Patent holdings for IPC class C01F 5/22

Total number of patents in this class: 86

10-year publication summary

5
5
2
2
3
5
11
4
11
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Kyowa Chemical Industry Co., Ltd.
66
7
Tateho Chemical Industries Co., Ltd.
62
6
The Regents of the University of California
20960
4
Konoshima Chemical Co., Ltd.
68
4
SETOLAS Holdings, Inc.
109
4
Aqua Resources Corporation
9
3
Joint Stock Company Kaustik
15
3
Sea Water Chemical Institute, Inc.
9
3
Graymont Western US Inc.
4
2
M. Technique Co., Ltd.
253
2
Carbonfree Chemicals Holdings, LLC
37
2
Abengoa Water S.L.
10
2
Schweizer Salinen AG
17
2
Brimstone Energy Inc.
24
2
JSC MCC EuroChem
2
2
BASF SE
21334
1
Mitsubishi Heavy Industries, Ltd.
9252
1
Battelle Memorial Institute
2617
1
Beijing University of Chemical Technology
335
1
Brinemag Pty Ltd
2
1
Other owners 33