- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 22/06 - OxidesHydroxides
Patent holdings for IPC class C04B 22/06
Total number of patents in this class: 680
10-year publication summary
|
27
|
56
|
45
|
53
|
40
|
65
|
69
|
66
|
80
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2561 |
36 |
| Halliburton Energy Services, Inc. | 20835 |
24 |
| Sika Technology AG | 2855 |
17 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 630 |
14 |
| Schlumberger Technology Corporation | 10662 |
11 |
| Hilti Aktiengesellschaft | 3489 |
11 |
| CarbonCure Technologies Inc. | 85 |
10 |
| Taiheiyo Cement Corporation | 236 |
10 |
| Schlumberger Canada Limited | 7273 |
9 |
| Construction Research & Technology GmbH | 643 |
8 |
| Holcim Technology Ltd. | 986 |
7 |
| S.A. Lhoist Recherche et Developpement | 172 |
7 |
| Saudi Arabian Oil Company | 12947 |
7 |
| Schlumberger Technology B.v. | 5161 |
6 |
| The Catholic University of America | 97 |
6 |
| Services Petroliers Schlumberger | 5772 |
6 |
| The University of Tokyo | 4168 |
6 |
| GCP Applied Technologies Inc. | 466 |
5 |
| Knauf Gips KG | 592 |
5 |
| Nissan Chemical Corporation | 2000 |
5 |
| Other owners | 470 |