Portfolio comparison
PPG Industries vs Purdue Pharma LP
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
PPG Industries
Patents indexed
1
Year range
1981
Most recent
1981
chemicalenergymanufacturingmaterialsindustrial_process
Top Patents1 enriched
US 4253922· 1981
How a Special Carbon-Fluorine Catalyst Makes Chlorine and Caustic Soda
Activity by Decade
1980s1
Top Patents1 enriched
US 7993644· 2011
Using Antibodies to Target Tissue Factor Without Stopping Blood Clotting
Activity by Decade
2010s1
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