- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/445 - Block- or graft-polymers containing polysiloxane sequences containing polyester sequences
Patent holdings for IPC class C08G 77/445
Total number of patents in this class: 179
10-year publication summary
|
10
|
14
|
15
|
19
|
13
|
11
|
12
|
9
|
7
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2146 |
20 |
| Dow Global Technologies LLC | 11051 |
12 |
| Wacker Chemie AG | 2117 |
10 |
| Evonik Operations GmbH | 4416 |
5 |
| The Procter & Gamble Company | 21862 |
4 |
| LG Chem, Ltd. | 17970 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 6143 |
4 |
| Momentive Performance Materials Inc. | 891 |
4 |
| SABIC Global Technologies B.V. | 4625 |
4 |
| PPG Industries Ohio, Inc. | 3324 |
3 |
| Mitsubishi Chemical Corporation | 4746 |
3 |
| BYK-Chemie GmbH | 448 |
3 |
| Jiangsu Hengli; Chemical Fibre Co., Ltd. | 118 |
3 |
| Johnson & Johnson Vision Care, Inc. | 1159 |
2 |
| 3m Innovative Properties Company | 17455 |
2 |
| Xerox Corporation | 4379 |
2 |
| NEC Corporation | 37395 |
2 |
| Dow Corning Corporation | 870 |
2 |
| Akzo Nobel Coatings International B.V. | 2026 |
2 |
| Illumina, Inc. | 3538 |
2 |
| Other owners | 86 |