C04B 2235/3418
Silicon oxide, silicic acids or oxide forming salts thereof
Official title: Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
C04B2235/3418 (Silicon oxide, silicic acids or oxide forming salts thereof) appears on 2,940 US grants and 3,757 published applications in this corpus.
Search patents in C04B- Granted patents
- 2,940
- Published applications
- 3,757
- Assignees
- 1,242
- Inventors
- 6,765
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 13 | 0 |
| 1991 | 15 | 0 |
| 1992 | 18 | 0 |
| 1993 | 14 | 0 |
| 1994 | 19 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 14 | 0 |
| 1999 | 29 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 9 |
| 2002 | 31 | 35 |
| 2003 | 42 | 128 |
| 2004 | 73 | 128 |
| 2005 | 59 | 136 |
| 2006 | 86 | 165 |
| 2007 | 80 | 139 |
| 2008 | 72 | 163 |
| 2009 | 88 | 212 |
| 2010 | 120 | 191 |
| 2011 | 141 | 178 |
| 2012 | 137 | 160 |
| 2013 | 159 | 159 |
| 2014 | 117 | 147 |
| 2015 | 135 | 151 |
| 2016 | 140 | 166 |
| 2017 | 136 | 135 |
| 2018 | 113 | 148 |
| 2019 | 122 | 167 |
| 2020 | 111 | 158 |
| 2021 | 110 | 172 |
| 2022 | 133 | 167 |
| 2023 | 137 | 175 |
| 2024 | 120 | 152 |
| 2025 | 124 | 127 |
| 2026 | 91 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Refractory compound and binder therefor, method for the production and use thereof6 Oct 2026US 12,757,552 B2Intocast AG
- Environmental barrier coating29 Sep 2026US 12,747,192 B2Rtx Corporation
- Dielectric ceramic composition and multilayer ceramic electronic device22 Sep 2026US 12,741,911 B2Taiyo Yuden Co., Ltd.
- Synthetic mineral composition, a method of forming a synthetic mineral composition and uses of a synthetic mineral composition15 Sep 2026US 12,735,360 B2Sibelco Nederland N.V.
- Production of aerogel thermal insulation sheet by central injection approach15 Sep 2026US 12,735,364 B1Taiwan Aerogel Technology Material Co., Ltd.
- Method for preparing porous ceramic with uniform micro-nano pores8 Oct 2026US 2026/0308066 A1Central South University
- Environmental barrier coating8 Oct 2026US 2026/0308075 A1Rtx Corporation
- High Purity SiOC and SiC, Methods Compositions and Applications1 Oct 2026US 2026/0296898 A1Pallidus, Inc.
- Dielectric ceramic composition and multilayer ceramic electronic device1 Oct 2026US 2026/0296979 A1TDK Corporation
- Ceramic component1 Oct 2026US 2026/0302068 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Method for manufacturing a porous ceramic scaffold having an organic/inorganic hybrid coating layer containing a bioactive factor777US 8,734,831 B2Snu R&Db Foundation · 2014
- Combinatorial synthesis of novel materials365US 5,985,356 ASymyx Technologies, Inc. · 1999
- Giant magnetoresistive cobalt oxide compounds218US 5,776,359 ASymyx Technologies, Inc. · 1998
- Ceramic structural body188US 5,914,187 AIbiden Co., Ltd. · 1999
- Lithium ion-conductive solid electrolyte containing lithium titanium phosphate169US 4,985,317 AJapan Synthetic Rubber Co., Ltd. · 1991