JK

John R. Kosak

EA E.I. Du Pont De Nemours And: 6 patents #1,240 of 8,010Top 20%
📍 Wilmington, DE: #787 of 3,182 inventorsTop 25%
🗺 Delaware: #1,571 of 7,163 inventorsTop 25%
Overall (All Time): #890,585 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5449780 Process for the preparation of 1,3- and 1,5-dialkylpiperidone-2 1995-09-12
5217582 Process for the isolation of alkyl glyoxylate George E. Heinsohn, John Kook, Rudolf E. Svadlenak 1993-06-08
5117008 Solvent scrubbing recovery of lactide and other dimeric cyclic esters Kamlesh Kumar Bhatia, Neville Everton Drysdale 1992-05-26
4760187 Process for reducing chloronitrobenzenes using ruthenium with a minor amount of platinum as the catalyst 1988-07-26
4698438 Process for the preparation of methyl carbamates and thioimidates Charles T. Blaisdell, Walter J. Cordes, George E. Heinsohn, John Kook 1987-10-06
4603016 Cryogenic brine separation of water and isocyanates John Kook 1986-07-29