C01B 25/305
Preparation from phosphorus-containing compounds by alkaline treatment
Official title: {Preparation from phosphorus-containing compounds by alkaline treatment}
C01B25/305 (Preparation from phosphorus-containing compounds by alkaline treatment) appears on 26 US grants and 35 published applications in this corpus.
Search patents in C01B- Granted patents
- 26
- Published applications
- 35
- Assignees
- 33
- Inventors
- 117
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 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 | 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 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 5 |
| 2014 | 0 | 2 |
| 2015 | 4 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 7 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lithium nickel manganese-containing composite oxide, method for preparation thereof, positive electrode plate, secondary battery and electrical device14 Jul 2026US 12,679,730 B2Contemporary Amperex Technology (Hong Kong) Limited
- Production of potassium phosphates27 Jan 2026US 12,534,368 B2Easymining Sweden AB
- Method of preparing lithium metal phosphate cathode materials25 Feb 2025US 12,234,148 B2Rivian IP Holdings, LLC
- Lithium iron manganese phosphate precursor, lithium iron manganese phosphate positive electrode material and preparation method therefor, electrode material, electrode, and lithium-ion battery10 Dec 2024US 12,162,752 B2Beijing Easpring Material Technology Co., Ltd.
- Method and system for phosphate recovery from a stream5 Dec 2023US 11,834,355 B2Kemira Oyj
- Manufacturing method for lithium phosphate1 Oct 2026US 2026/0296888 A1Posco Holdings Inc.
- A method for recovery of lithium13 Aug 2026US 2026/0233998 A1Northvolt Revolt AB
- Processing Of Phosphate Solutions6 Aug 2026US 2026/0225888 A1Easymining Sweden AB
- Composite cathode material and method for preparing the same, lithium ion battery30 Jan 2025US 2025/0038193 A1BTR Nano Tech Co., Ltd.
- Lithium nickel manganese-containing composite oxide, method for preparation thereof, positive electrode plate, secondary battery and electrical device9 Jan 2025US 2025/0011172 A1Contemporary Amperex Technology (Hong Kong) Limited
Most cited
By later US patents
- Method of extracting lithium with high purity from lithium bearing solution by electrolysis13US 8,936,711 B2Research Institute of Industrial Science & Technology · 2015
- Production of phosphates from alkali-processes phosphate rock9US 4,777,026 A1988
- Positive electrode for lithium secondary battery, manufacturing method thereof, and lithium secondary battery8US 9,252,419 B2Semiconductor Energy Laboratory Co.Ltd. · 2016
- Rare earth recovery from fluorescent material and associated method6US 8,137,645 B2General Electric Company · 2012
- Water solvated glass/amorphous solid ionic conductors4US 9,890,048 B2Board of Regents, The University of Texas System · 2018