C01B 33/20
Silicates
Official title: Silicates (persilicates C01B15/14 {; containing aluminium C01B33/26})
C01B33/20 (Silicates) appears on 1,717 US grants and 1,273 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,717
- Published applications
- 1,273
- Assignees
- 935
- Inventors
- 4,025
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 46 | 0 |
| 1977 | 30 | 0 |
| 1978 | 33 | 0 |
| 1979 | 23 | 0 |
| 1980 | 33 | 0 |
| 1981 | 40 | 0 |
| 1982 | 35 | 0 |
| 1983 | 40 | 0 |
| 1984 | 33 | 0 |
| 1985 | 41 | 0 |
| 1986 | 35 | 0 |
| 1987 | 41 | 0 |
| 1988 | 26 | 0 |
| 1989 | 45 | 0 |
| 1990 | 28 | 0 |
| 1991 | 32 | 0 |
| 1992 | 45 | 0 |
| 1993 | 43 | 0 |
| 1994 | 38 | 0 |
| 1995 | 30 | 0 |
| 1996 | 28 | 0 |
| 1997 | 22 | 0 |
| 1998 | 41 | 0 |
| 1999 | 24 | 0 |
| 2000 | 33 | 0 |
| 2001 | 33 | 8 |
| 2002 | 26 | 15 |
| 2003 | 17 | 20 |
| 2004 | 19 | 33 |
| 2005 | 12 | 26 |
| 2006 | 22 | 44 |
| 2007 | 12 | 38 |
| 2008 | 18 | 31 |
| 2009 | 25 | 39 |
| 2010 | 24 | 55 |
| 2011 | 31 | 44 |
| 2012 | 27 | 36 |
| 2013 | 23 | 42 |
| 2014 | 32 | 67 |
| 2015 | 33 | 42 |
| 2016 | 38 | 45 |
| 2017 | 36 | 47 |
| 2018 | 33 | 69 |
| 2019 | 51 | 67 |
| 2020 | 49 | 64 |
| 2021 | 50 | 79 |
| 2022 | 55 | 75 |
| 2023 | 54 | 70 |
| 2024 | 56 | 82 |
| 2025 | 46 | 96 |
| 2026 | 30 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anode material, preparation method thereof and lithium ion battery6 Oct 2026US 12,753,081 B2Btr New Material Group Co., Ltd.
- Multifunctional fluorescent polymer-clay composite tracers22 Sep 2026US 12,742,381 B2Saudi Arabian Oil Company
- Lithium-doped silicon-based negative electrode active material, method of producing the same, method of post-treating the same, and negative electrode and secondary battery including the same15 Sep 2026US 12,738,494 B2SK On Co., Ltd.
- Composite structure and semiconductor manufacturing apparatus including composite structure8 Sep 2026US 12,729,124 B2Toto Ltd.
- Curable composition containing rice husk ash biosilica toughened epoxy resin30 Jun 2026US 12,668,682 B2Najran University
- Lime and hydraulic cement manufacture by electrolysis using hyaloclastite or lava, carbon mineralization by hyaloclastite or lava electrolysis and method of making and using same8 Oct 2026US 2026/0308006 A1Greencraft LLC
- Lithium-doped silicon-based negative electrode active material, method of producing the same, method of post-treating the same, and negative electrode and secondary battery including the same8 Oct 2026US 2026/0312045 A1SK On Co., Ltd.
- Montmorillonite desiccant and preparation method thereof17 Sep 2026US 2026/0273504 A1Foshan Shunde Topcod Industry Co., Ltd.
- Method of producing alkali metal silicate with reduced metal levels17 Sep 2026US 2026/0274693 A1Evonik Operations GmbH
- Bio-based curable epoxy composition17 Sep 2026US 2026/0275083 A1Najran University
Most cited
By later US patents
- Zeolite SSZ-25272US 4,826,667 AChevron Research Company · 1989
- Synthetic layered MCM-56, its synthesis and use228US 5,362,697 AMobil Oil Corporation · 1994
- Composite material containing a layered silicate205US 4,889,885 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1989
- Lithium ion-conductive solid electrolyte containing lithium titanium phosphate169US 4,985,317 AJapan Synthetic Rubber Co., Ltd. · 1991
- Intercalates and exfoliates formed with oligomers and polymers and composite materials containing same162US 5,552,469 AAMCOL International Corporation · 1996