Patents can be searched for by patent number, assignee, year, status, inventor, and several other properties. Patents are also linked from substance records.
Searches patent documents from the United States Patent and Trademark Office (USPTO), the European Patent Office (EPO), and the World Intellectual Property Organization (WIPO).
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Chemical patents are a special type of patent. Patents can contain valuable chemical information, so it is worthwhile to determine whether patents are available for a substance of interest.
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SciFinder
Need to know: Patents (Note: we do not subscribe to PatentPak. If you need a copy of a patent identified in SciFinder, paste the patent number into Google Patents.)
