C01B 25/37
Phosphates of heavy metals
C01B25/37 (Phosphates of heavy metals) appears on 279 US grants and 388 published applications in this corpus.
Search patents in C01B- Granted patents
- 279
- Published applications
- 388
- Assignees
- 255
- Inventors
- 989
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 4 |
| 2003 | 3 | 4 |
| 2004 | 6 | 9 |
| 2005 | 4 | 10 |
| 2006 | 2 | 10 |
| 2007 | 6 | 5 |
| 2008 | 6 | 5 |
| 2009 | 8 | 11 |
| 2010 | 5 | 17 |
| 2011 | 5 | 18 |
| 2012 | 6 | 28 |
| 2013 | 14 | 17 |
| 2014 | 10 | 19 |
| 2015 | 22 | 17 |
| 2016 | 19 | 15 |
| 2017 | 16 | 11 |
| 2018 | 12 | 11 |
| 2019 | 10 | 7 |
| 2020 | 7 | 17 |
| 2021 | 5 | 11 |
| 2022 | 9 | 17 |
| 2023 | 11 | 30 |
| 2024 | 9 | 42 |
| 2025 | 17 | 25 |
| 2026 | 19 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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 for iron phosphate powder by microporous filtration and concentration and preparation device thereof6 Oct 2026US 12,753,078 B2Zhejiang Dong'ou Filtering Machinery Manufacturing Co., Ltd.
- Rechargeable lithium battery with an improved ε-VOPO4 cathode, and applications thereof6 Oct 2026US 12,755,970 B2The Research Foundation for The State University of New York
- Compound for transparent conductive coatings8 Sep 2026US 12,729,120 B2Pilkington Group Limited
- Lithium-ion solid state conductor including lithium hafnium metal phosphate, electrode and battery including the conductor, methods of manufacture thereof11 Aug 2026US 12,706,323 B2Samsung Electronics Co., Ltd.
- High power electrode materials1 Oct 2026US 2026/0302226 A1A123 Systems, Inc.
- Modified Lithium Aluminum Titanium Phosphate and Preparation Method Thereof, and Lithium-Ion Solid-State Battery1 Oct 2026US 2026/0302340 A1Hefei Gotion High-Tech Power Energy Co., Ltd.
- Olivine cathode active material for lithium secondary battery and manufacturing method thereof17 Sep 2026US 2026/0279800 A1Posco Holdings Inc.
- Epsilon-vopo4 cathode production, and applications thereof17 Sep 2026US 2026/0279803 A1The Research Foundation for The State University of New York
- Cathode material, preparation method for cathode material, and secondary battery10 Sep 2026US 2026/0269246 A1Shenzhen Dynanonic Co., Ltd.
Most cited
By later US patents
- Method of synthesizing zirconium phosphate particles175US 7,566,432 B2Renal Solutions, Inc. · 2009
- Zirconium phosphate and method for its preparation138US 4,826,663 AEniricerche S. p. A. · 1989
- Method of synthesizing zirconium phosphate particles129US 7,736,507 B2Renal Solutions, Inc. · 2010
- Method of making lithium-containing materials123US 6,528,033 B1Valence Technology, Inc. · 2003
- Methods for production of calcium phosphate79US 5,939,039 AOrthovita, Inc. · 1999