C01B 39/00
Compounds having molecular sieve and base-exchange properties
Official title: Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination (treatment to modify the sorption properties, e.g. shaping using a binder, B01J20/10; treatment to modify the catalytic properties, e.g. combination of treatments to make the zeolites appropriate to their use as a catalyst, B01J29/04; treatment to improve the ion-exchange properties B01J39/14)
C01B39/00 (Compounds having molecular sieve and base-exchange properties) appears on 2,819 US grants and 2,529 published applications in this corpus.
Search patents in C01B- Granted patents
- 2,819
- Published applications
- 2,529
- Assignees
- 728
- Inventors
- 4,339
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 10 | 0 |
| 1980 | 9 | 0 |
| 1981 | 21 | 0 |
| 1982 | 11 | 0 |
| 1983 | 20 | 0 |
| 1984 | 23 | 0 |
| 1985 | 42 | 0 |
| 1986 | 40 | 0 |
| 1987 | 36 | 0 |
| 1988 | 13 | 0 |
| 1989 | 38 | 0 |
| 1990 | 48 | 0 |
| 1991 | 36 | 0 |
| 1992 | 64 | 0 |
| 1993 | 66 | 0 |
| 1994 | 49 | 0 |
| 1995 | 42 | 0 |
| 1996 | 36 | 0 |
| 1997 | 39 | 0 |
| 1998 | 24 | 0 |
| 1999 | 53 | 0 |
| 2000 | 48 | 0 |
| 2001 | 36 | 24 |
| 2002 | 50 | 40 |
| 2003 | 62 | 43 |
| 2004 | 54 | 58 |
| 2005 | 38 | 60 |
| 2006 | 48 | 59 |
| 2007 | 19 | 58 |
| 2008 | 32 | 54 |
| 2009 | 38 | 52 |
| 2010 | 47 | 74 |
| 2011 | 53 | 97 |
| 2012 | 53 | 73 |
| 2013 | 78 | 117 |
| 2014 | 93 | 105 |
| 2015 | 72 | 156 |
| 2016 | 103 | 160 |
| 2017 | 134 | 140 |
| 2018 | 123 | 158 |
| 2019 | 181 | 152 |
| 2020 | 163 | 153 |
| 2021 | 143 | 120 |
| 2022 | 81 | 128 |
| 2023 | 82 | 134 |
| 2024 | 93 | 139 |
| 2025 | 86 | 102 |
| 2026 | 58 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hierarchical porous ZSM-5 molecular sieve, preparation method therefor, HZSM-5 molecular sieve prepared therefrom, and use of molecular sieve22 Sep 2026US 12,741,877 B2SSI New Material (Zhenjiang) Co., Ltd.
- Modified zeolites that include titanium atoms bonded to bridging oxygen atoms and methods for making such22 Sep 2026US 12,741,878 B2King Abdullah University of Science and Technology
- Silicon-aluminum zeolite SCM-36, manufacturing method therefor and application thereof22 Sep 2026US 12,741,879 B2China Petroleum & Chemical Corporation
- GIS-type zeolite15 Sep 2026US 12,735,323 B2Asahi Kasei Kabushiki Kaisha
- Zeolite membrane complex, method of producing zeolite membrane complex, separator, membrane reactor, and separation method8 Sep 2026US 12,728,392 B2NGK Insulators, Ltd.
- Method for synthesizing zeolite nanoparticles in a saline phosphate buffer and associated nanoparticles, suspensions, pharmaceutical composition and uses8 Oct 2026US 2026/0306532 A1Centre National De La Recherche Scientifique
- Preparation of meso-y-zeolite with large mesopores1 Oct 2026US 2026/0295568 A1Chevron U.S.A.Inc.
- Aluminum-containing molecular sieves of ton framework type and methods of making and use1 Oct 2026US 2026/0296903 A1ExxonMobil Technology and Engineering Company
- Cha framework zeolite materials synthesized using oxidized disulfide oil1 Oct 2026US 2026/0296904 A1Saudi Arabian Oil Company
- Methods for forming zeolite-y10 Sep 2026US 2026/0264066 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Composition of synthetic porous crystalline material, its synthesis and use352US 4,954,325 AMobil Oil Corporation · 1990
- Crystalline zeolite ZSM-23 and synthesis thereof332US 4,076,842 AMobil Oil Corporation · 1978
- Crystalline aluminosilicate PSH-3 and its process of preparation322US 4,439,409 ABayer Aktiengesellschaft · 1984
- Crystalline zeolite and method of preparing same308US 4,016,245 AMobil Oil Corporation · 1977
- Zeolite SSZ-25272US 4,826,667 AChevron Research Company · 1989