Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
Inventor
active
2-hydrocarbyl-3,6-dichloropyridine compounds
2-hydrocarbyl-3,6-dichloropyridines and their preparation
Process for preparing ion exchange resins by chloromethylation o
Process for preparing phosphorothioates and phosphonoates in a t
Transesterification using phase transfer catalysts
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