B01J 20/24
Naturally occurring macromolecular compounds
Official title: Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
B01J20/24 (Naturally occurring macromolecular compounds) appears on 854 US grants and 1,241 published applications in this corpus.
Search patents in B01J- Granted patents
- 854
- Published applications
- 1,241
- Assignees
- 785
- Inventors
- 2,874
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 16 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 5 |
| 2002 | 9 | 15 |
| 2003 | 9 | 18 |
| 2004 | 11 | 21 |
| 2005 | 7 | 18 |
| 2006 | 7 | 17 |
| 2007 | 9 | 17 |
| 2008 | 4 | 23 |
| 2009 | 8 | 15 |
| 2010 | 19 | 31 |
| 2011 | 11 | 19 |
| 2012 | 19 | 21 |
| 2013 | 15 | 45 |
| 2014 | 15 | 51 |
| 2015 | 26 | 57 |
| 2016 | 35 | 80 |
| 2017 | 40 | 78 |
| 2018 | 42 | 70 |
| 2019 | 51 | 92 |
| 2020 | 53 | 77 |
| 2021 | 59 | 85 |
| 2022 | 51 | 78 |
| 2023 | 63 | 87 |
| 2024 | 61 | 90 |
| 2025 | 65 | 79 |
| 2026 | 43 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrated lime for carbon capture1 Sep 2026US 12,722,136 B1Lhoist North America, Inc.
- Method for preparing lithium extraction absorbent and its application1 Sep 2026US 12,722,138 B2Harbin Institute of Technology
- Chromatography beads, production and use thereof1 Sep 2026US 12,722,143 B2Cytiva BioProcess R&D AB
- Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera18 Aug 2026US 12,709,618 B2Zhongyang Biotechnology (Shanghai) Co., LTD.
- Polymeric material composition4 Aug 2026US 12,697,600 B2Upl Ltd
- Photothermal polymeric aerogels for wastewater detoxification and water recycling8 Oct 2026US 2026/0308020 A1University of Kentucky Research Foundation
- Separation Matrix and a Method of Separating Antibodies1 Oct 2026US 2026/0295462 A1Cytiva BioProcess R&D AB
- Constant gas-phase organic compound concentration generation apparatus and pretreatment method thereof1 Oct 2026US 2026/0295499 A1Shenzhen University
- High performance co2 adsorbents made from natural silk1 Oct 2026US 2026/0295558 A1Wisconsin Alumni Research Foundation
- Immunoglobulin-binding protein1 Oct 2026US 2026/0297140 A1Tosoh Corporation
Most cited
By later US patents
- Process for making low density hydrogel materials having high surface areas91US 5,541,234 AAlliedSignal Inc. · 1996
- Low density materials having high surface areas and articles formed therefrom86US 5,494,940 AAlliedSignal Inc. · 1996
- Low density materials having good compression strength and articles formed therefrom61US 5,502,082 AAlliedSignal Inc. · 1996
- Molecular separation column and use thereof58US 4,512,897 AAMF Incorporated · 1985
- Extracorporeal blood de-heparinization system52US 4,800,016 AUniversity of Michigan · 1989