C05B 19/00
Granulation or pelletisation of phosphatic fertilisers, other than slag
Official title: Granulation or pelletisation of phosphatic fertilisers, other than slag (granulating apparatus B01J2/00; granulating slag C04B)
C05B19/00 (Granulation or pelletisation of phosphatic fertilisers, other than slag) appears on 46 US grants and 76 published applications in this corpus.
Search patents in C05B- Granted patents
- 46
- Published applications
- 76
- Assignees
- 55
- Inventors
- 215
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 3 |
| 2016 | 1 | 5 |
| 2017 | 1 | 3 |
| 2018 | 2 | 10 |
| 2019 | 6 | 9 |
| 2020 | 7 | 7 |
| 2021 | 7 | 6 |
| 2022 | 2 | 4 |
| 2023 | 3 | 7 |
| 2024 | 3 | 8 |
| 2025 | 3 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Acidified fertilizer granules19 May 2026US 12,630,485 B2Sabic Agri-Nutrients Company
- Coherent dispersible granules and methods for forming coherent dispersible granules3 Mar 2026US 12,565,456 B2Phospholution Inc.
- Use of a liquid composition for coating particles17 Feb 2026US 12,552,725 B2Arkema France
- Disaggregable granulated calcium and/or magnesium and potassium fertilizer and method of obtaining thereof27 May 2025US 12,312,283 B2Caete ParticipaçãO E AdministraçäO Eirelli
- Method and fluidized bed granulator for the production of granules from a slurry25 Feb 2025US 12,233,394 B2Yara International Asa
- Mineral phosphate ash based fertilizer containing magnesium, produced from sewage sludge ash, and process for the production thereof8 Oct 2026US 2026/0308076 A1
- A mineral phosphate ash based fertilizer and a process for the production thereof23 Apr 2026US 2026/0109656 A1
- Dispersible activated bauxite granules and methods for forming dispersible activated bauxite granules12 Mar 2026US 2026/0070851 A1Phospholutions Inc.
- Fertilizer composition containing a carbon-based additive and methods of making same11 Dec 2025US 2025/0376425 A1The Mosaic Company
- Phosphate-enriched, heavy-metal depleted granular fertilizer, method of production, device and use3 Jul 2025US 2025/0214905 A1Pontes Pabuli Gmbh
Most cited
By later US patents
- Apparatus for coating particulate material with finely divided solids20US 3,938,469 AAmerican Cyanamid Company · 1976
- Zinc-ammonium phosphate fertilizers15US 6,322,607 B1Incitec Limited · 2001
- Granulating process14US 4,353,730 AMitsui Toatsu Chemicals, Inc. · 1982
- Granulation of urea phosphate from urea and merchant-grade phosphoric acid9US 4,512,793 ATennessee Valley Authority · 1985
- Method for producing fertilizer grade DAP having an increased nitrogen concentration from recycle9US 6,241,796 B1IMC-Agrico Company · 2001