- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 17/06 - Calcium compounds, e.g. lime
Patent holdings for IPC class C09K 17/06
Total number of patents in this class: 69
10-year publication summary
|
6
|
6
|
8
|
9
|
2
|
4
|
6
|
5
|
1
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denka Company Limited | 2189 |
4 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
4 |
| Kao Corporation | 4843 |
3 |
| Omya International AG | 816 |
3 |
| Taiheiyo Cement Corporation | 237 |
3 |
| Waseda University | 416 |
3 |
| Yoshino Gypsum Co., Ltd. | 224 |
3 |
| TOA Corporation | 130 |
2 |
| Azmec Co., Ltd. | 4 |
2 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Dow Global Technologies LLC | 10147 |
1 |
| CARBO Ceramics Inc. | 248 |
1 |
| Chemical Grouting Co., Ltd. | 5 |
1 |
| ENTACT, LLC | 3 |
1 |
| Enviro Water Minerals Company, Inc. | 24 |
1 |
| Fuji Chemical Co., Ltd. | 33 |
1 |
| Grain Processing Corporation | 98 |
1 |
| Harsco Corporation | 56 |
1 |
| Holcim Technology Ltd. | 868 |
1 |
| Impermeable AS | 2 |
1 |
| Other owners | 31 |