Patent holdings for IPC class C11D 3/28

Total number of patents in this class: 430

10-year publication summary

28
34
29
27
35
37
40
25
35
28
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Henkel AG & Co. KGaA
10636
54
The Procter & Gamble Company
21996
43
FUJIFILM Corporation
29713
15
Conopco, Inc.
5005
14
Ecolab USA Inc.
5544
14
BASF SE
21036
11
FUJIFILM Electronic Materials U.S.A., Inc.
335
11
Entegris, Inc.
1901
9
Kao Corporation
4981
8
Dow Global Technologies LLC
10459
8
Unilever IP Holdings B.V.
3098
8
Unilever Global IP Limited
2038
8
Unilever PLC
3162
7
Unilever N.V.
3072
7
Clariant International Ltd.
930
6
DONGWOO FINE-CHEM Co., Ltd.
1369
6
Symrise AG
1749
6
Tokyo Ohka Kogyo Co., Ltd.
1551
6
American Sterilizer Company
670
5
Versum Materials US, LLC
653
5
Other owners 179