- Sections
- C - Chimie; métallurgie
- C01B - Chimie inorganique éléments non métalliques; leurs composés
- C01B 33/12 - Silice; Ses hydrates, p.ex. acide silicique lépidoïque
Détention brevets de la classe C01B 33/12
Brevets de cette classe: 1097
Historique des publications depuis 10 ans
|
93
|
72
|
53
|
81
|
68
|
85
|
79
|
72
|
56
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Evonik Operations GmbH | 3879 |
39 |
| Rhodia Operations | 1645 |
21 |
| JGC Catalysts and Chemicals Ltd. | 238 |
19 |
| J.M. Huber Corporation | 155 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
11 |
| Versum Materials US, LLC | 591 |
11 |
| Agc, Inc. | 4029 |
11 |
| Sumitomo Chemical Company, Limited | 8808 |
10 |
| DIC Corporation | 3597 |
10 |
| Tokuyama Corporation | 1248 |
10 |
| Evonik Degussa GmbH | 1574 |
9 |
| Samsung SDI Co., Ltd. | 6671 |
9 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
9 |
| Nippon Sheet Glass Company, Limited | 992 |
9 |
| President and Fellows of Harvard College | 5792 |
8 |
| Cabot Corporation | 575 |
8 |
| Nissan Chemical Industries, Ltd. | 1822 |
8 |
| Saudi Arabian Oil Company | 11322 |
8 |
| BASF SE | 19740 |
7 |
| The Regents of the University of California | 18943 |
7 |
| Autres propriétaires | 856 |