C01B 33/1543
Using ion exchangers
Official title: {using ion exchangers}
C01B33/1543 (Using ion exchangers) appears on 4 US grants and 4 published applications in this corpus.
Search patents in C01B- Granted patents
- 4
- Published applications
- 4
- Assignees
- 4
- Inventors
- 20
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing aerogels and aerogels obtained using said method5 Aug 2025US 12,378,128 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Organically modified aerogels, processes for their preparation by surface modification of the aqueous gel, without prior solvent exchange, and subsequent drying, and their use30 Dec 2008US 7,470,725 B2Cabot Corporation
- Process for preparing aerogels2 Jun 1998US 5,759,506 AHoechst Aktiengesellschaft
- Process for the preparation of xerogels15 Jul 1997US 5,647,962 AHoechst Aktiengesellschaft
- Optically-transparent, thermally-insulating nanoporous coatings and monoliths15 Aug 2024US 2024/0271480 A1The Regents of the University of California
- Method for producing aerogels and aerogels obtained using said method13 Jan 2022US 2022/0009786 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Optically-transparent, thermally-insulating nanoporous coatings and monoliths8 Jul 2021US 2021/0207428 A1The Regents of the University of California
- Organically modified aerogels, processes for their preparation by surface modification of the aqueous gel, without prior solvent exchange, and subsequent drying, and thier use25 Oct 2001US 2001/0034375 A1Cabot Corporation
Most cited
By later US patents
- Organically modified aerogels, processes for their preparation by surface modification of the aqueous gel, without prior solvent exchange, and subsequent drying, and their use32US 7,470,725 B2Cabot Corporation · 2008
- Process for the preparation of xerogels26US 5,647,962 AHoechst Aktiengesellschaft · 1997
- Process for preparing aerogels14US 5,759,506 AHoechst Aktiengesellschaft · 1998