- 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: 1176
10-year publication summary
|
126
|
133
|
97
|
60
|
56
|
82
|
84
|
83
|
68
|
68
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22043 |
293 |
| Conopco, Inc. | 4983 |
137 |
| Henkel AG & Co. KGaA | 10513 |
101 |
| Unilever IP Holdings B.V. | 3078 |
72 |
| Unilever Global IP Limited | 1984 |
72 |
| Ecolab USA Inc. | 5463 |
70 |
| Unilever PLC | 3215 |
53 |
| Unilever N.V. | 3122 |
53 |
| Kao Corporation | 4952 |
36 |
| Dow Global Technologies LLC | 10385 |
19 |
| Colgate-Palmolive Company | 5811 |
14 |
| Lion Corporation | 742 |
14 |
| Novozymes A/S | 3319 |
12 |
| BASF SE | 20874 |
11 |
| Rohm and Haas Company | 2916 |
10 |
| Hindustan Unilever Limited | 1194 |
10 |
| The Clorox Company | 953 |
9 |
| Henkel IP & Holding GmbH | 568 |
9 |
| Stepan Company | 569 |
8 |
| Dow Silicones Corporation | 1904 |
8 |
| Other owners | 165 |