Patent holdings for IPC class C01D 3/26

Total number of patents in this class: 34

10-year publication summary

0
6
2
3
3
1
0
1
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
K+S Aktiengesellschaft
91
13
Akzo Nobel Chemicals International B.V.
426
9
Nouryon Chemicals International B.V.
649
4
Compass Minerals America Inc.
98
2
Frito-Lay Trading Company GmbH
248
2
Akzo Nobel Chemicals International B.V.
3
2
Natural Alternatives, LLC
11
1
North American Salt Company
7
1
Other owners 0