Patent holdings for IPC class C01F 7/56

Total number of patents in this class: 121

10-year publication summary

14
12
7
11
2
3
3
8
9
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Colgate-Palmolive Company
5814
11
Usalco, LLC
37
10
Conopco, Inc.
5017
6
Alcoa of Australia Limited
49
5
Unilever PLC
3207
4
Unilever N.V.
3114
4
Orbite Aluminae Inc.
14
4
AEM Canada Group Inc.
13
4
E. I. du Pont de Nemours and Company
4089
3
California Institute of Technology
3972
3
Board of Regents, The University of Texas System
5782
3
Easymining Sweden AB
62
3
C-koe Metals, L.P.
3
3
Brimstone Energy Inc.
18
3
Eth Zurich
1273
2
Gulbrandsen Technologies, Inc.
7
2
Keystone Metals Recovery Inc.
4
2
Lanxess Deutschland GmbH
1120
2
Norsk Hydro ASA
260
2
Polar Sapphire Ltd.
10
2
Other owners 43