Patent holdings for IPC class C01F 11/44

Total number of patents in this class: 10

10-year publication summary

3
0
0
0
2
1
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Yara International ASA
881
8
Siemens AG
24189
1
Nippon Chemical Industrial Co., Ltd.
295
1
Other owners 0