- 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: 1364
10-year publication summary
|
133
|
97
|
60
|
56
|
85
|
89
|
98
|
75
|
131
|
81
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21870 |
344 |
| Conopco, Inc. | 5129 |
165 |
| Henkel AG & Co. KGaA | 10771 |
116 |
| Unilever IP Holdings B.V. | 2773 |
91 |
| Unilever Global IP Limited | 2205 |
91 |
| Ecolab USA Inc. | 5837 |
83 |
| Unilever PLC | 2975 |
49 |
| Unilever N.V. | 2889 |
49 |
| Kao Corporation | 5105 |
38 |
| Dow Global Technologies LLC | 11051 |
25 |
| Colgate-Palmolive Company | 5731 |
17 |
| Lion Corporation | 733 |
15 |
| Rohm and Haas Company | 2941 |
14 |
| Novozymes A/S | 3406 |
14 |
| BASF SE | 21318 |
11 |
| The Clorox Company | 947 |
10 |
| Henkel IP & Holding GmbH | 558 |
9 |
| Stepan Company | 567 |
8 |
| Dow Silicones Corporation | 2147 |
8 |
| Hindustan Unilever Limited | 981 |
6 |
| Other owners | 201 |