- All sections
- C - Chemistry; metallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials
- C03C 25/321 - Starch; Starch derivatives
Patent holdings for IPC class C03C 25/321
Total number of patents in this class: 80
10-year publication summary
0
|
3
|
8
|
16
|
10
|
20
|
7
|
4
|
15
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saint-Gobain Isover | 603 |
15 |
Rockwool A/S | 753 |
11 |
Johns Manville | 980 |
10 |
Knauf Insulation, Inc. | 185 |
8 |
Knauf Insulation SPRL | 167 |
8 |
Saint-Gobain Adfors | 111 |
6 |
ROCKWOOL International A/S | 323 |
5 |
Cargill, Incorporated | 2835 |
4 |
Ursa Insulation, S.A. | 28 |
3 |
Shin-Etsu Quartz Products Co., Ltd. | 160 |
2 |
STM Technologies S.r.l. | 12 |
2 |
USG Interiors, LLC | 324 |
2 |
Heraeus Quarzglas GmbH & Co. KG | 420 |
1 |
Leibniz-institut fur Polymerforschung Dresden e.V. | 73 |
1 |
Les Produits Industriels de Haute Temperature Pyrotek Inc. | 10 |
1 |
United States Gypsum Company | 1019 |
1 |
Other owners | 0 |