C01F 17/247
Carbonates
C01F17/247 (Carbonates) appears on 64 US grants and 107 published applications in this corpus.
Search patents in C01F- Granted patents
- 64
- Published applications
- 107
- Assignees
- 66
- Inventors
- 227
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 6 |
| 2008 | 0 | 4 |
| 2009 | 2 | 1 |
| 2010 | 1 | 9 |
| 2011 | 1 | 9 |
| 2012 | 5 | 3 |
| 2013 | 1 | 2 |
| 2014 | 5 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 3 | 3 |
| 2020 | 3 | 7 |
| 2021 | 1 | 5 |
| 2022 | 8 | 9 |
| 2023 | 3 | 10 |
| 2024 | 4 | 4 |
| 2025 | 2 | 12 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous ion exchange processes for separating rare earth elements16 Jun 2026US 12,655,499 B2
- High pressure caustic leach methods and processes for recovery of scandium and rare-earth oxides5 May 2026US 12,617,693 B2Scandium Canada Ltd.
- Method for preparing rare earth oxide by recycling ammonia and carbon and use of rare earth oxide14 Apr 2026US 12,600,644 B2Baotou Research Institute of Rare Earths
- Aqueous dispersion of cerium (III) carbonate particles7 Apr 2026US 12,595,388 B2Rohm and Haas Company
- Method for producing rare earth carbonate fine particles and a rare earth carbonate fine particle21 Oct 2025US 12,448,299 B2Shin-Etsu Chemical Co., Ltd.
- Method for the preparation of mixed rare earth metal carbonates from monazite10 Sep 2026US 2026/0265076 A1Tecnicas Reunidas S. A.
- Slurry and polishing method27 Aug 2026US 2026/0250550 A1
- Rare earth element extraction and recycling23 Apr 2026US 2026/0108826 A1Voyager Technologies, Inc.
- Continuous Ion Exchange Processes for Separating Rare Earth Elements12 Mar 2026US 2026/0071298 A1
- Process for selectively capturing chemical elements from a polymetallic sample26 Feb 2026US 2026/0055006 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Catalysts for the oxidative dehydrogenation of hydrocarbons93US 6,403,523 B1Union Carbide Chemicals & Plastics Technology Corporation · 2002
- Catalysts for the oxidative dehydrogenation of hydrocarbons75US 6,576,803 B2Union Carbide Chemicals & Plastics Technology Corporation · 2003
- Recovery of rare earth elements from Bayer process red mud40US 5,030,424 AAlcan International Limited · 1991
- Pharmaceutical composition containing selected lanthanum carbonate hydrates34US 5,968,976 AAnorMED, Inc. · 1999
- Process for synthesis of uniform colloidal particles of rare earth oxides32US 5,015,452 AClarkson University · 1991