- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 81/00 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
Patent holdings for IPC class C08G 81/00
Total number of patents in this class: 945
10-year publication summary
|
78
|
76
|
88
|
68
|
60
|
66
|
48
|
56
|
53
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6891 |
31 |
| LG Chem, Ltd. | 17561 |
21 |
| Idemitsu Kosan Co., Ltd. | 4152 |
20 |
| HRL Laboratories, LLC | 1599 |
20 |
| The University of Tokyo | 4148 |
20 |
| Sumitomo Chemical Company, Limited | 9009 |
18 |
| Arkema France | 3987 |
16 |
| California Institute of Technology | 3967 |
13 |
| Nippon Kayaku Kabushiki Kaisha | 1432 |
12 |
| Kao Corporation | 4943 |
11 |
| FUJIFILM Corporation | 29228 |
10 |
| BASF SE | 20777 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5598 |
9 |
| Massachusetts Institute of Technology | 10013 |
7 |
| Agency for Science, Technology and Research | 3584 |
7 |
| International Business Machines Corporation | 61023 |
6 |
| Centre National de La Recherche Scientifique | 10321 |
6 |
| Bridgestone Corporation | 7217 |
6 |
| Cnpharm Co., Ltd. | 37 |
6 |
| Nanocarrier Co., Ltd. | 43 |
6 |
| Other owners | 691 |