Composition of matter
id:
composition-of-matter-172-11697331
title:
Composition of matter
text:
In United States patent law, a composition of matter is one of the four principal categories of things that may be patented. The other three are a process, a machine, and an article of manufacture. In United States patent law, that same terminology has been in use since the first patent act in 1790. The United States Supreme Court has defined "composition of matter" to mean "all compositions of two or more substances and all composite articles, whether they be the results of chemical union, or o
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Composition_of_matter
date created:
2009-03-23T22:04:14Z
date modified:
2024-09-01T21:11:02Z
main entity:
{"identifier":"Q17326433","url":"https://www.wikidata.org/entity/Q17326433"}
image:
fields total:
13
integrity:
14