Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
Inventor
active
Method of preparing a hybrid of polyvinylimidazole and silica
Modifier and a method for improving the flexibility of a...
Polysiloxaneurethane-poly(acrylic acid)/polyacrylate...
Process for preparing poly(urea-urethane)
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