C01B 33/22
Magnesium silicates
C01B33/22 (Magnesium silicates) appears on 110 US grants and 111 published applications in this corpus.
Search patents in C01B- Granted patents
- 110
- Published applications
- 111
- Assignees
- 107
- Inventors
- 335
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 5 | 5 |
| 2011 | 0 | 3 |
| 2012 | 3 | 0 |
| 2013 | 2 | 4 |
| 2014 | 1 | 5 |
| 2015 | 0 | 5 |
| 2016 | 3 | 3 |
| 2017 | 5 | 8 |
| 2018 | 4 | 8 |
| 2019 | 6 | 8 |
| 2020 | 6 | 6 |
| 2021 | 8 | 8 |
| 2022 | 7 | 10 |
| 2023 | 5 | 8 |
| 2024 | 5 | 8 |
| 2025 | 5 | 11 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inorganic structure and method for producing same16 Dec 2025US 12,497,332 B2Panasonic Intellectual Property Management Co., Ltd.
- Collector composition25 Nov 2025US 12,478,982 B2BASF SE
- Process for making synthetic minerals18 Nov 2025US 12,473,204 B2
- Negative electrode active material for non-aqueous electrolyte secondary battery and manufacturing method thereof4 Nov 2025US 12,463,198 B2Daejoo Electronic Materials Co., Ltd.
- Silicon oxide composite for lithium secondary battery anode material and method for manufacturing same30 Sep 2025US 12,431,491 B2Daejoo Electronic Materials Co., Ltd.
- Talc powder, agent for improving properties of resin, and resin composition9 Jul 2026US 2026/0193090 A1Haysahi Kasei Co., Ltd
- Anode material, preparation method thereof and secondary battery12 Feb 2026US 2026/0045498 A1Btr New Material Group Co., Ltd.
- Luggage item or luggage accessory27 Nov 2025US 2025/0361150 A1
- Methods and processes for the use of calcium- and magnesium-bearing oxides, hydroxides, and silicates; calcium- and magnesium-bearing aqueous streams to capture, convert, and store carbon dioxide and produce hydrogen20 Nov 2025US 2025/0353740 A1Cornell University
- Methods for low energy inorganic material synthesis25 Sep 2025US 2025/0296843 A1Rutgers, The State University of New Jersey
Most cited
By later US patents
- Novel amorphous silica, and products thereof36US 4,230,765 AKabushiki Kaisha Osaka Packing Seizosho · 1980
- Cooking oil treating system and composition therefor30US 4,112,129 AJohns Manville · 1978
- Layered tetraalkyl phosphonium clays28US 4,053,493 AExxon Research & Engineering Co. · 1977
- Method for synthesizing crystalline magnesium silicates from geothermal brine28US 6,761,865 B1Union Oil Company of California · 2004
- Substituted tetraalkyl phosphonium aluminosilicates26US 4,136,103 AExxon Research & Engineering Co. · 1979