Cellulose derivative plastic composition

Claim 1

A THERMOPLASTIC MOLDING POWDER COMPRISING A MAJOR PROPORTION OF A THERMOPLASTIC CELLULOSE ESTER AND A MINOR PROPORTION OF A PLASTICIZER THEREFORE, SAID PLASTICIZER COMPRISING AT LEAST 50% BY WEIGHT OF A COMPOUND COMPATIBLE THEREWITH AND CAPABLE OF POLYMERIZATION PER SE TO A NONTHERMOPLASTIC MATERIAL, SAID COMPOUND BEING AN ORGANIC ESTER HAVING AT LEAST ONE ESTER LINKAGE, SAID ESTER HAVING AT LEAST ONE ESTER GROUP >CH=CH2 AND AT LEAST ONE OTHER POLYMERIZABLE GROUP CONTAINING AN OLEFINIC DOUBLE BOND SEPARATED THEREFROM BY AT LEAST ONE INTERVENING ESTER LINKAGE SO THAT THE DOUBLE BONDS DO NOT FORM A CONJUGATED SYSTEM, SAID MOLDING POWDER BEING FREE OF POLYMERIZATION CATALYST AND ESSENTIALLY CONTAINING ABOUT 0.1% TO ABOUT 5% OF AN INHIBITOR OF THE GROUP CONSISTING OF PHENOLS, AROMATIC PRIMARY AMINES, AROMATIC SECONDARY AMINES, AND AMINO-SUBSTITUTED PHENOLS BASED ON THE WEIGHT OF SAID MOLDING POWDER TO MAINTAIN THERMOPLASTICITY AT MOLDING TEMPERATURES.