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Composition of Matter

Smith Hopen Intellectual Property Term Glossary Definition for Composition of Matter
Composition of matter claims list the chemical ingredients (compounds, elements or radicals) making up the composition or compound. The ingredients or elements may be claimed narrowly (specific named components), with intermediate scope (a group of similar elements functionally equivalent), or broadly as to function performed, where the prior art permits. Where necessary to novelty, etc., the proportions or other conditions or parameters of the compound are stated, usually in ranges of concentration of ingredients. The intended use for the composition (welding, combustion) may or may not be stated in the preamble.

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