CK

Charles E. Koehler

TU The Upjohn: 4 patents #111 of 528Top 25%
The Dow Chemical: 3 patents #1,092 of 4,115Top 30%
Overall (All Time): #766,425 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5312888 Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof John L. Nafziger, Steven B. Lowenkron, Bruce Stevens 1994-05-17
5290818 Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof John L. Nafziger, Steven B. Lowenkron, Bruce Stevens 1994-03-01
4904704 Rigid foams prepared from treated toluene diisocyanate residue John L. Nafziger, Steven B. Lowenkron, Debkumar Bhattacharjee 1990-02-27
4339343 Novel process and product Thomas R. McClellan, Pat L. Murray 1982-07-13
4289858 Polyol-fluorocarbon-aminetriol blend and polyisocyanurate foams therefore Thomas R. McClellan, Pat L. Murray 1981-09-15
4256802 Process for polyisocyanurate foams suitable for panels Thomas R. McClellan, Pat L. Murray 1981-03-17
4246364 Process for polyisocyanurate foams based on an amide-diol blend Thomas R. McClellan, Pat L. Murray 1981-01-20