Research Guides: Chem 300: Chemical Literature: Patents

Patents

U.S. Patent and Trademark Office: The federal agency for granting U.S. patents and registering trademarks. Search the U.S. Patent Full-text and Image Database (PatFT).
European Patent Office (EPO): The patent office for Europe. Search its worldwide patent coverage with Espacenet Patent search and Espacenet Cooperative Patent Classification.
Lens.org: Search, save, and manage patent records.
Google Patents: Search and read the full text of patents from around the world with Google Patents.
World Intellectual Property Organization (WIPO): Search PATENTSCOPE.
SureChEMBL: Searchable by chemical structure. Open patent data.

What every chemist should know about patents (2019): An introductory guide published by ACS.
Patents and Patentability (University of Minnesota Libraries)
Patent searching: A tutorial (University of Minnesota Libraries): A tutorial on U.S. Patent searching with Google Patents and the U.S. Patent Office.