CAS Scientific Patent Explorer Limits

Certain limits apply to various CAS Scientific Patent Explorer operations. Some of the most common are listed below.

Results Download

Patents

File Type Maximum Number at One Time

Portable Document Format (*.pdf)

10 full-text patent PDFs

Excel (*.xlsx)

5000 patent records

Word

5000 patent records

XML

5000 patent records

CSV

5000 patent records

Structure Drawing

A structure drawing is limited to 252 nodes and 251 bonds.

Substance Query

Text: Up to 1000 characters (including spaces).

Patent Query

Simple: Up to 1500 characters (including spaces).

Combine Searches

Searches (S#) that may be combined: Up to 20.

Projects: Up to 20.

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