- 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: 972
10-year publication summary
|
76
|
88
|
68
|
61
|
66
|
51
|
56
|
54
|
44
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7045 |
30 |
| LG Chem, Ltd. | 17840 |
22 |
| Idemitsu Kosan Co., Ltd. | 4219 |
20 |
| HRL Laboratories, LLC | 1623 |
20 |
| The University of Tokyo | 4328 |
20 |
| Sumitomo Chemical Company, Limited | 9055 |
16 |
| Arkema France | 4185 |
16 |
| California Institute of Technology | 4017 |
13 |
| Kao Corporation | 5025 |
12 |
| Nippon Kayaku Kabushiki Kaisha | 1468 |
11 |
| FUJIFILM Corporation | 30277 |
10 |
| BASF SE | 21129 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 5952 |
9 |
| Massachusetts Institute of Technology | 10201 |
7 |
| International Business Machines Corporation | 62251 |
6 |
| Centre National de La Recherche Scientifique | 10881 |
6 |
| Bridgestone Corporation | 7236 |
6 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
6 |
| Agency for Science, Technology and Research | 3689 |
6 |
| Cnpharm Co., Ltd. | 40 |
6 |
| Other owners | 721 |