- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
Patent holdings for IPC class B01D 15/36
Total number of patents in this class: 1471
10-year publication summary
|
91
|
121
|
166
|
149
|
170
|
158
|
160
|
164
|
135
|
61
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dionex Corporation | 320 |
48 |
| Cytiva BioProcess R&D AB | 287 |
35 |
| LiLAC Solutions, Inc. | 44 |
23 |
| Merck Patent GmbH | 5909 |
22 |
| Dow Global Technologies LLC | 10147 |
22 |
| Waters Technologies Corporation | 1654 |
22 |
| Cargill, Incorporated | 2835 |
21 |
| Archer Daniels Midland Company | 1164 |
20 |
| EMD Millipore Corporation | 657 |
15 |
| Rohm and Haas Company | 2805 |
15 |
| Hoffmann-La Roche Inc. | 3060 |
14 |
| Bio-Rad Laboratories, Inc. | 1592 |
14 |
| Uop LLC | 4083 |
13 |
| Takeda Pharmaceutical Company Limited | 2961 |
13 |
| Genzyme Corporation | 1205 |
13 |
| Samyang Corporation | 368 |
13 |
| Genentech, Inc. | 3742 |
12 |
| F. Hoffmann-La Roche AG | 7958 |
11 |
| GE Healthcare Bio-Sciences AB | 570 |
11 |
| UNGER Marketing International, LLC | 304 |
11 |
| Other owners | 1103 |