Patent holdings for IPC class C01F 7/56

Total number of patents in this class: 134

10-year publication summary

12
7
11
2
3
3
9
11
9
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Colgate-Palmolive Company
5733
11
Usalco, LLC
42
8
Conopco, Inc.
5137
6
Lava Blue Ltd
8
6
Unilever PLC
2973
4
Unilever N.V.
2887
4
Board of Regents, The University of Texas System
6187
4
Alcoa of Australia Limited
42
4
Lanxess Deutschland GmbH
1152
4
Orbite Aluminae Inc.
14
4
C-koe Metals, L.P.
4
4
AEM Canada Group Inc.
13
4
E. I. du Pont de Nemours and Company
3439
3
California Institute of Technology
4044
3
Easymining Sweden AB
73
3
Brimstone Energy Inc.
24
3
Eth Zurich
1333
2
Gulbrandsen Technologies, Inc.
9
2
Keystone Metals Recovery Inc.
3
2
Norsk Hydro ASA
245
2
Other owners 51