New on STN

January 2020

Changes to Derwent WPI Update numbering and the total number of annual DWPI updates

Derwent World Patents Index: Manual Code revision 2020

New Korean Patent Full-Text Database KRFULL released

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Databases in Focus

Chemical Abstracts Plus
(CAplus^SM) and CAS REGISTRY^SM

Derwent World Patents Index (DWPI)
and Derwent Markush Resource (DWPIM)

INPAFAMDB

STN User Meetings

Munich, 20.05.2020

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News Messages 2020

Changes to Derwent WPI Update numbering and the total number of annual DWPI updates	10. January 2020
As the total number of DWPI updates per year will move to 104 from 2020 onwards, the numbering format for fields /DW (DWPI Update, formerly known as Derwent Week), and /DUPD (DWPI Update, first and latest) has to be adjusted. From the first update of DWPI in 2020, the format increased in length...

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