JH

John E. Hallgren

GE: 35 patents #551 of 36,430Top 2%
📍 Scotia, NY: #18 of 414 inventorsTop 5%
🗺 New York: #3,219 of 115,490 inventorsTop 3%
Overall (All Time): #99,493 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4377684 Decolorization of polycarbonate resins Donald A. Bolon 1983-03-22
4377706 Polyalkoxysilylenolethers 1983-03-22
4361519 Catalytic aliphatic carbonate process 1982-11-30
4360477 Carbonylation of alkanols Gary M. Lucas 1982-11-23
4349485 Catalytic aromatic carbonate process using manganese tetradentate redox co-catalysts 1982-09-14
4260802 Catalytic aromatic salicylate process 1981-04-07
4234504 Carbonylation process William E. Smith 1980-11-18
4221920 Aromatic salicylate process 1980-09-09
4201721 Catalytic aromatic carbonate process 1980-05-06
4197394 Method for making cyclic carbonates and polymers therefrom 1980-04-08