Portfolio comparison
Oxy Catalyst Inc vs Merck and Co Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 2742437· 1956
How Eugene Houdry Invented the Modern Catalytic Converter
Activity by Decade
1950s1
Top Patents1 enriched
US 4231938· 1980
The Discovery of Lovastatin for Lowering Cholesterol
Activity by Decade
1980s1
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