Product News

DWPI Databases (WPINDEX, WPIDS, WPIX) Enhanced with Numerical Property Search Feature

April  16th,   2012

The Numerical Property Search feature in the Derwent World Patent Index (WPINDEX, WPIDS and WPIX) on STN enables numerical searches to be performed for a specific set of physical property data identified within the English text fields.

Search field codes and related text for all physical properties available for numerical property searches have been indexed in the /PHP search field. Details on the newly available search fields and units are listed under HELP NPS. 

For further information, please contact your local STN Help Desk.

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