- 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: 380
10-year publication summary
|
25
|
17
|
14
|
17
|
21
|
21
|
38
|
26
|
18
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kao Corporation | 5114 |
41 |
| Stepan Company | 567 |
40 |
| Lion Corporation | 732 |
37 |
| Conopco, Inc. | 5140 |
35 |
| Unilever Global IP Limited | 2212 |
25 |
| BASF SE | 21334 |
24 |
| Unilever IP Holdings B.V. | 2765 |
20 |
| Henkel AG & Co. KGaA | 10803 |
19 |
| The Procter & Gamble Company | 21890 |
13 |
| Guangzhou Joyson Cleaning Products Co., Ltd. | 36 |
9 |
| Innospec Limited | 418 |
6 |
| Unilever PLC | 2972 |
5 |
| Unilever N.V. | 2886 |
5 |
| KL-Kepong Oleomas Sdn. Bhd. | 36 |
4 |
| Hindustan Unilever Limited | 978 |
3 |
| Lankem Ltd | 11 |
3 |
| TRU Earth Environmental Products Inc. | 55 |
3 |
| Colgate-Palmolive Company | 5735 |
2 |
| Dow Global Technologies LLC | 11090 |
2 |
| Battelle Memorial Institute | 2621 |
2 |
| Other owners | 82 |