- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 23/02 - Halides of titanium
Patent holdings for IPC class C01G 23/02
Total number of patents in this class: 106
10-year publication summary
|
5
|
5
|
9
|
2
|
1
|
5
|
2
|
5
|
10
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kronos International, Inc. | 116 |
10 |
| E. I. du Pont de Nemours and Company | 3439 |
8 |
| Toho Titanium Co., Ltd. | 269 |
8 |
| The Chemours Company Fc, LLC | 1357 |
6 |
| Tronox LLC | 144 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
4 |
| Alcoa USA Corp. | 204 |
3 |
| Borealis AG | 2734 |
3 |
| Keystone Metals Recovery Inc. | 3 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4148 |
3 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 84 |
3 |
| AEM Canada Group Inc. | 13 |
3 |
| The Regents of the University of Michigan | 5063 |
2 |
| Breton SpA | 124 |
2 |
| Hazen Research, Inc. | 5 |
2 |
| Monolith Co., Ltd. | 6 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9252 |
1 |
| GM Global Technology Operations LLC | 16255 |
1 |
| Tokyo Electron Limited | 13987 |
1 |
| NGK Insulators, Ltd. | 5168 |
1 |
| Other owners | 35 |