B01J 2220/4875
The starting material being a waste, residue or of undefined composition
Official title: the starting material being a waste, residue or of undefined composition
B01J2220/4875 (The starting material being a waste, residue or of undefined composition) appears on 152 US grants and 210 published applications in this corpus.
Search patents in B01J- Granted patents
- 152
- Published applications
- 210
- Assignees
- 141
- Inventors
- 405
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 9 |
| 2003 | 3 | 4 |
| 2004 | 1 | 3 |
| 2005 | 3 | 7 |
| 2006 | 0 | 5 |
| 2007 | 7 | 8 |
| 2008 | 3 | 4 |
| 2009 | 5 | 9 |
| 2010 | 9 | 13 |
| 2011 | 8 | 13 |
| 2012 | 12 | 9 |
| 2013 | 11 | 13 |
| 2014 | 6 | 11 |
| 2015 | 3 | 7 |
| 2016 | 5 | 11 |
| 2017 | 10 | 7 |
| 2018 | 6 | 7 |
| 2019 | 8 | 9 |
| 2020 | 6 | 15 |
| 2021 | 3 | 5 |
| 2022 | 6 | 9 |
| 2023 | 6 | 12 |
| 2024 | 12 | 11 |
| 2025 | 3 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adsorbent mixture for depleting antibiotics, pathogens, and heavy metals10 Mar 2026US 12,569,826 B2Foundation for Neglected Disease Research
- Pelletized compositions for liquid solidification and moisture retention and methods of making and using the same10 Mar 2026US 12,569,827 B2
- Processes and systems for recapturing carbon from biomass pyrolysis liquids10 Mar 2026US 12,570,904 B2Carbon Technology Holdings, LLC
- Adsorbent for municipal wastewater treatment23 Dec 2025US 12,503,377 B2Carbogenics LTD
- Method and system for pyrolysis and carbon deposition29 Jul 2025US 12,371,620 B2Royal Melbourne Institute of Technology
- Methods of environment remediation using a pelletized composition for liquid solidification and moisture retention16 Jul 2026US 2026/0199872 A1
- Method of biochar formation and machine for conversion of biomass to biochar11 Jun 2026US 2026/0159398 A1Rda Technologies Limited
- Nickel-magnesium loaded biochar-based bifunctional material and preparation method thereof19 Feb 2026US 2026/0048379 A1Zhejiang University
- Recycling of amine functionalized metal-organic framework sorbents15 Jan 2026US 2026/0014544 A1Mosaic Materials, Inc.
- Carbon dioxide fixation apparatus and method for fixing carbon dioxide10 Jul 2025US 2025/0222401 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Process for adsorption of mercury from gaseous streams54US 6,524,371 B2Merck & Co., Inc. · 2003
- Carbon-based adsorption powder containing cupric chloride54US 6,638,347 B2Merck & Co., Inc. · 2003
- Carbon dioxide absorber and method for manufacturing same from building industrial waste46US 5,298,475 AKyoei Bussan Kabushiki Kaisha · 1994
- Adsorption powder containing cupric chloride39US 6,841,513 B2Merck & Co., Inc. · 2005
- Adsorbents for removing heavy metals and methods for producing and using the same27US 6,914,034 B2Calgon Carbon Corporation · 2005