- 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 24/42 - Compounds having one or more carbon-to-silicon linkages
Patent holdings for IPC class C04B 24/42
Total number of patents in this class: 241
10-year publication summary
|
20
|
13
|
24
|
10
|
24
|
24
|
26
|
26
|
27
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2091 |
23 |
| Dow Silicones Corporation | 1664 |
11 |
| Halliburton Energy Services, Inc. | 20165 |
10 |
| Evonik Degussa GmbH | 1574 |
9 |
| Dow Corning Corporation | 1072 |
9 |
| United States Gypsum Company | 1019 |
7 |
| Evonik Operations GmbH | 3879 |
7 |
| Knauf Gips KG | 534 |
6 |
| Hilti Aktiengesellschaft | 3227 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Sika Technology AG | 2650 |
4 |
| Yoshino Gypsum Co., Ltd. | 224 |
4 |
| Etex Building Performance International SAS | 61 |
4 |
| Qingdao University of Technology | 555 |
4 |
| Dow Toray Co., Ltd. | 494 |
4 |
| BASF SE | 19740 |
3 |
| Georgia-Pacific Gypsum LLC | 204 |
3 |
| Akzo Nobel N.V. | 240 |
3 |
| GCP Applied Technologies Inc. | 451 |
3 |
| Mitsubishi Materials Corporation | 2378 |
3 |
| Other owners | 116 |