- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/24 - Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
Patent holdings for IPC class B01J 20/24
Total number of patents in this class: 1009
10-year publication summary
|
68
|
95
|
96
|
101
|
118
|
96
|
106
|
97
|
105
|
29
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cytiva BioProcess R&D AB | 287 |
37 |
| Daicel Corporation | 2128 |
23 |
| Kaneka Corporation | 4445 |
20 |
| Pioneer Pet Products, LLC | 134 |
18 |
| FUJIFILM Corporation | 27102 |
10 |
| UPM-Kymmene Corporation | 868 |
10 |
| Hitachi Chemical Company, Ltd. | 2455 |
9 |
| 7905122 Canada Inc. | 24 |
9 |
| Sartorius Stedim Biotech GmbH | 774 |
9 |
| The Procter & Gamble Company | 22178 |
8 |
| Jiangnan University | 1410 |
8 |
| JNC Corporation | 1527 |
8 |
| Unicharm Corporation | 2744 |
8 |
| Kimberly-clark Worldwide, Inc. | 5854 |
7 |
| Baxter International Inc. | 2425 |
7 |
| Baxter Healthcare S.A. | 1810 |
7 |
| Daiki Co., Ltd. | 140 |
7 |
| Dexerials Corporation | 1826 |
7 |
| GP Cellulose GmbH | 98 |
7 |
| JSR Corporation | 2476 |
6 |
| Other owners | 784 |