C04B 41/5089
Silica sols, alkyl, ammonium or alkali metal silicate cements
Official title: {Silica sols, alkyl, ammonium or alkali metal silicate cements}
C04B41/5089 (Silica sols, alkyl, ammonium or alkali metal silicate cements) appears on 232 US grants and 213 published applications in this corpus.
Search patents in C04B- Granted patents
- 232
- Published applications
- 213
- Assignees
- 144
- Inventors
- 471
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 3 |
| 2003 | 5 | 4 |
| 2004 | 4 | 7 |
| 2005 | 1 | 6 |
| 2006 | 2 | 9 |
| 2007 | 1 | 5 |
| 2008 | 5 | 8 |
| 2009 | 6 | 15 |
| 2010 | 6 | 11 |
| 2011 | 3 | 15 |
| 2012 | 8 | 10 |
| 2013 | 8 | 10 |
| 2014 | 10 | 12 |
| 2015 | 14 | 19 |
| 2016 | 12 | 10 |
| 2017 | 15 | 7 |
| 2018 | 7 | 10 |
| 2019 | 7 | 4 |
| 2020 | 6 | 6 |
| 2021 | 3 | 7 |
| 2022 | 4 | 13 |
| 2023 | 7 | 4 |
| 2024 | 5 | 9 |
| 2025 | 9 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic cement mixture and ceramic honeycomb with ceramic cement skin13 Jan 2026US 12,522,545 B2Corning Incorporated
- Latent heat storage gypsum board and partition structure9 Dec 2025US 12,492,330 B2Yoshino Gypsum Co., Ltd.
- Refractory foam23 Sep 2025US 12,421,172 B2ZYP Coatings, Inc.
- Refractory foam23 Sep 2025US 12,421,173 B2ZYP Coatings, Inc.
- Modified calcium silicate board and surface treatment method and application thereof29 Jul 2025US 12,371,390 B2Jiangsu Longing New Material Technology Co., Ltd
- Treatment of contaminated concrete13 Aug 2026US 2026/0234071 A1Ki Strategies Pty Ltd
- 1,3-propanediol carrier compositions and methods of use thereof4 Jun 2026US 2026/0151930 A1Primient Covation LLC
- Ceramic cement mixture and ceramic honeycomb with ceramic cement skin9 Apr 2026US 2026/0097997 A1Corning Incorporated
- Dental Opaquer Composition14 Aug 2025US 2025/0255784 A1
- Method for protection against oxidation of a composite material part comprising carbon14 Aug 2025US 2025/0257774 A1Centrale Lille Institut
Most cited
By later US patents
- Glazing layer-forming composition for hot-coating of furnace refractories and method of forming glazing layer84US 6,096,432 AAsahi Chemical Co., Ltd. · 2000
- Process for preparing a water repellent silica sol78US 5,651,921 AIdemitsu Kosan Co., Ltd. · 1997
- Filter for the separating of solids particles from hot, gaseous or liquid media76US 4,979,969 AHerding GmbH · 1990
- Carbonaceous articles having oxidation prohibitive coatings thereon72US 4,567,103 AUnion Carbide Corporation · 1986
- Room temperature curable surface coating and methods of producing and applying same62US 5,164,003 ACeram Tech International, Ltd. · 1992