- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 14/20 - MicaVermiculite
Patent holdings for IPC class C04B 14/20
Total number of patents in this class: 117
10-year publication summary
|
13
|
11
|
13
|
12
|
9
|
2
|
13
|
6
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichiha Corporation | 168 |
5 |
| Eternit N.V. | 39 |
4 |
| Knauf Gips KG | 642 |
4 |
| United States Gypsum Company | 927 |
4 |
| Georgia-Pacific Gypsum LLC | 225 |
3 |
| ECKART GmbH | 312 |
3 |
| Geopolymer Solutions, LLC | 16 |
3 |
| Henry Company, LLC | 244 |
3 |
| Synfola GmbH | 7 |
3 |
| Etex Services NV | 60 |
3 |
| Gold Bond Building Products, LLC | 195 |
3 |
| BASF Corporation | 1681 |
2 |
| JSR Corporation | 2554 |
2 |
| Flexitallic Investments, Inc. | 89 |
2 |
| Sika Technology AG | 3004 |
2 |
| Unifrax I LLC | 246 |
2 |
| Yoshino Gypsum Co., Ltd. | 264 |
2 |
| Flying Pig Coatings, LLC | 3 |
2 |
| Bovia, Inc. | 2 |
2 |
| 3m Innovative Properties Company | 17478 |
1 |
| Other owners | 62 |