Portfolio comparison
AstraZeneca AB vs William F. Semple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 12365678· 2025
How to Manufacture a Complex Cancer-Fighting Drug Molecule
Activity by Decade
2020s1
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
How to use
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