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Derwent innovations index.
Derwent Innovations Index Available
View online- Format:
- Database & Article Index
- Website/Database
- Language:
- English
- Subjects (All):
- Chemical engineering--Patents--Databases.
- Chemical engineering.
- Electrical engineering--Patents--Databases.
- Electrical engineering.
- Mechanical engineering--Patents--Databases.
- Mechanical engineering.
- Patents--Indexes.
- Patents.
- Patents--Databases.
- Chemical engineering--Patents.
- Genre:
- Patents.
- Databases.
- Indexes.
- Physical Description:
- Also available in print
- Update weekly
- Place of Publication:
- Philadelphia, Pa. : Institute for Scientific Information, 200u-
- System Details:
- Mode of access: World Wide Web.
- text file
- Summary:
- The Derwent Innovations Index, available through the ISI Web of Science interface, 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.
- Notes:
- Description based on: Derwent Innovations Index (viewed Feb. 6, 2002); title from title screen.
- Contains:
- Derwent world patents index.
- Derwent patents citation index.
- OCLC:
- 48939343
- Access Restriction:
- Restricted for use by site license.
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