- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/64 - Aluminium
Patent holdings for IPC class C09C 1/64
Total number of patents in this class: 261
10-year publication summary
|
18
|
21
|
24
|
15
|
19
|
22
|
16
|
14
|
15
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 323 |
59 |
| Toyo Aluminium Kabushiki Kaisha | 355 |
26 |
| Viavi Solutions Inc. | 1427 |
13 |
| Schlenk Metallic Pigments GmbH | 46 |
11 |
| Asahi Kasei Kabushiki Kaisha | 2640 |
9 |
| BASF Coatings GmbH | 1195 |
9 |
| Seiko Epson Corporation | 19281 |
7 |
| Sun Chemical Corporation | 839 |
7 |
| DIC Corporation | 3759 |
6 |
| BASF SE | 20803 |
5 |
| ECKART America Corporation | 30 |
5 |
| Landa Labs (2012) Ltd. | 134 |
4 |
| Sun Chemical B.V. | 359 |
4 |
| TIGER Coatings GmbH & Co. KG | 127 |
4 |
| Merck Patent GmbH | 5850 |
3 |
| Asahi Kasei Chemicals Corporation | 684 |
3 |
| Cqv Co., Ltd. | 69 |
3 |
| 3m Innovative Properties Company | 17855 |
2 |
| Toyota Motor Corporation | 31565 |
2 |
| Centre National de La Recherche Scientifique | 10350 |
2 |
| Other owners | 77 |