- All sections
- C - Chemistrymetallurgy
- C11D - Detergent compositionsuse of single substances as detergentssoap or soap-makingresin soapsrecovery of glycerol
- C11D 1/28 - Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
Patent holdings for IPC class C11D 1/28
Total number of patents in this class: 352
10-year publication summary
|
24
|
17
|
13
|
17
|
17
|
20
|
32
|
23
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stepan Company | 573 |
42 |
| Kao Corporation | 5026 |
40 |
| Lion Corporation | 741 |
37 |
| Conopco, Inc. | 4986 |
30 |
| BASF SE | 21131 |
24 |
| Unilever Global IP Limited | 2128 |
19 |
| Henkel AG & Co. KGaA | 10714 |
18 |
| Unilever IP Holdings B.V. | 2765 |
15 |
| The Procter & Gamble Company | 21972 |
12 |
| Unilever PLC | 3071 |
5 |
| Unilever N.V. | 2980 |
5 |
| Innospec Limited | 385 |
5 |
| Guangzhou Joyson Cleaning Products Co., Ltd. | 27 |
5 |
| KL-Kepong Oleomas Sdn. Bhd. | 36 |
4 |
| Hindustan Unilever Limited | 1067 |
3 |
| Lankem Ltd | 12 |
3 |
| TRU Earth Environmental Products Inc. | 48 |
3 |
| Colgate-Palmolive Company | 5742 |
2 |
| Dow Global Technologies LLC | 10742 |
2 |
| Battelle Memorial Institute | 2542 |
2 |
| Other owners | 76 |