CHEM 60533 — Advanced Analytical Chemistry

0. Documents - Topic
1. Search for at least two concepts
2. Refine Results (left column) - Document Types - Review Articles

0. Explore (top, left of page) - References - Research Topic
1. Search for at least two concepts
2. Analyze by: (left column) - Document Type - Review or General Review
3. Look at both types because one is for the Chemical Abstracts records and one is for the MEDLINE records.

0. Quick search
1. Search for at least two concepts
2. Select the documents result that has the terms you want
3. Filters (left column) - Document Type - Review - Limit to

Patents are filling a gap in the state of the art. The description section of the patent is a statement of the current state of the art and it will often identify the gap the patent is trying to fill.