- 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: 1002
10-year publication summary
80
|
70
|
69
|
64
|
61
|
65
|
74
|
56
|
67
|
54
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Stora Enso Oyj | 1658 |
71 |
UPM-Kymmene Corporation | 943 |
60 |
Rockwool A/S | 796 |
22 |
SixRing Inc. | 164 |
22 |
FPInnovations | 240 |
18 |
ROCKWOOL International A/S | 301 |
18 |
Renmatix, Inc. | 131 |
17 |
REN Fuel K2b AB | 25 |
16 |
Wisconsin Alumni Research Foundation | 3884 |
14 |
Suncoal Industries GmbH | 76 |
13 |
Suzano Canada Inc. | 33 |
13 |
Idemitsu Kosan Co., Ltd. | 4237 |
12 |
Nippon Paper Industries Co., Ltd. | 834 |
12 |
Teknologian Tutkimuskeskus VTT Oy | 536 |
10 |
API Intellectual Property Holdings, LLC | 78 |
9 |
SCA Forest Products AB | 81 |
9 |
Shell Internationale Research Maatschappij B.V. | 3557 |
8 |
Shell Oil Company | 2138 |
8 |
Annikki GmbH | 73 |
8 |
Board of Trustees of Michigan State University | 1194 |
8 |
Other owners | 634 |