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Derwent innovations index

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Broad Subject Chemistry
Electrical & electronic engineering
General - Engineering & Technology
Mechanical engineering
Subject Chemical engineering - Patents - Databases
Electrical engineering - Patents - Databases
Mechanical engineering - Patents - Databases
Patents - Indexes - Databases
Patents - Databases
Summary The Derwent innovations index, is a web-accessible product that merges the Derwent world patents index with the Derwent patents citation index. It covers over ten million basic inventions - 18 million patents in all - from over 40 patent-issuing authorities. With coverage dating back to 1963, this resource gives users a comprehensive and international overview of inventions in three categories: chemical, electronic and electrical engineering, and mechanical engineering.
Publisher Institute for Scientific Information
Frequency Update weekly
Language English
Warning: Use of the files is restricted to purposes of research and education only. Other uses and excessive downloading are strictly prohibited. Violators will lose library privileges, face disciplinary actions and may be prosecuted.
Available at :
Click to start searching via Web of Science
Authorized remote access from Current HKU staff and students
HKU SPACE
Format Copyrights & patents
Location Web Mounted
Coverage 1963-

 

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