Patents that have been annotated by CAS analysts to help identify locations of the most important chemistry are viewable in the PatentPak Interactive Viewer. The Viewer includes a sidebar on the left that displays the Key Substances in the patent. To access the Viewer, either click the PatentPak Interactive Viewer link or a page number link displayed in your answer set.
Use the Key Substances in Patent sidebar to:
- Identify the CAS Registry Numbers and view the structures for key substances.
- Jump directly to the Analyst Markup Location for the substance in the marked patent document.
Use the PatentPak toolbar to:
- Navigate to the pages in the marked patent and zoom the display.
- Jump to the first claim in the patent (for US, CN, WO, KR, and JP patents with Viewer support).
- Download the marked patent as a PDF file with or without the location markers and key substance information.
Key Substances
Location Markers
Navigate to Pages and Zoom Display
Jump to Claims
For select patents, the PatentPak viewer displays a Jump To Claims link; clicking this link takes you to the first claim in the patent.