IPN Dialog Select Dialog Web Discovery Innovations Index Questel. Features In common with Derwent WPI , Derwent Innovations Index covers pharmaceutical patents from 1963, agricultural and veterinary medicine from 1965, plastics and polymers from 1966, all chemistry from 1970, electronics, electrical and mechanical engineering from 1974. Comprehensive coverage of all technologies from 1974. Each DII record provides a comprehensive global picture of the invention. English-language Derwent abstracts with enhanced titles.
All records contain patent family information, including non-convention members.
Links to Web of Science are available through the literature citations from patents in, Derwent Innovations Index and cited patents in the Web of Science will link to Derwent Innovations Index from the Web of Science Timeliness is two to ten weeks from issue date, for major patent-issuing authorities. A full listing of Derwent Innovations Index Version 2.0 features is available. Complementary Products Derwent World Patents Index the world's most comprehensive online database of patent information. Derwent Patents Citation Index for examiner and author citations. Further Information You can sign up for a free trial of version Derwent Innovations Index Version 2.0 now.