IFIREF
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Description:
The IFI Uniterm and U.S. Class Reference file is a special reference file for the other IFI files. IFIREF contains U.S. Patent Office (USPTO) classification codes and titles, plus authority data for general, fragment and compound Uniterms. Sources for IFIREF include the USPTO Manual of Classification, Uniterm Authority Lists, and IFI Compound Term Vocabulary. Classification codes, indexing terms, chemical names, molecular formula information, national patent classification codes, and Uniterm codes are all searchable. There are 3 thesauri available: Controlled Term (/CT), Fragment Code (/FG), and Uniterm (/UN). Producer: IFI CLAIMS(R) Patent Services, |
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