- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 83/12 - Block- or graft-copolymers containing polysiloxane sequences containing polyether sequences
Patent holdings for IPC class C08L 83/12
Total number of patents in this class: 469
10-year publication summary
|
28
|
28
|
37
|
36
|
47
|
28
|
29
|
23
|
20
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5669 |
30 |
| Dow Silicones Corporation | 1941 |
28 |
| Momentive Performance Materials Inc. | 915 |
22 |
| Wacker Chemie AG | 2111 |
19 |
| Dow Global Technologies LLC | 10360 |
17 |
| Dow Corning Corporation | 964 |
17 |
| Dow Toray Co., Ltd. | 568 |
16 |
| Evonik Operations GmbH | 4114 |
15 |
| SHPP Global Technologies B.V. | 1088 |
15 |
| Sabic Innovative Plastics IP B.V. | 681 |
13 |
| SABIC Global Technologies B.V. | 4351 |
12 |
| Dow Corning Toray Co., Ltd. | 488 |
11 |
| LG Chem, Ltd. | 17635 |
8 |
| Evonik Degussa GmbH | 1525 |
7 |
| Henkel AG & Co. KGaA | 10583 |
7 |
| Citibank, N.A., AS Administrative Agent | 270 |
7 |
| Evonik Goldschmidt Gmbh | 88 |
6 |
| Mitsui Chemicals, Inc. | 3222 |
6 |
| The Procter & Gamble Company | 22043 |
5 |
| DENTSPLY SIRONA Inc. | 1856 |
5 |
| Other owners | 203 |