Patent holdings for IPC class C11D 3/20

Total number of patents in this class: 4546

10-year publication summary

301
332
367
282
280
310
325
285
322
305
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
The Procter & Gamble Company
21999
627
Henkel AG & Co. KGaA
10645
345
Ecolab USA Inc.
5587
327
Conopco, Inc.
5005
271
Unilever Global IP Limited
2051
145
Unilever IP Holdings B.V.
3116
140
Kao Corporation
5001
136
BASF SE
21072
116
Unilever PLC
3139
103
Unilever N.V.
3048
103
Colgate-Palmolive Company
5758
89
S. C. Johnson & Son, Inc.
2738
53
Symrise AG
1755
53
Novozymes A/S
3335
45
Rohm and Haas Company
2923
43
Lion Corporation
743
42
Dow Global Technologies LLC
10518
37
FUJIFILM Corporation
29797
35
Firmenich SA
1709
31
Hindustan Unilever Limited
1133
30
Other owners 1775