- All sections
- C - Chemistry; metallurgy
- C11D - Detergent compositions; use of single substances as detergents; soap or soap-making; resin soaps; recovery of glycerol
- C11D 1/22 - Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
Patent holdings for IPC class C11D 1/22
Total number of patents in this class: 1025
10-year publication summary
|
55
|
126
|
133
|
97
|
60
|
55
|
81
|
73
|
72
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22178 |
250 |
| Conopco, Inc. | 4644 |
114 |
| Henkel AG & Co. KGaA | 10129 |
90 |
| Ecolab USA Inc. | 5190 |
61 |
| Unilever IP Holdings B.V. | 3021 |
54 |
| Unilever Global IP Limited | 1949 |
54 |
| Unilever PLC | 3540 |
53 |
| Unilever N.V. | 3440 |
53 |
| Kao Corporation | 4843 |
32 |
| Dow Global Technologies LLC | 10147 |
15 |
| Lion Corporation | 757 |
13 |
| Colgate-Palmolive Company | 5325 |
12 |
| Novozymes A/S | 3314 |
10 |
| Hindustan Unilever Limited | 1281 |
10 |
| Henkel IP & Holding GmbH | 684 |
9 |
| BASF SE | 19740 |
8 |
| Stepan Company | 567 |
8 |
| The Clorox Company | 973 |
6 |
| Dow Silicones Corporation | 1664 |
6 |
| Rohm and Haas Company | 2805 |
5 |
| Other owners | 162 |