- 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: 114
10-year publication summary
|
5
|
11
|
11
|
11
|
12
|
9
|
2
|
12
|
6
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichiha Corporation | 176 |
5 |
| Eternit N.V. | 33 |
4 |
| Knauf Gips KG | 618 |
4 |
| United States Gypsum Company | 903 |
4 |
| Georgia-Pacific Gypsum LLC | 219 |
3 |
| ECKART GmbH | 318 |
3 |
| Geopolymer Solutions, LLC | 16 |
3 |
| Henry Company, LLC | 232 |
3 |
| Synfola GmbH | 7 |
3 |
| Etex Services NV | 60 |
3 |
| Gold Bond Building Products, LLC | 207 |
3 |
| BASF Corporation | 1709 |
2 |
| JSR Corporation | 2543 |
2 |
| Flexitallic Investments, Inc. | 87 |
2 |
| Sika Technology AG | 2916 |
2 |
| Unifrax I LLC | 242 |
2 |
| Yoshino Gypsum Co., Ltd. | 255 |
2 |
| Flying Pig Coatings, LLC | 4 |
2 |
| Bovia, Inc. | 2 |
2 |
| Susonity Commercial GmbH | 209 |
2 |
| Other owners | 58 |