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New on STN

January 2020

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

December 2019

Derwent World Patents Index: Manual Code revision 2020

December 2019

New Korean Patent Full-Text Database KRFULL released

STN User Meetings

Munich, 20.05.2020

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Database List A-Z

Databases

Databases in category "H"

HCA   The CA file with hour-based pricing 

HCAPLUS   CA, CAPREVIEWS plus more with hour-based pricing 

HCHEMLIST   Regulated Chemicals Listing with hour-based pricing 

HCIN   The CIN file with hour-based pricing