C01B 23/0068
Zeolites
Official title: {Zeolites}
C01B23/0068 (Zeolites) appears on 25 US grants and 26 published applications in this corpus.
Search patents in C01B- Granted patents
- 25
- Published applications
- 26
- Assignees
- 15
- Inventors
- 92
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 0 |
| 2014 | 3 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of recycling helium from waste gas in semiconductor process1 Sep 2026US 12,722,973 B2Samsung Electronics Co., Ltd.
- Separation of krypton gas from xenon gas using natural clinoptilolite23 Sep 2025US 12,421,115 B1National Technology & Engineering Solutions of Sandia, LLC
- Gas purification method and device13 May 2025US 12,297,107 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Gas recovery method21 Jan 2025US 12,201,936 B2Gas Recovery and Recycle Limited
- RHO adsorbent compositions, methods of making and using them12 May 2020US 10,646,848 B2Air Products and Chemicals, Inc.
- Method for obtaining xenon using a molecular sieve20 Aug 2026US 2026/0242223 A1Linde Aktiengesellschaft
- Waste gas treatment device, waste gas treatment method, and waste gas adsorption and recovery system including the same2 Oct 2025US 2025/0304445 A1Research Institute of Industrial Science & Technology
- Method of recycling helium from waste gas in semiconductor process17 Apr 2025US 2025/0122079 A1Samsung Electronics Co., Ltd.
- Gas purification method and device19 Jan 2023US 2023/0019514 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Gas recovery method20 Jan 2022US 2022/0016568 A1Gas Recovery and Recycle Limited
Most cited
By later US patents
- Recovering of xenon by adsorption process50US 8,535,414 B2Air Products and Chemicals, Inc. · 2013
- Process for purification of argon from oxygen35US 3,996,028 A1976
- Process for purifying inert fluids by adsorption on LSX zeolite30US 6,083,301 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2000
- Process for the preparation of molecular sieve adsorbent for selective adsorption of nitrogen and argon22US 6,572,838 B1Council of Scientific and Industrial Research · 2003
- Production of carbon monoxide-free hydrogen and helium from a high-purity source19US 7,452,407 B2Air Products and Chemicals, Inc. · 2008