- All sections
- C - Chemistrymetallurgy
- C11D - Detergent compositionsuse of single substances as detergentssoap or soap-makingresin soapsrecovery of glycerol
- C11D 3/42 - Brightening agents
Patent holdings for IPC class C11D 3/42
Total number of patents in this class: 532
10-year publication summary
|
46
|
40
|
87
|
75
|
31
|
20
|
18
|
24
|
17
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22017 |
199 |
| Milliken & Company | 1201 |
83 |
| Unilever PLC | 3195 |
39 |
| Unilever N.V. | 3103 |
39 |
| Henkel AG & Co. KGaA | 10572 |
35 |
| Conopco, Inc. | 5023 |
34 |
| Hindustan Unilever Limited | 1176 |
18 |
| Novozymes A/S | 3318 |
5 |
| Ecolab USA Inc. | 5480 |
5 |
| Henkel IP & Holding GmbH | 567 |
5 |
| Ciba Holding Inc. | 177 |
4 |
| Kleancheck Systems, LLC | 10 |
4 |
| Procter & Gamble International Operations SA | 147 |
3 |
| Henkel Kommanditgesellschaft auf Aktien | 99 |
3 |
| Unilever Global IP Limited | 2007 |
3 |
| BASF SE | 20933 |
2 |
| Boxiecat, LLC | 40 |
2 |
| Eurotab | 32 |
2 |
| Galaxy Surfactants Ltd. | 45 |
2 |
| Holmen AB | 45 |
2 |
| Other owners | 43 |