B01J 20/048
Containing phosphorus
Official title: {containing phosphorus, e.g. phosphates, apatites, hydroxyapatites}
B01J20/048 (Containing phosphorus) appears on 194 US grants and 210 published applications in this corpus.
Search patents in B01J- Granted patents
- 194
- Published applications
- 210
- Assignees
- 150
- Inventors
- 508
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 2 |
| 2002 | 5 | 0 |
| 2003 | 1 | 6 |
| 2004 | 0 | 5 |
| 2005 | 2 | 3 |
| 2006 | 3 | 7 |
| 2007 | 2 | 6 |
| 2008 | 2 | 4 |
| 2009 | 2 | 12 |
| 2010 | 6 | 17 |
| 2011 | 5 | 7 |
| 2012 | 2 | 3 |
| 2013 | 3 | 10 |
| 2014 | 8 | 7 |
| 2015 | 6 | 8 |
| 2016 | 9 | 5 |
| 2017 | 7 | 12 |
| 2018 | 8 | 13 |
| 2019 | 13 | 15 |
| 2020 | 13 | 14 |
| 2021 | 8 | 5 |
| 2022 | 9 | 13 |
| 2023 | 6 | 13 |
| 2024 | 7 | 11 |
| 2025 | 13 | 10 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of use and manufacture of silver-doped, nano-porous hydroxyapatite9 Jun 2026US 12,649,143 B2Mo-Sci Corporation
- Compositions and methods for eliminating scent12 May 2026US 12,623,202 B1Camo Dust Inc.
- Hydroxyapatite-supporting porous silica particles, method for producing hydroxyapatite-supporting porous silica particles, and composition comprising hydroxyapatite-supporting porous silica particles13 Jan 2026US 12,521,323 B2Agc Si-Tech Co., Ltd.
- Polymer-hydroxyapatite composite membranes16 Dec 2025US 12,496,567 B2Bio-Rad Laboratories, Inc.
- Particulate crystalline nanocomposite and adsorbent2 Dec 2025US 12,486,180 B1Imam Mohammad Ibn Saud Islamic University
- Polyamine phosphorus dendrimer materials for metal sequestration30 Apr 2026US 2026/0115683 A1Research Triangle Institute
- Phosphorus adsorbent and preparation method thereof12 Mar 2026US 2026/0070035 A1
- Isolation of Ammonia from Wastewater with Struvite4 Sep 2025US 2025/0276916 A1Perseverance Water Guardian LLC
- Automatic recharger brine preparation from a salt cartridge24 Jul 2025US 2025/0235591 A1Mozarc Medical US LLC
- Adsorbent and method of manufacturing adsorbent26 Jun 2025US 2025/0205674 A1Hoya Technosurgical Corporation
Most cited
By later US patents
- Calcium phosphate microcarriers and microspheres198US 6,210,715 B1CaP Biotechnology, Inc. · 2001
- Ammonia scavenger185US 4,460,555 AOrganon Teknika Corporation · 1984
- Ammonia scavenger170US 4,650,587 AAkzona Incorporated · 1987
- Process for producing calcium phosphate ceramics having porous surface67US 5,017,518 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1991
- Calcium phosphate microcarriers and microspheres59US 6,358,532 B2CaP Biotechnology, Inc. · 2002