- All sections
- C - Chemistry; metallurgy
- C11D - Detergent compositions; use of single substances as detergents; soap or soap-making; resin soaps; recovery of glycerol
- C11D 3/40 - Dyes
Patent holdings for IPC class C11D 3/40
Total number of patents in this class: 870
10-year publication summary
|
58
|
38
|
61
|
72
|
74
|
35
|
40
|
23
|
26
|
25
|
| 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 |
206 |
| Unilever PLC | 3540 |
99 |
| Unilever N.V. | 3440 |
99 |
| Conopco, Inc. | 4644 |
74 |
| Hindustan Unilever Limited | 1281 |
56 |
| Milliken & Company | 1253 |
56 |
| Henkel AG & Co. KGaA | 10129 |
44 |
| Unilever Global IP Limited | 1949 |
30 |
| Unilever IP Holdings B.V. | 3021 |
16 |
| Kinnos Inc. | 35 |
10 |
| Ecolab USA Inc. | 5190 |
9 |
| Hindustan Lever Limited | 226 |
8 |
| Henkel IP & Holding GmbH | 684 |
7 |
| Kimberly-clark Worldwide, Inc. | 5854 |
6 |
| BASF SE | 19740 |
5 |
| Colgate-Palmolive Company | 5325 |
5 |
| Kao Corporation | 4843 |
4 |
| Kleancheck Systems, LLC | 10 |
4 |
| Reckitt Benckiser (Brands) Limited | 254 |
4 |
| Reckitt Benckiser N.V. | 216 |
4 |
| Other owners | 124 |