- Sections
- C - Chimiemétallurgie
- C01B - Éléments non métalliquesleurs composés
- C01B 33/12 - SiliceSes hydrates, p. ex. acide silicique lépidoïque
Détention brevets de la classe C01B 33/12
Brevets de cette classe: 1130
Historique des publications depuis 10 ans
|
67
|
51
|
75
|
60
|
79
|
76
|
70
|
54
|
45
|
58
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Evonik Operations GmbH | 4181 |
34 |
| Rhodia Operations | 1554 |
22 |
| JGC Catalysts and Chemicals Ltd. | 256 |
20 |
| Agc, Inc. | 5036 |
16 |
| Versum Materials US, LLC | 655 |
12 |
| Sumitomo Chemical Company, Limited | 9105 |
11 |
| Shin-Etsu Chemical Co., Ltd. | 5807 |
11 |
| Samsung SDI Co., Ltd. | 8922 |
10 |
| DIC Corporation | 3858 |
10 |
| Evonik Degussa GmbH | 1455 |
9 |
| Denka Company Limited | 2659 |
9 |
| Saudi Arabian Oil Company | 13716 |
9 |
| Tokuyama Corporation | 1435 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
8 |
| AGC Si-Tech Co., Ltd. | 66 |
8 |
| J.M. Huber Corporation | 121 |
8 |
| Nippon Sheet Glass Company, Limited | 978 |
8 |
| BASF SE | 21137 |
7 |
| The Regents of the University of California | 20315 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
7 |
| Autres propriétaires | 895 |