Inventor
CLARKE DONALD H
US4 patents
⚠️ This page may combine multiple inventors who share the name “CLARKE DONALD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DOW CHEMICAL CO
3 patentsUS4519816AMay 28, 1985
Method for the recovery of solvent vapors
DOW CHEMICAL CO20 citations78
US4335219AJun 15, 1982
Process for reacting isocyanates in the presence of quaternary ammonium zwitterions
DOW CHEMICAL CO25 citations78
US4390644AJun 28, 1983
Isocyanurate foams using a sulfonium zwitterion/metal carbonylate mixture as catalyst
DOW CHEMICAL CO9 citations70