- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 39/20 - Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
Patent holdings for IPC class B01J 39/20
Total number of patents in this class: 420
10-year publication summary
55
|
48
|
43
|
36
|
28
|
34
|
25
|
26
|
20
|
7
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
FUJIFILM Manufacturing Europe B.V. | 269 |
26 |
FUJIFILM Corporation | 29305 |
25 |
Agc, Inc. | 4816 |
20 |
Organo Corporation | 463 |
18 |
Rohm and Haas Company | 2919 |
12 |
Ecolab USA Inc. | 5471 |
12 |
Asahi Kasei Kabushiki Kaisha | 2654 |
11 |
3m Innovative Properties Company | 17857 |
9 |
Dow Global Technologies LLC | 10373 |
9 |
Kurita Water Industries Ltd. | 1190 |
9 |
Asahi Glass Company, Limited | 2799 |
8 |
Astom Corporation | 33 |
6 |
Dionex Corporation | 331 |
6 |
Saltworks Technologies Inc. | 92 |
6 |
DDP Specialty Electronic Materials US 8 LLC | 152 |
6 |
Vifor (International) Ltd. | 29 |
6 |
DDP Specialty Electronic Materials US, LLC | 828 |
6 |
Toray Industries, Inc. | 6931 |
5 |
Ardelyx, Inc. | 113 |
5 |
BL Technologies, Inc. | 834 |
5 |
Other owners | 210 |