FW

Frank J. Weigert

EA E.I. Du Pont De Nemours And: 30 patents #130 of 8,010Top 2%
📍 Wilmington, DE: #106 of 3,182 inventorsTop 4%
🗺 Delaware: #211 of 7,163 inventorsTop 3%
Overall (All Time): #126,116 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4754084 Preparation of substituted fluorobenzenes 1988-06-28
4734503 Catalytic transhalogenation of haloaromatics 1988-03-29
4593124 Process for preparing a mixture of methyl- or ethyl-substituted primary anilines 1986-06-03
4313003 Preparation of dimethylamine 1982-01-26
4254061 Preparation of monomethylamine 1981-03-03