- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/288 - Polar phases
Patent holdings for IPC class B01J 20/288
Total number of patents in this class: 95
10-year publication summary
|
6
|
8
|
8
|
9
|
11
|
8
|
17
|
5
|
7
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1654 |
20 |
| Cytiva BioProcess R&D AB | 287 |
6 |
| Dionex Corporation | 320 |
5 |
| Instraction GmbH | 45 |
5 |
| Daicel Corporation | 2128 |
4 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 614 |
4 |
| Merck Patent GmbH | 5909 |
3 |
| Toray Industries, Inc. | 6652 |
3 |
| EMD Millipore Corporation | 657 |
2 |
| Shimadzu Corporation | 5791 |
2 |
| Azyp, LLC | 4 |
2 |
| CUBE BIOTECH GmbH | 10 |
2 |
| Pentracor GmbH | 21 |
2 |
| Sigma-Aldrich Co., LLC | 247 |
2 |
| Temple University of the Commonwealth System of Higher Education | 583 |
2 |
| Zeochem AG | 25 |
2 |
| Yazaki Corporation | 6282 |
1 |
| Agilent Technologies, Inc. | 2744 |
1 |
| Life Technologies Corporation | 3068 |
1 |
| Showa Denko K.K. | 2539 |
1 |
| Other owners | 25 |