C01B 33/32
Alkali metal silicates
Official title: Alkali metal silicates ({C01B33/24} , C01B33/26 take precedence)
C01B33/32 (Alkali metal silicates) appears on 265 US grants and 309 published applications in this corpus.
Search patents in C01B- Granted patents
- 265
- Published applications
- 309
- Assignees
- 211
- Inventors
- 799
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 10 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 3 | 5 |
| 2008 | 2 | 4 |
| 2009 | 2 | 10 |
| 2010 | 1 | 3 |
| 2011 | 8 | 11 |
| 2012 | 4 | 7 |
| 2013 | 4 | 10 |
| 2014 | 3 | 20 |
| 2015 | 8 | 9 |
| 2016 | 15 | 8 |
| 2017 | 4 | 11 |
| 2018 | 9 | 18 |
| 2019 | 12 | 24 |
| 2020 | 12 | 21 |
| 2021 | 14 | 15 |
| 2022 | 13 | 19 |
| 2023 | 20 | 22 |
| 2024 | 17 | 28 |
| 2025 | 12 | 43 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Curable composition containing rice husk ash biosilica toughened epoxy resin30 Jun 2026US 12,668,682 B2Najran University
- Lithium-supplementing additive, preparation method and application thereof2 Jun 2026US 12,643,798 B2Shenzhen Dynanonic Innovazone New Energy Technology Co., Ltd.
- Production of silicate solutions and their uses19 May 2026US 12,630,433 B2Total Alchemy Solutions, LLC
- Process for the preparation of up-conversion phosphors14 Apr 2026US 12,600,905 B2Evonik Operations GmbH
- 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.
- 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
- Spherical calcium silicate10 Sep 2026US 2026/0265069 A1Evonik Operations GmbH
- Method of recycling silicon components3 Sep 2026US 2026/0257925 A1Flaxtec GmbH
Most cited
By later US patents
- Lithium silicate glass ceramic69US 7,452,836 B2Ivoclar Vivadent AG · 2008
- Lithium silicate glass ceramic55US 7,867,930 B2Ivoclar Vivadent AG · 2011
- Lithium silicate glass ceramic54US 7,871,948 B2Ivoclar Vivadent AG · 2011
- Lithium silicate materials49US 7,993,137 B2Ivoclar Vivadent AG · 2011
- Lithium silicate glass ceramic48US 7,867,933 B2Ivoclar Vivadent AG · 2011