C - Chemistry – Metallurgy – 07 – D
Inventor
C - Chemistry, Metallurgy
07
D
Inventor
5-(2-hydroxy-n-propoxy)-4-oxo-8-n-propyl-4h-1-benzopyran-2-c...
A blowing agent containing catalyst precursor for the...
Anti-asthmatic pharmaceuticals
Basic amino salts of 2-carboxy or 2-tetrazolo- chromones
Benzopyrans
Compositions of polytetramethylene ether glycols and...
Fare collecting box
Low-density, water-blown, rigid polyurethane foams having...
Open cell rigid polyurethane foams containing lithium salts...
Polyol composition having good flow and formic acid blown...
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