- Sections
- B - Techniques industriellestransports
- B01D - Séparation
- B01D 71/20 - Esters d'acides inorganiques, p. ex. nitrate de cellulose
Détention brevets de la classe B01D 71/20
Brevets de cette classe: 28
Historique des publications depuis 10 ans
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1
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2
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2
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3
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3
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3
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2
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2
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| NB POSTECH | 3 |
3 |
| Merck Patent GmbH | 5742 |
2 |
| Whatman GmbH | 6 |
2 |
| Global Life Sciences Solutions Germany GmbH | 77 |
2 |
| Bayer HealthCare LLC | 1301 |
1 |
| Board of Trustees of the University of Arkansas | 831 |
1 |
| GE Healthcare Limited | 628 |
1 |
| Kyushu University, National University Corporation | 1733 |
1 |
| Nanjing University | 806 |
1 |
| Nanopareil, LLC | 13 |
1 |
| Newsouth Innovations Pty Limited | 627 |
1 |
| Renaissance Energy Research Corporation | 62 |
1 |
| Sartorius Stedim Biotech GmbH | 886 |
1 |
| Sydney Water Corporation | 5 |
1 |
| The University of Tokyo | 4386 |
1 |
| University of Washington | 2463 |
1 |
| Whatman, Inc. | 4 |
1 |
| Sartorius Stedium Biotech GmbH | 3 |
1 |
| Hangzhou Cobetter Filtration Equipment Co., Ltd | 32 |
1 |
| HeNan Polytechnic University | 102 |
1 |
| Autres propriétaires | 3 |