- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 30/90 - Plate chromatography, e.g. thin layer or paper chromatography
Patent holdings for IPC class G01N 30/90
Total number of patents in this class: 155
10-year publication summary
|
15
|
11
|
11
|
14
|
8
|
7
|
13
|
1
|
9
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17833 |
5 |
| Xi'an Chiho Pharmaceutical Co., Ltd. | 7 |
5 |
| LG Chem, Ltd. | 17632 |
4 |
| Sichuan Neo-green Pharmaceutical Technology Development Co., Ltd | 17 |
4 |
| Total Research & Technology Feluy | 446 |
4 |
| Centre National de La Recherche Scientifique (cnrs) | 3113 |
4 |
| Merck Patent GmbH | 5831 |
3 |
| Shimadzu Corporation | 6169 |
3 |
| The Curators of the University of Missouri | 1041 |
3 |
| Dionex Benelux B.V. | 3 |
3 |
| Faron Pharmaceuticals Oy | 89 |
3 |
| Rapid Pathogen Screening, Inc. | 57 |
3 |
| Waters Technologies Corporation | 1697 |
3 |
| Vulcan Photonics Sdn. Bhd. | 19 |
3 |
| Xinjiang Huachun Biological Pharmaceutical Co., Ltd | 3 |
3 |
| Agilent Technologies, Inc. | 2631 |
2 |
| President and Fellows of Harvard College | 5976 |
2 |
| Kaneka Corporation | 4522 |
2 |
| Bio-Rad Laboratories, Inc. | 1614 |
2 |
| Camag | 4 |
2 |
| Other owners | 92 |