- All sections
- C - Chemistry; metallurgy
- 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: 450
10-year publication summary
|
28
|
30
|
29
|
39
|
39
|
49
|
30
|
34
|
21
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
26 |
| Momentive Performance Materials Inc. | 861 |
22 |
| Dow Silicones Corporation | 1664 |
22 |
| Dow Corning Corporation | 1072 |
20 |
| Wacker Chemie AG | 2091 |
19 |
| Dow Global Technologies LLC | 10147 |
17 |
| Dow Toray Co., Ltd. | 494 |
15 |
| SHPP Global Technologies B.V. | 1045 |
14 |
| Sabic Innovative Plastics IP B.V. | 683 |
13 |
| Evonik Operations GmbH | 3879 |
13 |
| SABIC Global Technologies B.V. | 4044 |
12 |
| Dow Corning Toray Co., Ltd. | 562 |
11 |
| Evonik Degussa GmbH | 1574 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Citibank, N.A., AS Administrative Agent | 295 |
7 |
| Momentive Performance Materials GmbH | 120 |
7 |
| Evonik Goldschmidt Gmbh | 90 |
6 |
| Mitsui Chemicals, Inc. | 3134 |
6 |
| Henkel AG & Co. KGaA | 10129 |
6 |
| The Procter & Gamble Company | 22178 |
5 |
| Other owners | 194 |