Xylene-formaldehyde resin compositions and process
Ytterbium(iii) acetylacetonate as a catalyst for the...
Zeolite modified water-blown polyurethane foams
Zinc chelates of terephthaloyl-terephthal/oxal copolyhydrazide
Zinc chloride resistant nylon
Zinc-containing solid catalyst, process of preparing same...
Zirconium and hafnium containing polymers and process for...
Zirconium and hafnium-catalyzed polymerization of...
Zwitterionic polyamines and a process for their production
–-mono-olefin grafted polymer, a process for its...