Portfolio comparison
Econnectix LLC vs EI Du Pont de Nemours and Co
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents0 enriched
No enriched patents yet.
Activity by Decade
2000s1
Company B
EI Du Pont de Nemours and Co
Patents indexed
2
Year range
1938 – 1972
Most recent
1972
materials-sciencetextilespolymer-chemistrymanufacturingconsumer-goods
Top Patents2 enriched
US 2130948· 1938
Nylon — The First Synthetic Fiber, Invented at DuPont
US 3671542· 1972
Kevlar — The Fiber Five Times Stronger Than Steel, Invented by Accident
Activity by Decade
1930s1
1970s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.