C05B 3/00
Fertilisers based essentially on di-calcium phosphate
Official title: Fertilisers based essentially on di-calcium phosphate (C05B11/00 takes precedence)
C05B3/00 (Fertilisers based essentially on di-calcium phosphate) appears on 49 US grants and 50 published applications in this corpus.
Search patents in C05B- Granted patents
- 49
- Published applications
- 50
- Assignees
- 39
- Inventors
- 120
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 4 | 2 |
| 2014 | 2 | 4 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 4 |
| 2019 | 3 | 4 |
| 2020 | 1 | 3 |
| 2021 | 4 | 4 |
| 2022 | 0 | 1 |
| 2023 | 3 | 5 |
| 2024 | 5 | 4 |
| 2025 | 3 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Agglomerated dispersible granules, methods for amending soil, and activated alumina suspensions24 Feb 2026US 12,559,436 B2Phospholutions Inc.
- Two-step method to produce monocalcium phosphates from lime softening water plant residuals18 Nov 2025US 12,473,202 B1
- Hydrophobic coatings to improve the physical quality parameters of fertilizers10 Jun 2025US 12,325,673 B2The Mosaic Company
- Method and fluidized bed granulator for the production of granules from a slurry25 Feb 2025US 12,233,394 B2Yara International Asa
- Engineered calcium alginate and uses thereof19 Nov 2024US 12,145,128 B2Washington University
- Hydrophobic coatings to improve the physical quality parameters of fertilizers30 Jul 2026US 2026/0217623 A1The Mosaic Company
- Method for multi-phase preparation of complex mineral fertilizer from phosphate rock and nitric acid18 Jun 2026US 2026/0167578 A1Sabic Agri-Nutrients Company
- Biochar product, its use in fertilizers, and methods of making the biochar26 Dec 2024US 2024/0425427 A1Iowa State University Research Foundation, Inc.
- Fertilizer with high potassium to low nitrogen ratio6 Jun 2024US 2024/0182378 A1Profile Products L.L.C.
- Hydrophobic coatings to improve the physical quality parameters of fertilizers6 Jun 2024US 2024/0182380 A1The Mosaic Company
Most cited
By later US patents
- Method of converting brines to useful products46US 4,634,533 A1987
- Fertilizer suspension and method of preparation31US 8,110,017 B2Lawrence Brooke Engineering, LLC. · 2012
- Agricultural inoculant composition24US 4,337,077 A1982
- Mushroom-growing medium18US 4,333,757 AThe United States of America as represented by the Secretary of Agriculture · 1982
- Process of sonically treating municipal waste to produce high quality paper pulp and fertilizer15US 3,933,577 A1976