C01B 37/00
Compounds having molecular sieve properties but not having base-exchange properties
C01B37/00 (Compounds having molecular sieve properties but not having base-exchange properties) appears on 1,090 US grants and 898 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,090
- Published applications
- 898
- Assignees
- 420
- Inventors
- 2,032
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 12 | 0 |
| 1987 | 22 | 0 |
| 1988 | 16 | 0 |
| 1989 | 21 | 0 |
| 1990 | 21 | 0 |
| 1991 | 15 | 0 |
| 1992 | 33 | 0 |
| 1993 | 30 | 0 |
| 1994 | 30 | 0 |
| 1995 | 11 | 0 |
| 1996 | 16 | 0 |
| 1997 | 27 | 0 |
| 1998 | 18 | 0 |
| 1999 | 33 | 0 |
| 2000 | 27 | 0 |
| 2001 | 28 | 12 |
| 2002 | 25 | 28 |
| 2003 | 41 | 47 |
| 2004 | 34 | 44 |
| 2005 | 31 | 62 |
| 2006 | 51 | 38 |
| 2007 | 13 | 41 |
| 2008 | 26 | 36 |
| 2009 | 21 | 32 |
| 2010 | 32 | 50 |
| 2011 | 33 | 52 |
| 2012 | 21 | 31 |
| 2013 | 43 | 44 |
| 2014 | 33 | 39 |
| 2015 | 27 | 40 |
| 2016 | 33 | 38 |
| 2017 | 28 | 30 |
| 2018 | 31 | 35 |
| 2019 | 46 | 40 |
| 2020 | 37 | 24 |
| 2021 | 20 | 26 |
| 2022 | 15 | 42 |
| 2023 | 16 | 14 |
| 2024 | 19 | 25 |
| 2025 | 14 | 19 |
| 2026 | 8 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01B 37/02Crystalline silica-polymorphs536
- C01B 37/06Aluminophosphates containing other elements279
- C01B 37/005Silicates, i.e. so-called metallosilicalites or metallozeosilites232
- C01B 37/04Aluminophosphates [apo compounds]86
- C01B 37/007Borosilicates54
- C01B 37/002Metallophosphates not containing aluminium33
Recent patents
- Fe—N—C catalyst, method of preparation and uses thereof16 Jun 2026US 12,655,526 B2Gaznat SA
- Extra-large pore molecular sieve ZEO-1, its synthesis and use19 May 2026US 12,630,434 B2Jilin Jinobel Science and Technology Innovation Co., Ltd.
- Molecular sieve CIT-16P, its synthesis, transformation and use28 Apr 2026US 12,611,660 B2California Institute of Technology
- Preparation method of alkali metal ion modified titanium silicalite zeolite for gas phase epoxidation of propylene and hydrogen peroxide14 Apr 2026US 12,599,899 B2Dalian Qiyuan Technology Co., Ltd.
- Spherical titanium silicalite molecular sieve catalyst and preparation method therefor31 Mar 2026US 12,589,383 B2Shanghai Huayi New Material Co., Ltd
- Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof8 Oct 2026US 2026/0307047 A1NuMat Technologies, Inc.
- Catalyst for baeyer-villiger oxidation reaction comprising hierarchically nanoporous zeolite and method of preparing the same27 Aug 2026US 2026/0249280 A1Korea Gas Technology Corporation
- Silicalite-1 crystals and process for synthesis thereof6 Aug 2026US 2026/0225902 A1Arkema France
- Hierarchical porous all-silica molecular sieve and its preparation method and application25 Jun 2026US 2026/0175205 A1China Petroleum & Chemical Corporation
- Titanium silicalite molecular sieve with hierarchical porous structure and its preparation and application18 Jun 2026US 2026/0166536 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Crystalline silicoaluminophosphates925US 4,440,871 AUnion Carbide Corporation · 1984
- Crystalline metallophosphate compositions556US 4,310,440 AUnion Carbide Corporation · 1982
- Crystalline silica263US 4,061,724 AUnion Carbide Corporation · 1977
- Preparation of porous crystalline synthetic material comprised of silicon and titanium oxides256US 4,410,501 ASNAMPROGETTI S.p. A. · 1983
- Molecularly-imprinted material made by template-directed synthesis251US 6,310,110 B12001