Portfolio comparison
Allergan Inc vs Constantin Fahlberg
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 9402913· 2016
Combining Cyclosporine A and Steroids into a Single Hybrid Drug
Activity by Decade
2010s1
Company B
Constantin Fahlberg
Patents indexed
1
Year range
1885
Most recent
1885
biotechchemical_manufacturing
Top Patents1 enriched
US 319082· 1885
How Constantin Fahlberg Discovered Saccharin
Activity by Decade
1880s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.