Selected resources including journals, databases, ebooks, reference works, etc., for research in chemistry, including: analytical, organic, inorganic, biological, and physical chemistry.
If you intend to make, use, or sell an invention of yours, you should find out whether someone else has created something like it already. You have a number of options when it comes to searching for patents. Below are some patent searching sites.
Derwent Innovations Index facilitates rapid, precise patent searching and merges the value-added patent information from Derwent World Patents Index with the patent citation information from Derwent Patent Citation Index.