U.S. patent law[edit | edit source]
A composition of matter is one of the statutory classes of invention.
|“||[It] has been construed consistent with the common usage to include 'all compositions of two or more substances and . . . all composite articles, whether they be the results of chemical union, or of mechanical mixture, or whether they be gases, fluids, powers or solids.'||”|
References[edit | edit source]
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