- All sections
- C - Chemistrymetallurgy
- C08H - Derivatives of natural macromolecular compounds
- C08H 7/00 - LigninModified ligninHigh-molecular-weight products derived therefrom
Patent holdings for IPC class C08H 7/00
Total number of patents in this class: 991
10-year publication summary
|
91
|
81
|
88
|
77
|
78
|
83
|
112
|
67
|
71
|
45
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1632 |
68 |
| UPM-Kymmene Corporation | 937 |
62 |
| Rockwool A/S | 781 |
22 |
| SixRing Inc. | 159 |
22 |
| ROCKWOOL International A/S | 307 |
18 |
| FPInnovations | 244 |
17 |
| Renmatix, Inc. | 131 |
17 |
| REN Fuel K2b AB | 25 |
16 |
| Wisconsin Alumni Research Foundation | 3868 |
14 |
| Suncoal Industries GmbH | 75 |
13 |
| Suzano Canada Inc. | 33 |
13 |
| Idemitsu Kosan Co., Ltd. | 4198 |
12 |
| Nippon Paper Industries Co., Ltd. | 827 |
12 |
| Teknologian Tutkimuskeskus VTT Oy | 530 |
10 |
| API Intellectual Property Holdings, LLC | 77 |
9 |
| SCA Forest Products AB | 81 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3553 |
8 |
| Shell Oil Company | 2141 |
8 |
| Annikki GmbH | 73 |
8 |
| Board of Trustees of Michigan State University | 1180 |
8 |
| Other owners | 625 |