FC

Francis M. Callahan

AC American Cyanamid: 2 patents #617 of 1,554Top 40%
📍 Stony Point, NY: #21 of 62 inventorsTop 35%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,359,419 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4468385 Poly-cation salts of 4-O-poly-hexaose-thio-alkylene sulfate derivatives and method of use Thomas G. Miner, Seymour Bernstein 1984-08-28
4402944 Polysulfonate Sennoside A & B compounds and method of use Seymour Bernstein 1983-09-06