C01B 25/324
Preparation from a reaction solution obtained by acidifying with an acid other
Official title: {Preparation from a reaction solution obtained by acidifying with an acid other than orthophosphoric acid}
C01B25/324 (Preparation from a reaction solution obtained by acidifying with an acid other) appears on 28 US grants and 30 published applications in this corpus.
Search patents in C01B- Granted patents
- 28
- Published applications
- 30
- Assignees
- 30
- Inventors
- 71
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 3 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 0 | 3 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of extracting lithium compound(s)31 Dec 2024US 12,180,082 B2Outotec (Finland) Oy
- Process for the recovery of rare earths2 Jan 2024US 11,858,824 B2Arafura Resources Limited
- Method for etching a phosphate source using acid9 Aug 2022US 11,407,640 B2Prayon Technologies
- Method for producing octacalcium phosphate shaped product28 Jul 2020US 10,723,625 B2GC Corporation
- Method for producing calcium sulfate26 May 2020US 10,662,072 B2Prayon Technologies
- Process for producing a phosphate containing product from a phosphate source6 Feb 2025US 2025/0042742 A1Prayon
- Calcium hydroxyapatite particles and use thereof7 Mar 2024US 2024/0074954 A1Merz North America, Inc.
- Manufacture of fertiliser11 Nov 2021US 2021/0347703 A1
- Method of extracting lithium compound(s)20 May 2021US 2021/0147247 A1Outotec (Finland) Oy
- Process for the recovery of rare earths13 May 2021US 2021/0140012 A1Arafura Resources Limited
Most cited
By later US patents
- Methods for production of calcium phosphate79US 5,939,039 AOrthovita, Inc. · 1999
- Biocompatible cement containing reactive calcium phosphate nanoparticles and methods for making and using such cement77US 6,808,561 B2University of South Carolina · 2004
- Minerals and methods for their production and use52US 6,325,987 B1Vita Licensing, Inc. · 2001
- Biocompatible cement containing reactive calcium phosphate nanoparticles and methods for making and using cement31US 7,081,161 B2University of South Carolina · 2006
- Minerals and methods for their production and use30US 6,969,501 B2Vita Special Purpose Corporation · 2005