- All sections
- C - Chemistry; metallurgy
- C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare earth metals
- C01F 5/40 - Magnesium sulfates
Patent holdings for IPC class C01F 5/40
Total number of patents in this class: 71
10-year publication summary
6
|
15
|
7
|
6
|
6
|
5
|
4
|
8
|
7
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ube Material Industries, Ltd. | 99 |
9 |
FRS Group, LLC | 42 |
7 |
K+S Aktiengesellschaft | 93 |
5 |
Avertana Limited | 12 |
5 |
Graymont Western US Inc. | 6 |
2 |
Intercontinental Potash Corporation | 2 |
2 |
Korea Maritime University Industry-Academic Cooperation Foundation | 57 |
2 |
Vale S.A. | 262 |
2 |
Pylote | 21 |
2 |
Amateq Holding GmbH | 8 |
2 |
Fortum Battery Recycling Oy | 3 |
2 |
Alliance Magnesium | 14 |
1 |
BHP Billiton SSM Development Pty Ltd. | 30 |
1 |
Cargill, Incorporated | 2835 |
1 |
Carmeuse Lime, Inc. | 38 |
1 |
citizen Watch Co., Ltd. | 1062 |
1 |
Council of Scientific & Industrial Research | 1397 |
1 |
Iogen Energy Corporation | 100 |
1 |
Kyowa Chemical Industry Co., Ltd. | 72 |
1 |
Raytheon BBN Technologies Corp. | 407 |
1 |
Other owners | 22 |