C04B 2235/3212
Calcium phosphates
Official title: Calcium phosphates, e.g. hydroxyapatite
C04B2235/3212 (Calcium phosphates) appears on 85 US grants and 120 published applications in this corpus.
Search patents in C04B- Granted patents
- 85
- Published applications
- 120
- Assignees
- 93
- Inventors
- 319
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 5 |
| 2004 | 1 | 7 |
| 2005 | 2 | 10 |
| 2006 | 6 | 2 |
| 2007 | 2 | 11 |
| 2008 | 2 | 2 |
| 2009 | 4 | 7 |
| 2010 | 7 | 8 |
| 2011 | 1 | 7 |
| 2012 | 4 | 2 |
| 2013 | 6 | 6 |
| 2014 | 6 | 2 |
| 2015 | 5 | 4 |
| 2016 | 2 | 5 |
| 2017 | 7 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 4 |
| 2020 | 2 | 3 |
| 2021 | 7 | 9 |
| 2022 | 3 | 8 |
| 2023 | 1 | 1 |
| 2024 | 3 | 4 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Ferrite sintered magnet and method for manufacturing ferrite sintered magnet12 Aug 2025US 12,387,875 B2TDK Corporation
- Bone repair composition and kit19 Nov 2024US 12,144,909 B2Zavation Medical Products, LLC
- Method of making a refractory article17 Sep 2024US 12,091,365 B2Pyrotek High Temperature Industrial Products Inc.
- Particle-stabilized foams using sustainable materials21 May 2026US 2026/0138930 A1ETH Zurich
- Method for preparing high-density magnesia-alumina spinel ceramic by low-temperature pressureless sintering27 Mar 2025US 2025/0100936 A1Shanghai Institute of Ceramics, Chinese Academy of Sciences
- Method For Storing Thermal Energy In A Ceramic Material13 Mar 2025US 2025/0084296 A1Association Pour La Recherche Developpement Des Methodes Et Processus Industriels
- Bone repair composition and kit30 Jan 2025US 2025/0032673 A1Zavation Medical Products, LLC
- Cranial-maxillofacial implant28 Nov 2024US 2024/0390148 A1Cerhum SA
Most cited
By later US patents
- Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production242US 6,013,591 AMassachusetts Institute of Technology · 2000
- Method for fabricating artificial bone implant green parts218US 5,639,402 A1997
- Artificial bone implants142US 6,540,784 B2Board of Regents, The University of Texas System · 2003
- Artificial bone implants83US 6,183,515 B2Board of Regents, The University of Texas System · 2001
- Method and apparatus for engineered regenerative biostructures such as hydroxyapatite substrates for bone healing applications75US 7,122,057 B2Therics, Inc. · 2006