C01B 25/265
General methods for obtaining phosphates
Official title: {General methods for obtaining phosphates}
C01B25/265 (General methods for obtaining phosphates) appears on 26 US grants and 25 published applications in this corpus.
Search patents in C01B- Granted patents
- 26
- Published applications
- 25
- Assignees
- 36
- Inventors
- 98
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing lithium manganese iron phosphate, cathode material, and lithium-ion battery6 Oct 2026US 12,753,077 B2Phylion Battery Co., Ltd.
- Preparation method of lithium iron phosphate cathode material7 Apr 2026US 12,595,176 B2Advanced Lithium Electrochemistry Co., Ltd.
- Method to synthesize crystalline materials in the presence of ODSO with improved zeolite crystallization rates and enhanced relative crystallinity9 Sep 2025US 12,410,062 B2Saudi Arabian Oil Company
- Method, system and stable for phosphate recovery from a waste stream10 Jun 2025US 12,325,652 B2Koninklijke Oosterhof-Holman Beheer B.V.
- System and method for removing organics from phosphate ore31 Dec 2024US 12,180,071 B2KOR Mineral Technologies Inc.
- Sheet shaped ferric phosphate with a high iron-to-phosphorus ratio and method for preparing the same, lithium iron phosphate cathode material, cathode plate and secondary battery18 Dec 2025US 2025/0382177 A1Hubei Hongrun High-Tech New Materials Co., Ltd.
- Low temperature synthesis of monazite-type materials28 Aug 2025US 2025/0270090 A1University of South Carolina
- Lithium manganese iron phosphate material and method for preparing the same, cathode plate, and secondary battery31 Jul 2025US 2025/0243064 A1Hubei Wanrun New Energy Technology Co., Ltd.
- Manufacturing method of carbon-coated lithium iron phosphate material26 Sep 2024US 2024/0317584 A1Advanced Lithium Electrochemistry Co., Ltd.
- Method to synthesize crystalline materials in the presence of odso with improved zeolite crystallization rates and enhanced relative crystallinity18 Jul 2024US 2024/0239670 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Production of anticorrosive pigments containing phosphorus34US 4,294,808 AHoechst Aktiengesellschaft · 1981
- Inorganic phosphate aerogels and their preparation14US 4,622,310 AStauffer Chemical Company · 1986
- Process for the manufacture of finely dispersed sparingly soluble salts of oxyacids of phosphorus8US 4,346,065 AHoechst Aktiengesellschaft · 1982
- Crystalline salt monomers for stable phosphate glasses7US 4,049,779 AAllied Chemical Corporation · 1977
- Layered divalent metal phosphates containing pendent substituent groups and their preparation6US 5,072,031 AMobil Oil Corporation · 1991