- All sections
- C - Chemistrymetallurgy
- C09C - Treatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling propertiespreparation of carbon black
- C09C 1/66 - Copper alloys, e.g. bronze
Patent holdings for IPC class C09C 1/66
Total number of patents in this class: 33
10-year publication summary
|
2
|
5
|
4
|
2
|
2
|
2
|
0
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECKART GmbH | 328 |
17 |
| Viavi Solutions Inc. | 1403 |
4 |
| Merck Patent GmbH | 5873 |
1 |
| BYK-Chemie GmbH | 444 |
1 |
| Chamber Works, LLC | 12 |
1 |
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | 361 |
1 |
| Dexerials Corporation | 1929 |
1 |
| DIC Corporation | 3698 |
1 |
| Ishihara Chemical Co., Ltd. | 64 |
1 |
| Kuraray Co., Ltd. | 3477 |
1 |
| SG Ventures Pty Limited | 4 |
1 |
| Shantou Longhua Pearl Lustre Pigments Co., Ltd. | 3 |
1 |
| Tatsuta Electric Wire & Cable Co., Ltd. | 394 |
1 |
| Ropal AG | 2 |
1 |
| Other owners | 0 |