- 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: 526
10-year publication summary
|
40
|
87
|
75
|
31
|
20
|
18
|
24
|
19
|
15
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21880 |
198 |
| Milliken & Company | 1149 |
85 |
| Unilever PLC | 2980 |
37 |
| Unilever N.V. | 2894 |
37 |
| Conopco, Inc. | 5107 |
36 |
| Henkel AG & Co. KGaA | 10774 |
34 |
| Hindustan Unilever Limited | 986 |
16 |
| Novozymes A/S | 3393 |
5 |
| Ecolab USA Inc. | 5826 |
5 |
| Henkel IP & Holding GmbH | 557 |
5 |
| Thomas Swan & Co. Ltd. | 34 |
4 |
| Unilever Global IP Limited | 2190 |
4 |
| Procter & Gamble International Operations SA | 135 |
3 |
| Unilever IP Holdings B.V. | 2765 |
3 |
| BASF SE | 21328 |
2 |
| Boxiecat, LLC | 54 |
2 |
| Eurotab | 31 |
2 |
| Galaxy Surfactants Ltd. | 49 |
2 |
| Kleancheck Systems, LLC | 4 |
2 |
| Value Smart Products, Inc. | 12 |
2 |
| Other owners | 42 |