- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 14/20 - Mica; Vermiculite
Patent holdings for IPC class C04B 14/20
Total number of patents in this class: 108
10-year publication summary
|
4
|
5
|
13
|
11
|
13
|
12
|
8
|
2
|
11
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nichiha Corporation | 186 |
7 |
| ECKART GmbH | 331 |
4 |
| Eternit N.V. | 31 |
4 |
| United States Gypsum Company | 1019 |
4 |
| Georgia-Pacific Gypsum LLC | 204 |
3 |
| Geopolymer Solutions, LLC | 16 |
3 |
| Henry Company, LLC | 206 |
3 |
| Synfola GmbH | 7 |
3 |
| Etex Services NV | 50 |
3 |
| Merck Patent GmbH | 5909 |
2 |
| BASF Corporation | 2039 |
2 |
| Flexitallic Investments, Inc. | 93 |
2 |
| Sika Technology AG | 2650 |
2 |
| Unifrax I LLC | 239 |
2 |
| Yoshino Gypsum Co., Ltd. | 224 |
2 |
| Flying Pig Coatings, LLC | 9 |
2 |
| Bovia, Inc. | 2 |
2 |
| Kao Corporation | 4843 |
1 |
| Rohm and Haas Company | 2805 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| Other owners | 55 |