14 million patents of chemical, biochemical and chemical engineering interest from more than 30 Patent Offices worldwide, including interactive PatentPak patents. Be taken immediately to the relevant compounds within a patent, even those in non-English language patents. Coverage from 1907 to current. First time users MUST sign up for a SciFinder-N account.
AusPat allows you to search Australian patents back to 1904. This website is maintained by IP Australia, the federal government agency responsible for administering intellectual property issues in Australia.