- All sections
- A - Human necessities
- A62D - Chemical means for extinguishing firesprocesses for making harmful chemical substances harmless, or less harmful, by effecting a chemical changecomposition of materials for coverings or clothing for protecting against harmful chemical agentscomposition of materials for transparent parts of gas-masks, respirators, breathing bags or helmetscomposition of chemical materials for use in breathing apparatus
- A62D 3/36 - Detoxification by using acid or alkaline reagents
Patent holdings for IPC class A62D 3/36
Total number of patents in this class: 148
10-year publication summary
|
3
|
13
|
6
|
12
|
12
|
10
|
9
|
4
|
13
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tohoku University | 2775 |
6 |
| Toshiba Corporation | 12317 |
4 |
| Recycling Coordinators, Inc. | 6 |
4 |
| Hmr-solutions, Inc | 12 |
4 |
| Aqua Resources Corporation | 8 |
3 |
| Perma-Fix Environmental Services, Inc. | 28 |
3 |
| Treated Timber Remediation Pty. Ltd | 3 |
3 |
| Black Asbestos Ltd | 3 |
3 |
| Eco Insight S.r.l. | 3 |
3 |
| BASF SE | 20892 |
2 |
| Centre National de La Recherche Scientifique | 10408 |
2 |
| Battelle Memorial Institute | 2476 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1656 |
2 |
| Heathcoat Fabrics Limited | 28 |
2 |
| Institut National Polytechnique de Toulouse | 203 |
2 |
| Institut National Polytechnique de Toulouse (inpt) | 24 |
2 |
| Korea Institute of Geoscience and Mineral Resources | 238 |
2 |
| Korea Research Institute of Chemical Technology | 1384 |
2 |
| Midrex Technologies, Inc. | 109 |
2 |
| National University Corporation Tottori University | 204 |
2 |
| Other owners | 93 |