C05C 7/00
Fertilisers containing calcium or other cyanamides
C05C7/00 (Fertilisers containing calcium or other cyanamides) appears on 47 US grants and 58 published applications in this corpus.
Search patents in C05C- Granted patents
- 47
- Published applications
- 58
- Assignees
- 30
- Inventors
- 91
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 2 | 4 |
| 2015 | 0 | 2 |
| 2016 | 4 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 8 |
| 2019 | 4 | 7 |
| 2020 | 7 | 6 |
| 2021 | 1 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 3 |
| 2024 | 2 | 4 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nutrient compositions26 May 2026US 12,635,624 B2OMS Investments, Inc.
- Calcium cyanamide fertilizer with triazone10 Mar 2026US 12,570,584 B2KB8, Inc.
- Process for the reduction of gas emission from farm manure28 Oct 2025US 12,454,494 B2Alzchem Trostberg GmbH
- Recycling reduced-carbon materials11 Mar 2025US 12,246,996 B2Thg, LLC
- Fertilizer from hydrolyzed cyanamide compounds31 Dec 2024US 12,178,151 B2Thg, LLC
- Scented Soil Additive In Dissolving Carrier5 Jun 2025US 2025/0178984 A1
- Fertilizer from hydrolyzed cyanamide compounds20 Feb 2025US 2025/0057075 A1Thg, LLC
- Methods of treating water to remove contaminants and water treatment plants for the practice thereof12 Dec 2024US 2024/0409445 A1Reticle, Inc.
- Recycling reduced-carbon materials13 Jun 2024US 2024/0190784 A1Thg, LLC
- Calcium cyanamide fertilizer with triazone21 Mar 2024US 2024/0092703 A1KB8, Inc.
Most cited
By later US patents
- Stabilized enhanced efficiency controllable release calcium cyanamide compositions32US 6,576,035 B22003
- Organic containing sludge to fertilizer alkaline conversion process26US 7,662,206 B2VitAg Corporation · 2010
- Organic fertilizer made by alkaline conversion process23US 7,947,105 B2VitAg Corporation · 2011
- Process to beneficiate heat-dried biosolid pellets22US 8,491,693 B2VitAg Corporation · 2013
- Aqueous fertilizer solutions containing dicyandiamide20US 4,234,332 ASKW Trostberg Aktiengesellschaft · 1980