B01J 20/186
Chemical treatments in view of modifying the properties of the sieve
Official title: {Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity}
B01J20/186 (Chemical treatments in view of modifying the properties of the sieve) appears on 564 US grants and 531 published applications in this corpus.
Search patents in B01J- Granted patents
- 564
- Published applications
- 531
- Assignees
- 302
- Inventors
- 1,383
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 6 |
| 2002 | 18 | 14 |
| 2003 | 20 | 9 |
| 2004 | 7 | 11 |
| 2005 | 6 | 15 |
| 2006 | 9 | 15 |
| 2007 | 9 | 18 |
| 2008 | 9 | 14 |
| 2009 | 14 | 25 |
| 2010 | 13 | 31 |
| 2011 | 12 | 19 |
| 2012 | 18 | 27 |
| 2013 | 25 | 27 |
| 2014 | 29 | 24 |
| 2015 | 15 | 27 |
| 2016 | 24 | 23 |
| 2017 | 18 | 21 |
| 2018 | 20 | 32 |
| 2019 | 19 | 19 |
| 2020 | 22 | 19 |
| 2021 | 15 | 19 |
| 2022 | 10 | 27 |
| 2023 | 14 | 32 |
| 2024 | 13 | 20 |
| 2025 | 27 | 24 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silicate material ZEO-2 and silicate molecular sieve ZEO-3 and synthesis method therefor and use thereof8 Sep 2026US 12,729,126 B2Jilin Province Jnobel Sci-Tech Innovation Co., Ltd
- GIS-type zeolite formed body, adsorption apparatus, separation method, and GIS-type zeolite16 Jun 2026US 12,654,149 B2Asahi Kasei Kabushiki Kaisha
- Molecular sieve SSZ-117x with high acidity21 Apr 2026US 12,606,449 B2Chevron U. S. A. Inc.
- Sorbent for removing radon, production method for same, and radon removal method using same17 Feb 2026US 12,551,862 B2Postech Research and Business Development Foundation
- Methods for removing iodate from aqueous solutions17 Feb 2026US 12,555,696 B2The Catholic University of America
- Purification of electrolytic hydrogen13 Aug 2026US 2026/0233146 A1
- Zeolitic adsorbent for high productivity xylene separation30 Jul 2026US 2026/0216691 A1
- System and process for removal of toxic chemicals from vegetable oils16 Jul 2026US 2026/0201269 A1Vulcan Photonics Sdn. Bhd.
- Adsorption-based system and method for claus tail gas treatment9 Jul 2026US 2026/0192244 A1Saudi Arabian Oil Company
- Zeolite, production method thereof, hydrocarbon adsorbent and exhaust gas purifying catalyst25 Jun 2026US 2026/0175209 A1Mitsui Mining & Smelting Co., Ltd.
Most cited
By later US patents
- Titanium-containing molecular sieves201US 4,500,651 AUnion Carbide Corporation · 1985
- Adsorbent compositions173US 4,474,896 AUnion Carbide Corporation · 1984
- Simultaneous removal of mercury and water from fluids167US 4,892,567 AMobil Oil Corporation · 1990
- Selective adsorption on magnesium-containing clinoptilolites106US 4,964,889 AUop LLC · 1990
- Nitrogen adsorption with a Ca and/or Sr exchanged lithium X-zeolite87US 5,152,813 AAir Products and Chemicals, Inc. · 1992