- 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 25/321 - StarchStarch derivatives
Patent holdings for IPC class C03C 25/321
Total number of patents in this class: 112
10-year publication summary
|
8
|
16
|
11
|
22
|
7
|
4
|
16
|
14
|
14
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rockwool A/S | 842 |
24 |
| Saint-Gobain Isover | 682 |
18 |
| Knauf Insulation SPRL | 169 |
12 |
| Johns Manville | 922 |
11 |
| Knauf Insulation, Inc. | 183 |
11 |
| Cargill, Incorporated | 2963 |
6 |
| Saint-Gobain Adfors | 128 |
6 |
| USG Interiors, LLC | 315 |
5 |
| ROCKWOOL International A/S | 276 |
5 |
| STM Technologies S.r.l. | 17 |
3 |
| Ursa Insulation, S.A. | 31 |
3 |
| Shin-Etsu Quartz Products Co., Ltd. | 144 |
2 |
| Borregaard AS | 127 |
1 |
| Heraeus Quarzglas GmbH & Co. KG | 417 |
1 |
| Leibniz-institut fur Polymerforschung Dresden e.V. | 72 |
1 |
| Les Produits Industriels de Haute Temperature Pyrotek Inc. | 11 |
1 |
| United States Gypsum Company | 938 |
1 |
| Electric Glass Fiber America, LLC | 60 |
1 |
| Other owners | 0 |