Patent holdings for IPC class C11D 1/52

Total number of patents in this class: 211

10-year publication summary

9
9
13
6
10
7
12
5
23
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Conopco, Inc.
5088
17
Unilever IP Holdings B.V.
2759
16
Unilever Global IP Limited
2189
16
Ecolab USA Inc.
5803
14
Unilever PLC
2997
9
Unilever N.V.
2911
9
Clariant International Ltd.
891
9
Stepan Company
566
8
The Procter & Gamble Company
21849
7
Cognis IP Management GmbH
546
7
Kao Corporation
5076
6
Clariant Finance (BVI) Limited
359
6
Hindustan Unilever Limited
1002
5
BASF SE
21308
4
Nouryon Chemicals International B.V.
645
4
Advansix Resins & Chemicals LLC
307
3
The Penn State Research Foundation
1611
3
Reckitt Benckiser Finish B.V.
580
3
Colgate-Palmolive Company
5746
2
Henkel AG & Co. KGaA
10762
2
Other owners 61