Commercial Databases

Derwent Innovations Index

Derwent Innovations Index(DII) covers over 14.3 million basic inventions from almost 60 worldwide patent-issuing authorities. It facilitates rapid, precise patent searching, letting you conduct patent and citation searches of inventions in chemical, electrical, electronic, and mechanical engineering. Note: DII use the same platform as Web of Science, please choose Derwent Innovations Index in the area of "Select a database".

PatSnap

The PatSnap Global Patent Database deeply integrates over 140 million patent records from 116 countries and regions worldwide, dating from 1790 to the present. It includes features such as advanced search, full-text translation, patent value assessment, citation analysis, and patent mapping.

NOTE: Registration is required. Please use XJTLU email address (e.g. @*.xjtlu.edu.cn) to register. Registration link

Reaxys

Reaxys has extensive coverage of quality, authoritative information in organic, inorganic and organometallic chemistry. Expert chemists carefully select facts from journals and patents so that only high-quality, experimental data are included in Reaxys.

SciFinder Discovery Platform

NOTE: Registration is required. You may use your account in Scifinder if you have already registered. Otherwise, please use XJTLU email address (e.g. @*.xjtlu.edu.cn) to register. Refer to the PDF icon for the registration URL and instruction for use.
SciFinder-n is a new generation of SciFinder. It offers easy ways to search all reactions, substances and references at once. Retrosynthesis planning(new function) is a computer-aided synthetic design tool that helps generating and organizing synthetic routes for a given molecule.
A series of informative webinars were designed to help you get the most out of SciFinder-n: https://www.cas.org/about/events/scifinder-webinars

Patent Retrieval Websites

Official Websites of National Intellectual Property Offices / Organizations