C01B 39/02
Crystalline aluminosilicate zeolites
Official title: Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
C01B39/02 (Crystalline aluminosilicate zeolites) appears on 2,551 US grants and 2,262 published applications in this corpus.
Search patents in C01B- Granted patents
- 2,551
- Published applications
- 2,262
- Assignees
- 670
- Inventors
- 3,965
- 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 | 22 | 0 |
| 1985 | 39 | 0 |
| 1986 | 38 | 0 |
| 1987 | 36 | 0 |
| 1988 | 11 | 0 |
| 1989 | 36 | 0 |
| 1990 | 44 | 0 |
| 1991 | 35 | 0 |
| 1992 | 50 | 0 |
| 1993 | 52 | 0 |
| 1994 | 43 | 0 |
| 1995 | 40 | 0 |
| 1996 | 31 | 0 |
| 1997 | 35 | 0 |
| 1998 | 22 | 0 |
| 1999 | 50 | 0 |
| 2000 | 48 | 0 |
| 2001 | 29 | 21 |
| 2002 | 48 | 38 |
| 2003 | 59 | 40 |
| 2004 | 50 | 52 |
| 2005 | 34 | 54 |
| 2006 | 46 | 48 |
| 2007 | 16 | 50 |
| 2008 | 25 | 52 |
| 2009 | 31 | 44 |
| 2010 | 41 | 55 |
| 2011 | 46 | 87 |
| 2012 | 46 | 67 |
| 2013 | 66 | 95 |
| 2014 | 74 | 77 |
| 2015 | 61 | 142 |
| 2016 | 92 | 146 |
| 2017 | 125 | 118 |
| 2018 | 112 | 146 |
| 2019 | 166 | 136 |
| 2020 | 145 | 140 |
| 2021 | 138 | 111 |
| 2022 | 69 | 119 |
| 2023 | 75 | 130 |
| 2024 | 88 | 129 |
| 2025 | 81 | 96 |
| 2026 | 54 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01B 39/46Other types characterised by their x-ray diffraction pattern and their defined composition1,250
- C01B 39/026After-treatment627
- C01B 39/06Preparation of isomorphous zeolites characterised by measures to replace the aluminium or573
- C01B 39/36Pentasil type396
- C01B 39/04Using at least one organic template directing agent304
- C01B 39/20Faujasite type237
- C01B 39/023Preparation of physical mixtures or intergrowth products of zeolites chosen from group94
- C01B 39/26Mordenite type79
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