C05B 13/02
From rock phosphates
Official title: from rock phosphates (C05B13/06 takes precedence)
C05B13/02 (From rock phosphates) appears on 15 US grants and 6 published applications in this corpus.
Search patents in C05B- Granted patents
- 15
- Published applications
- 6
- Assignees
- 16
- Inventors
- 43
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pseudomonas fluorescens N1 and use thereof13 May 2025US 12,297,424 B2Shanxi Boyu Biotechnology Co., Ltd.
- Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound16 Apr 2019US 10,259,752 B2Bundesrepublik Deutschland, Vertreten Durch Das Bundesminsiterium FüR Wirtschaft Und Energie, Dieses Vertreten Durch Den PräSidenten Der Bam, Bundesanstalt FüR Materialforschung Und -PrüFung
- Molten phosphorus-potassium fertilizer, and its preparation process23 Aug 2016US 9,422,202 B2Mineracao Curimbaba Ltda.
- Process for obtaining a fertilizer with sustained release of phosphorus11 Oct 2011US 8,034,149 B2Empresa Brasileira De Pesquisa AgropecuáRia—Embrapa
- Polyester composition and film made therefrom11 Apr 2000US 6,048,626 AToray Industries, Inc.
- Pseudomonas fluorescens n1 and use thereof7 Nov 2024US 2024/0368537 A1Shanxi Boyu Biotechnology Co., Ltd.
- System and method for converting biomass ash material into fertilizer29 Feb 2024US 2024/0067580 A1Blue Reason, LLC
- Fertilizer comprising phosphate rock powder and surface-reacted calcium carbonate13 Oct 2022US 2022/0324769 A1Omya International AG
- Production of citrate soluble phosphates by calcination of secondary phosphate sources with a sodium-sulfuric compound30 Aug 2018US 2018/0244587 A1Bundesrepublik Deutschland, Vertreten Durch Das Bundesministerium FüR Wirtschaft Und Energie
- Molten phosphorus-potassium fertilizer, and its preparation process27 Nov 2014US 2014/0345346 A1Mineracao Curimbaba Ltda.
Most cited
By later US patents
- Polyester composition and film made therefrom9US 6,048,626 AToray Industries, Inc. · 2000
- Alkaline decomposition process for producing calcined phosphate fertilizer7US 4,106,922 AKali-Chemie Aktiengesellschaft · 1978
- High temperature decomposition process for producing an alkali-containing calcined phosphate fertilizer6US 4,167,406 AKali-Chemie Aktiengesellschaft · 1979
- Production method of combined phosphorus fertilizer and soil conditioner5US 4,710,219 A1987
- Method and apparatus for beneficiating phosphate ores4US 4,324,577 ABeker Industries, Inc. · 1982