- Sections
- C - Chimie; métallurgie
- C01B - Chimie inorganique éléments non métalliques; leurs composés
- C01B 32/28 - Post-traitement, p.ex. purification, irradiation, séparation ou récupération
Détention brevets de la classe C01B 32/28
Brevets de cette classe: 231
Historique des publications depuis 10 ans
|
6
|
6
|
12
|
21
|
17
|
33
|
27
|
39
|
35
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Daicel Corporation | 2128 |
56 |
| Schlumberger Technology Corporation | 9690 |
7 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
6 |
| Element Six Technologies Limited | 179 |
5 |
| Kyoto University | 2732 |
5 |
| US Synthetic Corporation | 601 |
5 |
| Schlumberger Canada Limited | 6913 |
4 |
| Schlumberger Technology B.v. | 4951 |
4 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Carbodeon Ltd Oy | 28 |
4 |
| Services Petroliers Schlumberger | 5426 |
4 |
| The University of Warwick | 242 |
4 |
| Element Six (UK) Limited | 178 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
3 |
| The Regents of the University of California | 18943 |
3 |
| Applied Materials, Inc. | 16587 |
3 |
| Diamond Innovations, Inc. | 241 |
3 |
| Kyushu Institute of Technology | 319 |
3 |
| IIA Technologies Pte. Ltd. | 15 |
3 |
| S.W. Chemicals Co. Ltd. | 3 |
3 |
| Autres propriétaires | 98 |