- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/448 - Block- or graft-polymers containing polysiloxane sequences containing polycarbonate sequences
Patent holdings for IPC class C08G 77/448
Total number of patents in this class: 285
10-year publication summary
|
25
|
63
|
25
|
30
|
16
|
22
|
15
|
8
|
15
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
53 |
| Idemitsu Kosan Co., Ltd. | 3995 |
48 |
| SHPP Global Technologies B.V. | 1045 |
45 |
| Covestro Deutschland AG | 2429 |
19 |
| SABIC Global Technologies B.V. | 4044 |
18 |
| Samyang Corporation | 368 |
15 |
| Sabic Innovative Plastics IP B.V. | 683 |
12 |
| Momentive Performance Materials Inc. | 861 |
7 |
| Lotte Advanced Materials Co., Ltd. | 434 |
7 |
| Dow Global Technologies LLC | 10147 |
6 |
| Dow Silicones Corporation | 1664 |
6 |
| Cheil Industries Inc. | 944 |
5 |
| Citibank, N.A., AS Administrative Agent | 295 |
5 |
| Momentive Performance Materials GmbH | 120 |
5 |
| Teijin Limited | 1216 |
4 |
| Medtronic MiniMed, Inc. | 1808 |
2 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
2 |
| Acushnet Company | 2337 |
2 |
| Lotte Chemical Corporation | 591 |
2 |
| Mitsubishi Chemical Europe GmbH | 23 |
2 |
| Other owners | 20 |