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
Alkaline and water soluble articles and method of making same
Biodegradable, liquid impervious films
Compostable thermoplastic compositions
Disposable absorbent articles with biodegradable backsheets
Multilayer film coating for rigid, smooth surfaces
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