CA/CAplus enhanced with additional kind codes for German patents
27. May 2007
Additional kind codes for patents from the German Patent and Trade Mark Office (DE) have been added to CA/CAplus:
- A9 - Corrected Complete Specification
- B9 - Corrected Complete Specification (Granted Patent)
- C9 - Corrected Complete Specification (Revised Patent)
- T5 - Translation of Publication of International Application
- U9 - Corrected Complete Specification (Utility Model
These patent kind codes are used for selection of patent family members - they are not used for selection of basic patents.
For additional information, visit Patent Coverage in Chemical Abstracts (http://www.cas.org/expertise/cascontent/caplus/patcoverage/index.html) or refer to the CA/CAplus Database Summary Sheets on our Database List or STNGUIDE.

