Patent holdings for IPC class C01B 13/28

Total number of patents in this class: 6

10-year publication summary

0
0
0
0
0
2
0
1
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hpq Silica Polvere Inc.
3
2
PPG Industries Ohio, Inc.
3328
1
Nalux Co., Ltd.
181
1
Politecnico di Milano
902
1
Tohoku University
3044
1
Other owners 0