B01J 2220/4825
Polysaccharides or cellulose materials
Official title: Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
B01J2220/4825 (Polysaccharides or cellulose materials) appears on 261 US grants and 319 published applications in this corpus.
Search patents in B01J- Granted patents
- 261
- Published applications
- 319
- Assignees
- 257
- Inventors
- 852
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 12 |
| 2003 | 8 | 12 |
| 2004 | 5 | 6 |
| 2005 | 4 | 11 |
| 2006 | 5 | 12 |
| 2007 | 3 | 9 |
| 2008 | 3 | 12 |
| 2009 | 6 | 8 |
| 2010 | 11 | 24 |
| 2011 | 8 | 14 |
| 2012 | 9 | 7 |
| 2013 | 6 | 13 |
| 2014 | 4 | 18 |
| 2015 | 9 | 14 |
| 2016 | 6 | 14 |
| 2017 | 12 | 8 |
| 2018 | 13 | 15 |
| 2019 | 9 | 16 |
| 2020 | 13 | 10 |
| 2021 | 10 | 17 |
| 2022 | 2 | 16 |
| 2023 | 10 | 11 |
| 2024 | 19 | 18 |
| 2025 | 5 | 13 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Eco-friendly water retention natural polymer and method thereof3 Mar 2026US 12,564,827 B2EF Polymer K.K.
- Carbon-based porous material and preparation method and use thereof10 Feb 2026US 12,545,589 B2China Petroleum & Chemical Corporation
- Photothermal polymeric aerogels for wastewater detoxification and water recycling8 Oct 2026US 2026/0308020 A1University of Kentucky Research Foundation
- Water-absorbent resin particles and production method therefor, absorbent body, and absorbent article17 Sep 2026US 2026/0273507 A1Sumitomo Seika Chemicals Co., Ltd.
- Porous nanocomposites of oxidised nanofibrillated cellulose and natural rubber latex comprising antimicrobial metal oxides, production processes and uses3 Sep 2026US 2026/0257198 A1Centro Nacional De Pesquisa Em Energia E Materiais
- Amine-fluorine bifunctional hydrogel adsorbent, and preparation and application thereof2 Jul 2026US 2026/0183747 A1Shanghai Jiao Tong University
- Blister packs with tris(hydroxymethyl)aminomethane impregnated activated carbon entrained polymer films for reducing volatile organic compounds11 Jun 2026US 2026/0158468 A1CSP Technologies, Inc.
Most cited
By later US patents
- Product/process/application for removal of mercury from liquid hydrocarbon155US 5,336,835 ACalgon Carbon Corporation · 1994
- Method for the removal of mercury from a gas stream92US 6,974,564 B2CDEM Holland, BV · 2005
- Product/process/application for removal of mercury from liquid hydrocarbon85US 5,202,301 ACalgon Carbon Corporation · 1993
- Method of preparing cyclodextrin-coated surfaces65US 4,917,956 AUop LLC · 1990
- Process for adsorption of mercury from gaseous streams54US 6,524,371 B2Merck & Co., Inc. · 2003