Portfolio comparison
LG Chem Ltd vs William F. Semple
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
LG Chem Ltd
Patents indexed
1
Year range
2024
Most recent
2024
consumer_electronicsmaterialssemiconductors
Top Patents1 enriched
US 12031028· 2024
How LG Chem Makes Plastic Films That Block UV Light
Activity by Decade
2020s1
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
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