Chemical Information Sources/SIRCh/Chemical Patent Searches

SIRCh: Selected Internet Resources for Chemistry

Free Patent or Trademark DatabasesEdit
Search Sites Requiring RegistrationEdit
  • Delphion
  • SurfIP (offers access to multiple patent and other sources; International Patent Office of Singapore)
  • WikiPatents (a public community that reviews US patents and pending patent applications)
Commercial Patent DatabasesEdit
Patent Classification, Country, and Kind CodesEdit
Introduction to PatentsEdit
Last modified on 27 February 2013, at 18:59