C04B 14/066
Precipitated or pyrogenic silica
Official title: {Precipitated or pyrogenic silica}
C04B14/066 (Precipitated or pyrogenic silica) appears on 16 US grants and 23 published applications in this corpus.
Search patents in C04B- Granted patents
- 16
- Published applications
- 23
- Assignees
- 14
- Inventors
- 58
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 2 | 1 |
| 2017 | 1 | 6 |
| 2018 | 1 | 1 |
| 2019 | 1 | 3 |
| 2020 | 0 | 2 |
| 2021 | 2 | 1 |
| 2022 | 5 | 1 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Foundry articles for metal working applications, methods of making such foundry articles, and particulate refractory compositions for use in such methods15 Apr 2025US 12,275,059 B2ImerTech SAS
- Concrete admixture3 Sep 2024US 12,077,472 B2Sika Technology AG
- Method of manufacturing gypsum board with improved fire resistance9 Jul 2024US 12,031,328 B2Gold Bond Building Products, LLC
- High temperature resistant Portland cement slurry and production method thereof4 Apr 2023US 11,618,844 B2China National Petroleum Corporation
- Method for producing hydrophobic heat insulation material30 Aug 2022US 11,427,506 B2Evonik Operations GmbH
- Hydraulic composition for ultra-high performance concrete and ultra-high performance grout8 Oct 2026US 2026/0308054 A1Sika Technology AG
- Method of Manufacturing Gypsum Board with Improved Fire Resistance19 Sep 2024US 2024/0309639 A1Gold Bond Building Products, LLC
- Method of Manufacturing Gypsum Board with Improved Fire Resistance8 Sep 2022US 2022/0282484 A1Gold Bond Building Products, LLC
- Concrete admixture30 Sep 2021US 2021/0300823 A1Sika Technology AG
- Foundry articles for metal working applications, methods of making such foundry articles, and particulate refractory compositions for use in such methods10 Dec 2020US 2020/0384527 A1ImerTech SAS
Most cited
By later US patents
- Method for producing hydrophobic heat insulation material2US 11,427,506 B2Evonik Operations GmbH · 2022
- Method of manufacturing gypsum board with improved fire1US 11,339,572 B1Gold Bond Building Products, LLC · 2022
- Defoaming compositions and processes for cementing applications1US 9,475,975 B2Kemira Oyj · 2016
- Coating agents for producing permanently flexible coatings1US 9,522,845 B2Wacker Chemie AG · 2016
- Treated fillers, compositions containing same, and articles prepared therefrom1US 9,688,784 B2PPG Industries Ohio, Inc. · 2017