C01B 25/44
Metaphosphates
C01B25/44 (Metaphosphates) appears on 35 US grants and 21 published applications in this corpus.
Search patents in C01B- Granted patents
- 35
- Published applications
- 21
- Assignees
- 30
- Inventors
- 78
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 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 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 4 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Positive electrode additive, manufacturing method thereof, and positive electrode and lithium rechargeable battery including the same11 Mar 2025US 12,249,714 B2LG Energy Solution, Ltd.
- Antimicrobial composite material17 Sep 2024US 12,091,316 B2Consejo Superior de Investigaciones Cientificas
- Cation energy storage device and methods23 Jan 2024US 11,881,579 B2Brown University
- Cation energy storage device and methods28 Jun 2022US 11,374,211 B2Brown University
- Anti-scaling composition for water systems28 Sep 2021US 11,130,691 B2Cabot Corporation
- Method for producing phosphorus trifluoride and method for producing phosphorus pentafluoride5 Jun 2025US 2025/0178902 A1Central Glass Company, Limited
- Cation energy storage device and methods2 Feb 2023US 2023/0031332 A1Brown University
- Positive Electrode Additive, Manufacturing Method Thereof, and Positive Electrode and Lithium Rechargeable Battery Including the Same20 Jan 2022US 2022/0020988 A1LG Chem.Ltd.
- Antimicrobial composite material15 Jul 2021US 2021/0214223 A1Consejo Superior de Investigaciones Cientificas
- Cation energy storage device and methods18 Mar 2021US 2021/0083265 A1Brown University
Most cited
By later US patents
- Method for making .beta.-form aluminum trimetaphosphate22US 4,216,190 APPG Industries, Inc. · 1980
- Method for making B-form aluminum trimetaphosphate from powder reactants16US 4,329,327 APPG Industries, Inc. · 1982
- Method for making aluminum trimetaphosphates from powder reactants16US 4,333,914 APPG Industries, Inc. · 1982
- Method for producing calcium phosphate-based material13US 5,089,195 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1992
- Acicular, crystalline calcium metaphosphate12US 4,360,625 AMonsanto Company · 1982