Using PatentPak Interactive

Many patents in PatentPak® have been annotated with page numbers by CAS analysts to help identify locations of the most important chemistry. For these patent documents, the PatentPak viewer will include a sidebar on the left that displays the Key Substances in Patent. To access the viewer, click the PatentPak Interactive link that appears in your answer set display.

The Key Substances sidebar provides:

Use the PatentPak toolbar to:

Key Substances     [Top of page]


Location Markers     [Top of page]


Navigate pages and zoom display     [Top of page]


Download PDF     [Top of page]



When you use the option to download the patent PDF, the location markers are included in the PDF, such as the markers and shown below.


The key substance information is appended to the patent PDF in the form of a table, as shown below.

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What is PatentPak?

Accessing full-text patent PDFs


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