- All sections
- C - Chemistry; metallurgy
- C11D - Detergent compositions; use of single substances as detergents; soap or soap-making; resin soaps; recovery of glycerol
- C11D 1/28 - 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: 305
10-year publication summary
|
12
|
26
|
25
|
17
|
14
|
17
|
20
|
19
|
32
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stepan Company | 567 |
42 |
| Lion Corporation | 757 |
40 |
| Kao Corporation | 4843 |
37 |
| Conopco, Inc. | 4644 |
24 |
| BASF SE | 19740 |
23 |
| Henkel AG & Co. KGaA | 10129 |
16 |
| Unilever Global IP Limited | 1949 |
14 |
| Unilever IP Holdings B.V. | 3021 |
12 |
| The Procter & Gamble Company | 22178 |
7 |
| Unilever PLC | 3540 |
5 |
| Unilever N.V. | 3440 |
5 |
| KL-Kepong Oleomas Sdn. Bhd. | 17 |
4 |
| Hindustan Unilever Limited | 1281 |
3 |
| Colgate-Palmolive Company | 5325 |
2 |
| Battelle Memorial Institute | 2356 |
2 |
| Advansix Resins & Chemicals LLC | 278 |
2 |
| Complexa, Inc. | 9 |
2 |
| Ecolab Inc. | 479 |
2 |
| Fujimi Incorporated | 676 |
2 |
| Innospec Limited | 308 |
2 |
| Other owners | 59 |