Search History

Click the History button at the top of a page to view your past searches.

The History page displays your unique structure/text patent, structure/text substance, and Markush structure searches:

Notes

What is saved for past searches?

Patent Text Search

From an original search on the Simple or Advanced tabs:

Patent Structure Search

From an original search on the Substances > Structure Search tab (with Search for: Patents selected) or Patents > Chemical tab > Structure Search tab (with Search for: Patents selected) using the CASDraw drawing tool (draw, import, or model a structure with RN): structure query and structure type of As Drawn or Substructure

Substance Text Search

From an original search on the Substances > Text Search tab using a CAS Registry Number, Substance Name, InChi or SMILES string, or uploaded molfile:

Substance Structure Search

From an original search on the Substances > Structure Search tab using the CASDraw drawing tool (draw, import, or model a structure with RN): structure query and structure type of As Drawn, Substructure, or Similarity

Markush Search

From an original search on the Substances > Structure Search tab (with Search for: Markush selected) or Patents > Chemical tab > Structure Search tab (with Search for: Markush selected) using the CASDraw drawing tool (draw, import, or model a structure with RN): structure query and structure type of As Drawn or Substructure

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