- All sections
- C - Chemistrymetallurgy
- C11D - Detergent compositionsuse of single substances as detergentssoap or soap-makingresin soapsrecovery of glycerol
- C11D 3/28 - Heterocyclic compounds containing nitrogen in the ring
Patent holdings for IPC class C11D 3/28
Total number of patents in this class: 430
10-year publication summary
28
|
34
|
29
|
27
|
35
|
37
|
40
|
25
|
35
|
28
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Henkel AG & Co. KGaA | 10636 |
54 |
The Procter & Gamble Company | 21996 |
43 |
FUJIFILM Corporation | 29713 |
15 |
Conopco, Inc. | 5005 |
14 |
Ecolab USA Inc. | 5544 |
14 |
BASF SE | 21036 |
11 |
FUJIFILM Electronic Materials U.S.A., Inc. | 335 |
11 |
Entegris, Inc. | 1901 |
9 |
Kao Corporation | 4981 |
8 |
Dow Global Technologies LLC | 10459 |
8 |
Unilever IP Holdings B.V. | 3098 |
8 |
Unilever Global IP Limited | 2038 |
8 |
Unilever PLC | 3162 |
7 |
Unilever N.V. | 3072 |
7 |
Clariant International Ltd. | 930 |
6 |
DONGWOO FINE-CHEM Co., Ltd. | 1369 |
6 |
Symrise AG | 1749 |
6 |
Tokyo Ohka Kogyo Co., Ltd. | 1551 |
6 |
American Sterilizer Company | 670 |
5 |
Versum Materials US, LLC | 653 |
5 |
Other owners | 179 |