- All sections
- C - Chemistry; metallurgy
- C11D - Detergent compositions; use of single substances as detergents; soap or soap-making; resin soaps; recovery of glycerol
- C11D 3/42 - Brightening agents
Patent holdings for IPC class C11D 3/42
Total number of patents in this class: 538
10-year publication summary
|
69
|
46
|
40
|
87
|
75
|
31
|
20
|
18
|
24
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22178 |
202 |
| Milliken & Company | 1253 |
82 |
| Unilever PLC | 3540 |
44 |
| Unilever N.V. | 3440 |
44 |
| Conopco, Inc. | 4644 |
33 |
| Henkel AG & Co. KGaA | 10129 |
33 |
| Hindustan Unilever Limited | 1281 |
18 |
| Ecolab USA Inc. | 5190 |
5 |
| Henkel IP & Holding GmbH | 684 |
5 |
| Hindustan Lever Limited | 226 |
5 |
| Novozymes A/S | 3314 |
4 |
| Ciba Holding Inc. | 177 |
4 |
| Kleancheck Systems, LLC | 10 |
4 |
| Procter & Gamble International Operations SA | 168 |
3 |
| Henkel Kommanditgesellschaft auf Aktien | 373 |
3 |
| BASF SE | 19740 |
2 |
| Ciba Specialty Chemicals Holding Inc. | 211 |
2 |
| The Clorox Company | 973 |
2 |
| Eurotab | 35 |
2 |
| Galaxy Surfactants Ltd. | 38 |
2 |
| Other owners | 39 |