- All sections
- C - Chemistrymetallurgy
- C11D - Detergent compositionsuse of single substances as detergentssoap or soap-makingresin soapsrecovery of glycerol
- C11D 1/22 - Sulfonic acids or sulfuric acid estersSalts thereof derived from aromatic compounds
Patent holdings for IPC class C11D 1/22
Total number of patents in this class: 1195
10-year publication summary
|
126
|
133
|
97
|
60
|
56
|
83
|
86
|
84
|
70
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22035 |
297 |
| Conopco, Inc. | 5039 |
138 |
| Henkel AG & Co. KGaA | 10584 |
101 |
| Unilever IP Holdings B.V. | 3102 |
73 |
| Unilever Global IP Limited | 2015 |
73 |
| Ecolab USA Inc. | 5499 |
72 |
| Unilever PLC | 3193 |
53 |
| Unilever N.V. | 3100 |
53 |
| Kao Corporation | 4964 |
34 |
| Dow Global Technologies LLC | 10349 |
21 |
| Colgate-Palmolive Company | 5800 |
15 |
| Lion Corporation | 743 |
14 |
| BASF SE | 20915 |
12 |
| Rohm and Haas Company | 2877 |
12 |
| Novozymes A/S | 3321 |
12 |
| The Clorox Company | 948 |
10 |
| Hindustan Unilever Limited | 1173 |
10 |
| Henkel IP & Holding GmbH | 566 |
9 |
| Stepan Company | 582 |
8 |
| Dow Silicones Corporation | 1936 |
8 |
| Other owners | 170 |