B01J 2220/4831
Having been subjected to further processing
Official title: having been subjected to further processing, e.g. paper, cellulose pulp
B01J2220/4831 (Having been subjected to further processing) appears on 73 US grants and 81 published applications in this corpus.
Search patents in B01J- Granted patents
- 73
- Published applications
- 81
- Assignees
- 77
- Inventors
- 222
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 8 |
| 2011 | 5 | 4 |
| 2012 | 4 | 2 |
| 2013 | 2 | 5 |
| 2014 | 0 | 5 |
| 2015 | 1 | 5 |
| 2016 | 3 | 7 |
| 2017 | 4 | 2 |
| 2018 | 5 | 5 |
| 2019 | 2 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 7 |
| 2022 | 1 | 3 |
| 2023 | 2 | 7 |
| 2024 | 6 | 2 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bio-based carbon foam31 Mar 2026US 12,590,197 B2Stora Enso OYJ
- Adsorbent mixture for depleting antibiotics, pathogens, and heavy metals10 Mar 2026US 12,569,826 B2Foundation for Neglected Disease Research
- 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
- Amorphous carbons for phosphate removal and methods thereof17 Dec 2024US 12,168,614 B2Washington State University
- Water-absorbent resin particles and production method therefor, absorbent body, and absorbent article17 Sep 2026US 2026/0273507 A1Sumitomo Seika Chemicals Co., Ltd.
- Crosslinked structure, metal-trapping material including said crosslinked structure, method for recovering metal using said metal-trapping material, and method for manufacturing said crosslinked structure24 Apr 2025US 2025/0128236 A1Daicel Corporation
- Method for Nitrogen Removal and Nitrogen Salts Recovery Using Carboxylated Cellulose Extracted by Nitro-oxidation16 Jan 2025US 2025/0019264 A1The Research Foundation for The State University of New York
- Eco-friendly super absorbent carboxymethyl cellulose polymer and preparation method therefor5 Dec 2024US 2024/0399338 A1Inertia Inc.
- Metal recovery material, and method for recovering metal from solution including metal ion or metal complex ion21 Nov 2024US 2024/0384368 A1IHI Corporation
Most cited
By later US patents
- Method for the removal of mercury from a gas stream92US 6,974,564 B2CDEM Holland, BV · 2005
- Method of preparing cyclodextrin-coated surfaces65US 4,917,956 AUop LLC · 1990
- Composite material for absorbing and remediating contaminants and method of making same37US 9,714,180 B2Ecovative Design LLC · 2017
- Process for deabsorbing oil from oil absorbent23US 5,244,566 AInsight Environmental Services, Inc. · 1993
- Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas20US 5,310,548 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1994