B01D 2253/202
Polymeric adsorbents
B01D2253/202 (Polymeric adsorbents) appears on 633 US grants and 884 published applications in this corpus.
Search patents in B01D- Granted patents
- 633
- Published applications
- 884
- Assignees
- 458
- Inventors
- 1,938
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 3 | 5 |
| 2002 | 8 | 11 |
| 2003 | 15 | 12 |
| 2004 | 7 | 7 |
| 2005 | 5 | 19 |
| 2006 | 11 | 15 |
| 2007 | 6 | 16 |
| 2008 | 8 | 22 |
| 2009 | 9 | 14 |
| 2010 | 12 | 25 |
| 2011 | 14 | 35 |
| 2012 | 16 | 23 |
| 2013 | 29 | 34 |
| 2014 | 24 | 33 |
| 2015 | 25 | 33 |
| 2016 | 29 | 33 |
| 2017 | 27 | 43 |
| 2018 | 35 | 48 |
| 2019 | 35 | 53 |
| 2020 | 42 | 45 |
| 2021 | 41 | 53 |
| 2022 | 32 | 40 |
| 2023 | 28 | 53 |
| 2024 | 34 | 76 |
| 2025 | 30 | 80 |
| 2026 | 31 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Device and method for passive collection of atmospheric carbon dioxide with a double-walled harvest chamber29 Sep 2026US 12,746,508 B2Arizona Board of Regents on behalf of Arizona State University
- Ammonium-functionalized polysulfone copolymers for moisture-swing CO2 capture22 Sep 2026US 12,741,265 B2Arizona Board of Regents on behalf of Arizona State University
- Process of forming a gas adsorbant macroporous material15 Sep 2026US 12,734,503 B2Spiritus Technologies, Pbc
- System and method for capturing carbon dioxide from a humidity adjusted air stream1 Sep 2026US 12,722,118 B2
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- 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
- Co2 separation system1 Oct 2026US 2026/0298533 A1National Institute for Materials Science National Institute for Materials Science
- Carbon dioxide capture process using hydrogels24 Sep 2026US 2026/0284567 A1Commonwealth Scientific and Industrial Research Organisation
Most cited
By later US patents
- Method of and apparatus for purifying reduced pressure process chambers388US 6,135,460 ATexas Instruments Incorporated · 2000
- Air purification system and process135US 4,231,768 APall Corporation · 1980
- Adsorbent package134US 3,990,872 AMultiform Desiccant Products, Inc. · 1976
- Amine enriched solid sorbents for carbon dioxide capture132US 6,547,854 B1The United States of America as represented by the United States Department of Energy · 2003
- Sorbent system and method for absorbing carbon dioxide (CO2) from the atmosphere of a closed habitable environment129US 6,364,938 B1Hamilton Sundstrand Corporation · 2002