- 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: 1318
10-year publication summary
|
133
|
97
|
60
|
56
|
85
|
88
|
97
|
74
|
130
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21920 |
338 |
| Conopco, Inc. | 4999 |
157 |
| Henkel AG & Co. KGaA | 10702 |
111 |
| Unilever IP Holdings B.V. | 2753 |
86 |
| Unilever Global IP Limited | 2130 |
86 |
| Ecolab USA Inc. | 5745 |
82 |
| Unilever PLC | 3042 |
50 |
| Unilever N.V. | 2951 |
50 |
| Kao Corporation | 5041 |
37 |
| Dow Global Technologies LLC | 10824 |
23 |
| Colgate-Palmolive Company | 5744 |
16 |
| Lion Corporation | 735 |
15 |
| Rohm and Haas Company | 2945 |
14 |
| Novozymes A/S | 3349 |
13 |
| BASF SE | 21151 |
11 |
| The Clorox Company | 951 |
10 |
| Henkel IP & Holding GmbH | 560 |
9 |
| Stepan Company | 571 |
8 |
| Dow Silicones Corporation | 2072 |
8 |
| Hindustan Unilever Limited | 1036 |
7 |
| Other owners | 187 |