B01J 20/165
Natural alumino-silicates
Official title: {Natural alumino-silicates, e.g. zeolites}
B01J20/165 (Natural alumino-silicates) appears on 186 US grants and 271 published applications in this corpus.
Search patents in B01J- Granted patents
- 186
- Published applications
- 271
- Assignees
- 221
- Inventors
- 693
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 4 | 6 |
| 2004 | 3 | 3 |
| 2005 | 1 | 7 |
| 2006 | 3 | 6 |
| 2007 | 1 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 6 |
| 2010 | 4 | 5 |
| 2011 | 2 | 7 |
| 2012 | 4 | 13 |
| 2013 | 8 | 18 |
| 2014 | 8 | 6 |
| 2015 | 6 | 14 |
| 2016 | 9 | 12 |
| 2017 | 10 | 14 |
| 2018 | 10 | 15 |
| 2019 | 9 | 15 |
| 2020 | 13 | 17 |
| 2021 | 8 | 17 |
| 2022 | 11 | 14 |
| 2023 | 13 | 29 |
| 2024 | 8 | 14 |
| 2025 | 17 | 15 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- M-xylene adsorbent and preparation method therefor6 Oct 2026US 12,752,253 B2China Petroleum & Chemical Corporation
- Adsorbent bed with increased hydrothermal stability4 Aug 2026US 12,697,578 B2BASF SE
- Adsorbent material for removing nitrogen oxides from indoor or cabin air2 Jun 2026US 12,643,068 B2BASF SE
- Method of purifying methyl fluoride by removing dimethyl ether26 May 2026US 12,636,633 B2South 8 Technologies, Inc.
- Compositions and methods for eliminating scent12 May 2026US 12,623,202 B1Camo Dust Inc.
- Self-Adhering Sorbent Panels1 Oct 2026US 2026/0296927 A1Water Harvesting, Inc.
- Processes for reducing environmental availability of environmental pollutants6 Aug 2026US 2026/0225068 A1Albemarle Corporation
- Porous scaffold for solid desiccant30 Jul 2026US 2026/0216694 A1Carrier Corporation
- Stormwater Waste Decanting Process Utilizing Clinoptilolite Zeolite Powder and Granules for Faster and more Efficient Liquid Separation and Toxin Encapsulation30 Jul 2026US 2026/0217585 A1Agrinutrient, LLC
- Adsorption-based system and method for claus tail gas treatment9 Jul 2026US 2026/0192244 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Microporous filter media, filtration systems containing same, and methods of making and using114US 6,630,016 B2Koslow Technologies Corporation · 2003
- Regenerable supported amine-polyol sorbent97US 5,376,614 AUnited Technologies Corporation · 1994
- Composite adsorbent beads for adsorption process91US 6,284,021 B1The BOC Group, Inc. · 2001
- Regenerable supported amine-polyol sorbent80US 5,492,683 AUnited Technologies Corporation · 1996
- Process for forming a regenerable supported amine-polyol sorbent76US 5,620,940 AUnited Technologies Corporation · 1997