- 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: 1276
10-year publication summary
|
129
|
96
|
58
|
52
|
81
|
84
|
90
|
70
|
127
|
23
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21969 |
333 |
| Conopco, Inc. | 4996 |
148 |
| Henkel AG & Co. KGaA | 10710 |
108 |
| Ecolab USA Inc. | 5702 |
81 |
| Unilever IP Holdings B.V. | 2768 |
77 |
| Unilever Global IP Limited | 2134 |
77 |
| Unilever PLC | 3068 |
50 |
| Unilever N.V. | 2977 |
50 |
| Kao Corporation | 5023 |
36 |
| Dow Global Technologies LLC | 10754 |
23 |
| Colgate-Palmolive Company | 5748 |
16 |
| Lion Corporation | 741 |
15 |
| Rohm and Haas Company | 2950 |
14 |
| Novozymes A/S | 3348 |
13 |
| BASF SE | 21135 |
11 |
| The Clorox Company | 956 |
10 |
| Henkel IP & Holding GmbH | 561 |
9 |
| Stepan Company | 574 |
8 |
| Dow Silicones Corporation | 2035 |
8 |
| Hindustan Unilever Limited | 1064 |
7 |
| Other owners | 182 |