- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 41/20 - Anion exchangers for chromatographic processes
Patent holdings for IPC class B01J 41/20
Total number of patents in this class: 141
10-year publication summary
8
|
13
|
15
|
20
|
20
|
9
|
12
|
11
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dionex Corporation | 320 |
23 |
Cytiva BioProcess R&D AB | 287 |
13 |
The Trustees of the University of Pennsylvania | 4122 |
8 |
EMD Millipore Corporation | 657 |
7 |
Merck Patent GmbH | 5909 |
6 |
Bio-Rad Laboratories, Inc. | 1592 |
4 |
Genzyme Corporation | 1205 |
4 |
MedImmune Limited | 627 |
4 |
GE Healthcare Bio-Sciences AB | 570 |
3 |
Rohm and Haas Company | 2805 |
2 |
Dow Global Technologies LLC | 10147 |
2 |
Board of Regents, The University of Texas System | 5370 |
2 |
Showa Denko K.K. | 2539 |
2 |
Duke University | 2872 |
2 |
Adimab, LLC | 134 |
2 |
Cytune Pharma | 37 |
2 |
Metrohm AG | 29 |
2 |
Orochem Technologies, Inc. | 29 |
2 |
Sekisui Medical Co., Ltd. | 624 |
2 |
W. R. Grace & Co.-Conn. | 299 |
2 |
Other owners | 47 |