- All sections
- C - Chemistrymetallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
- C03C 1/04 - Opacifiers, e.g. fluorides or phosphatesPigments
Patent holdings for IPC class C03C 1/04
Total number of patents in this class: 50
10-year publication summary
|
4
|
3
|
4
|
2
|
6
|
8
|
9
|
2
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10327 |
5 |
| Ferro Corporation | 237 |
5 |
| Aidite (Qinhuangdao) Technology Co., Ltd. | 85 |
3 |
| CDGM Glass Co., Ltd | 139 |
2 |
| Eurokera S.N.C. | 152 |
2 |
| Heraeus Quarzglas GmbH & Co. KG | 408 |
2 |
| Patent Applied Technology | 8 |
2 |
| Zgrit Limited | 2 |
2 |
| Merck Patent GmbH | 5773 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5015 |
1 |
| AS America, Inc. | 1036 |
1 |
| Council of Scientific and Industrial Research | 601 |
1 |
| Fuyao Glass Industry Group Co., Ltd. | 278 |
1 |
| Ivoclar Vivadent AG | 1050 |
1 |
| Jensen Industries Incorporated | 30 |
1 |
| Luca Toncelli | 4 |
1 |
| Orbital Systems AB | 84 |
1 |
| Oregon State University | 390 |
1 |
| Owens-Brockway Glass Container Inc. | 771 |
1 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 491 |
1 |
| Other owners | 15 |