- All sections
- A - Human necessities
- A62D - Chemical means for extinguishing fires; processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change; composition of materials for coverings or clothing for protecting against harmful chemical agents; composition of materials for transparent parts of gas-masks, respirators, breathing bags or helmets; composition of chemical materials for use in breathing apparatus
- A62D 3/33 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemically fixing the harmful substance, e.g. by chelation or complexation
Patent holdings for IPC class A62D 3/33
Total number of patents in this class: 169
10-year publication summary
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22
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13
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18
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14
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13
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8
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11
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14
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5
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |