- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 20/29 - Chiral phases
Patent holdings for IPC class B01J 20/29
Total number of patents in this class: 63
10-year publication summary
3
|
3
|
4
|
4
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4
|
4
|
6
|
2
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Daicel Corporation | 2128 |
15 |
Waters Technologies Corporation | 1654 |
5 |
Nankai University | 201 |
4 |
The Nisshin OilliO Group, Ltd. | 431 |
3 |
Sigma-Aldrich Co., LLC | 247 |
3 |
Azyp, LLC | 4 |
2 |
Evolved Nanomaterial Sciences, Inc. | 3 |
2 |
University of Limerick | 190 |
2 |
Merck Millipore Ltd. | 46 |
2 |
South Central University for Nationalities | 13 |
2 |
F. Hoffmann-La Roche AG | 7958 |
1 |
Roche Diagnostics GmbH | 2745 |
1 |
Roche Diagnostics Operations, Inc. | 1375 |
1 |
Evonik Degussa GmbH | 1574 |
1 |
Mitsubishi Rayon Co., Ltd. | 1003 |
1 |
Mitsubishi Chemical Corporation | 4313 |
1 |
Beijing University of Chemical Technology | 287 |
1 |
Council of Scientific & Industrial Research | 1397 |
1 |
Ecole Superieure de Chimie Physique Electronique de Lyon | 71 |
1 |
Fundação Universidade Federal de São Carlos | 31 |
1 |
Other owners | 13 |