Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Handbooks, Encyclopedia, Data
What patents are, how they are organized, how to find them, and how to obtain them
Espacenet officially covers European (EPO) and World (WIPO) patents but includes current US and Japan patents. Full searching for the current 24 months. Free (page-by-page) retrieval of individual patents by number (PDF format) varies by country; some begin with 1920. Special note: these patents have alphanumeric subcodes, such as EP 1234567 A3, indicating the presence or lack of supporting documentation.
Find patents using a Google interface. PDFs of all US patents. Also covers European, Japanese, and World Patents.
Industrial Property Digital Library (Japan)
Japanese patents from 1976. Simple search engine but translates the patents into English.
Major resource for chemistry research. Many capabilities it provides includes searching chemical literature, plus substance, reaction, structure searching, and property searching. Set up instructions can be found here
What are reference tools?
Reference sources are sources that provide a background or overview of a concept or material. The sources to the left are good places to go to get general information about a material, process, or patent.