28 |
| 2019 | 26 | 40 |
| 2020 | 19 | 36 |
| 2021 | 30 | 31 |
| 2022 | 21 | 29 |
| 2023 | 15 | 32 |
| 2024 | 28 | 33 |
| 2025 | 21 | 22 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Mitigation of ammonia, odor and greenhouse gases11 Aug 2026US 12,702,135 B2Aarhus Universitet
- Liquid formulations of urease inhibitors for fertilizers4 Aug 2026US 12,698,243 B2Soilgenic Technologies, LLC
- Method for the manufacture of a urea-based composition comprising the addition of an additive in an aqueous form21 Jul 2026US 12,686,648 B2Yara International Asa
- Method for the manufacture of a urea-based composition comprising the addition of a liquid-free solid additive21 Jul 2026US 12,686,649 B2Yara International Asa
- 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
- Composition comprising a eutectic mixture comprising an alkylthiophosphoric triamide urease inhibitor10 Sep 2026US 2026/0265156 A1Specialty Operations France
- Soil conditioner and use thereof6 Aug 2026US 2026/0225970 A1Japan International Research Center for Agricultural Sciences
- Nitrification inhibitors30 Jul 2026US 2026/0215425 A1
- Method of fortifying fertilizer with lipo-chitooligosaccharide (lco)23 Jul 2026US 2026/0209135 A1Novozymes A/S
Most cited
By later US patents
- N-aliphatic and N,N-aliphatic phosphoric triamide urease inhibitors and urease inhibited urea based fertilizer compositions88US 4,530,714 AAllied Corporation · 1985
- Formulation for fertilizer additive concentrate70US 5,698,003 AIMC-Agrico Company · 1997
- Mixture for the treatment of urea-containing fertilizers37US 8,603,211 B2FERTIVA GmbH · 2013
- Buffered amino alcohol solutions of N-(n-butyl)thiophosphoric triamide (NBPT) and urea fertilizers using such solutions as urease inhibitors32US 8,048,189 B2Whitehurst Associates, Inc. · 2011
- Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers30US 6,488,734 B1BASF SE · 2002