fingerprint claim

A chemical-patent claim that differentiates the material from prior art in terms of some physical feature, such as melting point or spectrum, rather than its chemical composition.

• Fingerprint claims are allowed only when the chemical composition cannot be determined or cannot be distinguished from prior art.

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词条贡献者

资深译员玉晶，毕业于国内顶尖的高级翻译学院，擅长翻译各类与环境、安全与健康相关的法律文件。