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USPTO Patent Rankings Data through Dec 31, 2025
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Henri Neel — 3 Patents

ATAtochem: 2 patents #117 of 347Top 35%
Le Havre, FR: #65 of 265 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Henri Neel has been granted 3 US patents while listed as an inventor at Atochem. The first was granted in 1986 and the most recent in January 1991. Henri Neel ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Henri Neel in Le Havre, FR.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4983260 Process for concentrating aqueous ethylene oxide solutions Francis Delannoy 1991-01-08
4622104 Process for the recovery of ethylene glycol in concentrated form Francis Delannoy 1986-11-11
4597833 Process for the removal of dissolved gas from an aqueous solution of ethylene oxide Francis Delannoy 1986-07-01