Portfolio comparison
PPG Industries vs 0912139 B C Ltd
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 RE46892· 2018
The Design of a Specialized Pouch for Men's Underwear
Activity by Decade
2010s1
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