Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
Inventor
active
Biodegradable compositions comprising poly(cycloaliphatic...
Biodegradable compositions comprising poly(cycloaliphatic...
Biodegradable polymers chain-extended by phosphates, composition
Biodegradable polymers chain-extended by phosphates,...
Biodegradable terephthalate polyester-poly (phosphate)...
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