- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 97/00 - Compositions of lignin-containing materials
Patent holdings for IPC class C08L 97/00
Total number of patents in this class: 989
10-year publication summary
|
76
|
93
|
63
|
90
|
93
|
90
|
87
|
89
|
97
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1504 |
72 |
| UPM-Kymmene Corporation | 868 |
54 |
| Suzano Canada Inc. | 32 |
20 |
| Idemitsu Kosan Co., Ltd. | 3995 |
18 |
| Rockwool A/S | 753 |
18 |
| REN Fuel K2b AB | 41 |
16 |
| UT-Battelle, LLC | 1333 |
14 |
| Renmatix, Inc. | 132 |
13 |
| Suncoal Industries GmbH | 65 |
13 |
| Kyoto University | 2732 |
9 |
| Aalto University Foundation | 253 |
8 |
| Annikki GmbH | 60 |
8 |
| Suzano S.A. | 181 |
8 |
| Procter & Gamble International Operations SA | 168 |
7 |
| Bridgestone Corporation | 7067 |
7 |
| Kao Corporation | 4843 |
7 |
| Domtar Paper Company, LLC | 119 |
7 |
| National Research Council of Canada | 1545 |
6 |
| Nokian Renkaat Oyj | 59 |
6 |
| Sumitomo Bakelite Co., Ltd. | 1416 |
6 |
| Other owners | 672 |