Portfolio comparison
Chiron Ophthalmics Inc vs George B. Selden
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Chiron Ophthalmics Inc
Patents indexed
1
Year range
1993
Most recent
1993
pharmaceuticalbiotechmaterials
Top Patents1 enriched
US 5272135· 1993
Preventing Protein Damage with Extra Methionine
Activity by Decade
1990s1
Top Patents1 enriched
US 549160· 1895
George Selden's 1895 Patent for a Road Engine
Activity by Decade
1890s1
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