Portfolio comparison
PPG Industries vs GTE Laboratories Inc
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
Company B
GTE Laboratories Inc
Patents indexed
1
Year range
1990
Most recent
1990
ai_mlsoftwaresemiconductors
Top Patents1 enriched
US 4914603· 1990
How to Speed Up Neural Network Training Using Momentum
Activity by Decade
1990s1
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