- 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: 92
10-year publication summary
3
|
8
|
16
|
11
|
20
|
7
|
4
|
15
|
13
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saint-Gobain Isover | 633 |
16 |
Rockwool A/S | 781 |
14 |
Knauf Insulation SPRL | 173 |
12 |
Knauf Insulation, Inc. | 191 |
11 |
Johns Manville | 954 |
10 |
Saint-Gobain Adfors | 118 |
6 |
Cargill, Incorporated | 2885 |
5 |
ROCKWOOL International A/S | 307 |
5 |
Ursa Insulation, S.A. | 31 |
3 |
Shin-Etsu Quartz Products Co., Ltd. | 147 |
2 |
STM Technologies S.r.l. | 15 |
2 |
USG Interiors, LLC | 309 |
2 |
Heraeus Quarzglas GmbH & Co. KG | 409 |
1 |
Leibniz-institut fur Polymerforschung Dresden e.V. | 75 |
1 |
Les Produits Industriels de Haute Temperature Pyrotek Inc. | 10 |
1 |
United States Gypsum Company | 913 |
1 |
Other owners | 0 |