STN Viewer is no longer available.
As an alternative, we recommend PatentPak®, a new patent workflow solution integrated with classic STN®.
- Instant connection to searchable, full-text patents from major patent offices that span the globe
- Superior patent family coverage with access to alternative language versions of a patent
- Direct links to key substances, including both name and structure substances, in the source patent
Click here for more information on PatentPak.
Contact the CAS Customer Center
for more information about PatentPak.