C05B 11/10
Using orthophosphoric acid
Official title: using orthophosphoric acid
C05B11/10 (Using orthophosphoric acid) appears on 12 US grants and 13 published applications in this corpus.
Search patents in C05B- Granted patents
- 12
- Published applications
- 13
- Assignees
- 18
- Inventors
- 46
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coherent dispersible granules and methods for forming coherent dispersible granules3 Mar 2026US 12,565,456 B2Phospholution Inc.
- Method for manufacturing fertilizer3 Mar 2026US 12,565,457 B2Resonac Corporation
- Production of potassium phosphates27 Jan 2026US 12,534,368 B2Easymining Sweden AB
- Method for recovering phosphorus9 Nov 2021US 11,167,989 B2Zentrum FüR Sonnenenergie- Und Wasserstoff-Forschung Baden-WüRttemberg GemeinnüTzige Stiftung
- Fertilizer with organic potassium salts17 Dec 2019US 10,508,060 B1Nachurs Alpine Solutions, Corp.
- A mineral phosphate ash based fertilizer and a process for the production thereof23 Apr 2026US 2026/0109656 A1
- Fertilizer comprising immediate- and slow-release agents in soil complex nutrients15 Jan 2026US 2026/0015294 A1Sabic Agri-Nutrients Company
- Method for production of cellulose-coated npk complex nutrient25 Dec 2025US 2025/0388519 A1Sabic Agri-Nutrients Company
- Method and apparatus for water clarification and greening31 Jul 2025US 2025/0243088 A1FujiClean Co., Ltd.
- Coherent dispersible granules and methods for forming coherent dispersible granules31 Oct 2024US 2024/0360050 A1Phospholution Inc.
Most cited
By later US patents
- Organic neutral liquid fertilizer and process for preparing the same16US 5,174,805 A1992
- Fertilizer from brewery cleaning and rinsing solutions16US 6,042,629 ALabatt Brewing Company Limited · 2000
- Preparation of monocalcium phosphate and phosphoric acid10US 4,160,657 APennzoil Company · 1979
- Process for the manufacture of bio-release fertilizers of zinc-iron-manganese, iron-manganese-copper and zinc-iron manganese-copper6US 8,216,337 B2National Research Development Corporation · 2012
- Fertilizer with organic potassium salts4US 10,508,060 B1Nachurs Alpine Solutions, Corp. · 2019