B01J 20/18
Synthetic zeolitic molecular sieves
B01J20/18 (Synthetic zeolitic molecular sieves) appears on 1,764 US grants and 1,853 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,764
- Published applications
- 1,853
- Assignees
- 896
- Inventors
- 4,366
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 14 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 13 | 0 |
| 1982 | 15 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 14 | 0 |
| 1986 | 16 | 0 |
| 1987 | 19 | 0 |
| 1988 | 15 | 0 |
| 1989 | 12 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 31 | 0 |
| 1993 | 25 | 0 |
| 1994 | 22 | 0 |
| 1995 | 19 | 0 |
| 1996 | 25 | 0 |
| 1997 | 17 | 0 |
| 1998 | 21 | 0 |
| 1999 | 30 | 0 |
| 2000 | 38 | 0 |
| 2001 | 35 | 14 |
| 2002 | 45 | 45 |
| 2003 | 49 | 40 |
| 2004 | 33 | 45 |
| 2005 | 20 | 47 |
| 2006 | 32 | 51 |
| 2007 | 20 | 46 |
| 2008 | 27 | 49 |
| 2009 | 37 | 71 |
| 2010 | 39 | 83 |
| 2011 | 45 | 70 |
| 2012 | 47 | 77 |
| 2013 | 71 | 81 |
| 2014 | 72 | 72 |
| 2015 | 50 | 102 |
| 2016 | 76 | 100 |
| 2017 | 71 | 95 |
| 2018 | 72 | 103 |
| 2019 | 97 | 85 |
| 2020 | 91 | 91 |
| 2021 | 53 | 76 |
| 2022 | 41 | 100 |
| 2023 | 61 | 99 |
| 2024 | 60 | 73 |
| 2025 | 68 | 88 |
| 2026 | 30 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- GIS-type zeolite15 Sep 2026US 12,735,323 B2Asahi Kasei Kabushiki Kaisha
- 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
- Nanoporous pure silica zeolites25 Aug 2026US 12,714,980 B2University of Puerto Rico
- Adsorbent material, adsorption system, and adsorption process25 Aug 2026US 12,714,985 B2Air Products and Chemicals, Inc.
- Adsorbent bed with increased hydrothermal stability4 Aug 2026US 12,697,578 B2BASF SE
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- Self-Adhering Sorbent Panels1 Oct 2026US 2026/0296927 A1Water Harvesting, Inc.
- Gas adsorption sheet for secondary battery with cover film24 Sep 2026US 2026/0284568 A1Nitto Denko Corporation
- Multi-filter device for hoffmann compounds in gaseous media10 Sep 2026US 2026/0262711 A1Compania Industrial De Tabacos Monte Paz S.A.
- Methods for removal of sulfur dioxide (so2) from trifluoroacetyl chloride (tfac)3 Sep 2026US 2026/0257984 A1Solstice Advanced Materials US, Inc.
Most cited
By later US patents
- Crystalline silicoaluminophosphates925US 4,440,871 AUnion Carbide Corporation · 1984
- Titanium-containing molecular sieves201US 4,500,651 AUnion Carbide Corporation · 1985
- System and method for sequestration and separation of mercury in combustion exhaust gas aqueous scrubber systems182US 7,722,843 B12010
- Adsorbent compositions173US 4,474,896 AUnion Carbide Corporation · 1984
- Simultaneous removal of mercury and water from fluids167US 4,892,567 AMobil Oil Corporation · 1990