Research Guides: Chemistry: Patents

Patents

Google Patents
Keyword searching available on patents back to 1790. Includes European patents (EPO) from 1978-present. Does not include other international patents, applications or patents granted very recently.

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Google Patent faqs can be found here: https://support.google.com/faqs/answer/7049475
U.S. Patent and Trademark Office
Resource includes images of patents from 1790 that can be searched using the patent number. Keyword searching is available for patents from 1976 - present. Quick and advanced search capabilities are available.

SciFinder

Search Chemical Abstracts. Also access CAS Registry of 20M+ substances and Medline.
You must register for SciFinder before you can use it.

European Patent Office
Comprehensive, free patent database containing more than 60 million patents from over 80 countries. Contains patent applications as well as granted patents. The starting date of patent inclusion varies by country.
Europe PMC
Use the "advanced search" function to limit search to patents.
EMBL-EBI Patent Data Resources
EMBL-EBI tools to search patent abstracts, chemical compounds, and sequences.

For information from the ACS about patents visit:

including the recommended reading: "What Every Chemist Should Know About Patents" (fourth edition).

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