C01B 25/327
After-treatment
Official title: {After-treatment}
C01B25/327 (After-treatment) appears on 103 US grants and 84 published applications in this corpus.
Search patents in C01B- Granted patents
- 103
- Published applications
- 84
- Assignees
- 78
- Inventors
- 213
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 5 |
| 2011 | 0 | 2 |
| 2012 | 3 | 5 |
| 2013 | 5 | 5 |
| 2014 | 2 | 2 |
| 2015 | 0 | 4 |
| 2016 | 1 | 2 |
| 2017 | 6 | 9 |
| 2018 | 3 | 7 |
| 2019 | 4 | 4 |
| 2020 | 4 | 8 |
| 2021 | 4 | 10 |
| 2022 | 7 | 2 |
| 2023 | 4 | 3 |
| 2024 | 4 | 1 |
| 2025 | 1 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organically modified mineral micro-particles, methods of preparing the same and uses thereof10 Mar 2026US 12,569,555 B2Croda International PLC
- Production of surface-reacted calcium salts by grinding induced conversion17 Jun 2025US 12,331,200 B2Omya International AG
- Powder, method of producing powder and adsorption apparatus10 Dec 2024US 12,161,988 B2Hoya Corporation
- Method for preparing octacalcium phosphate and octacalcium phosphate prepared thereby15 Oct 2024US 12,116,274 B2Hudens Bio Co., Ltd.
- Method for producing zirconia material28 May 2024US 11,992,578 B2Orbray Co., Ltd.
- Spherical nanoparticles for improved composite materials6 Aug 2026US 2026/0225889 A1Stichting Radboud universitair medisch centrum
- Low temperature synthesis of monazite-type materials28 Aug 2025US 2025/0270090 A1University of South Carolina
- Synthesis of nano-hydroxyapatite from decarbonized eggshells14 Aug 2025US 2025/0256963 A1King Fahd University of Petroleum and Minerals
- Methods for reactive crystallisation1 May 2025US 2025/0135375 A1Micropore Technologies Limited
- Porous permanently polarized hydroxyapatite, a process for its production and uses thereof27 Mar 2025US 2025/0099946 A1
Most cited
By later US patents
- In situ calcium phosphate minerals--method and composition218US 4,880,610 ANorian Corporation · 1989
- Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite199US 5,053,212 ANorian Corporation · 1991
- Situ prepared calcium phosphate composition and method159US 5,336,264 ANorian Corporation · 1994
- Methods for in situ prepared calcium phosphate minerals147US 5,129,905 ANorian Corporation · 1992
- Prepared calcium phosphate composition and method107US 5,820,632 ANorian Corporation · 1998