- 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 24/12 - Nitrogen containing compounds
Patent holdings for IPC class C04B 24/12
Total number of patents in this class: 437
10-year publication summary
|
21
|
31
|
33
|
42
|
52
|
36
|
32
|
46
|
36
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GCP Applied Technologies Inc. | 451 |
30 |
| Kao Corporation | 4843 |
25 |
| Sika Technology AG | 2650 |
23 |
| Saudi Arabian Oil Company | 11322 |
21 |
| Yoshino Gypsum Co., Ltd. | 224 |
18 |
| Construction Research & Technology GmbH | 640 |
16 |
| Halliburton Energy Services, Inc. | 20165 |
14 |
| Chryso | 112 |
13 |
| Takemoto Yushi Kabushiki Kaisha | 166 |
10 |
| Nippon Shokubai Co., Ltd. | 1487 |
9 |
| BASF SE | 19740 |
6 |
| Hilti Aktiengesellschaft | 3227 |
6 |
| BioMason, Inc. | 41 |
6 |
| Evonik Degussa GmbH | 1574 |
5 |
| United States Gypsum Company | 1019 |
5 |
| Denka Company Limited | 2189 |
4 |
| Heraeus Deutschland GmbH & Co. KG | 643 |
4 |
| Holcim Technology Ltd. | 868 |
4 |
| Huntsman Petrochemical LLC | 276 |
4 |
| Lotte Fine Chemical Co., Ltd. | 100 |
4 |
| Other owners | 210 |