C01B 25/425
Of alkali metals
Official title: {of alkali metals}
C01B25/425 (Of alkali metals) appears on 20 US grants and 13 published applications in this corpus.
Search patents in C01B- Granted patents
- 20
- Published applications
- 13
- Assignees
- 19
- Inventors
- 59
- Latest grant
- 8 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 5 |
By publication year. Applications have been published since 2001.
Recent patents
- Collector for beneficiating carbonaceous phosphate ores8 Oct 2019US 10,434,520 B2Arr-Maz Products, L.P.
- Pyrophosphate type material, process for preparing such a material and use for bone repair13 Aug 2019US 10,376,612 B2Centre National De La Recherche Scientifique
- Metal-containing compounds1 Jan 2019US 10,170,212 B2Faradion Limited
- Salts of pyrophosphonic acid as flame retardants31 Jul 2018US 10,035,896 B2LANXESS Solutions US Inc.
- Process for producing alkali metal polyphosphates21 Sep 1999US 5,955,047 AAjinomoto Co., Inc.
- Sodium iron phosphate pyrophosphate positive-electrode material and preparation method thereof, battery, and energy storage device25 Dec 2025US 2025/0391860 A1Xiamen Hithium Energy Storage Technology Co., Ltd.
- Positive electrode active material and preparation method therefor, secondary battery, battery module, battery pack and electric device11 Sep 2025US 2025/0286064 A1Contemporary Amperex Technology (Hong Kong) Limited
- Positive electrode active material and preparation method therefor, secondary battery and electric device28 Aug 2025US 2025/0273674 A1Contemporary Amperex Technology (Honk Kong) Limited
- Positive electrode material composition, method for the preparation thereof, positive electrode plate, secondary battery and electrical device containing the same6 Mar 2025US 2025/0079467 A1Contemporary Amperex Technology (Hong Kong) Limited
- Electrode material for all-solid battery, electrode for all-solid battery and method for manufacturing same, and all-solid battery and method for manufacturing same27 Feb 2025US 2025/0070162 A1Nippon Electric Glass Co., Ltd.
Most cited
By later US patents
- Production of phosphates from alkali-processes phosphate rock9US 4,777,026 A1988
- Alkali metal acid pyrophosphate leavening acid compositions and methods for producing the same5US 4,804,553 A1989
- Metal-containing compounds4US 10,170,212 B2Faradion Limited · 2019
- Production of granular alkali metal diphosphates or triphosphates3US 4,394,358 AHoechst Aktiengesellschaft · 1983
- Process and device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions3US 4,501,639 AHoechst Aktiengesellschaft · 1985