Patent ID: 8440099

Claim:
A stabilized composition consisting essentially of an unsaturated hydrocarbon-based precursor material, and a nitroxyl radical based stabilizer, the unsaturated hydrocarbon-based precursor material is selected from the group consisting of 2,5-Norbornadiene (NBDE) and Norbornene; and the nitroxyl radical based stabilizer has a structure: wherein: raised period “•” denotes one unpaired electron; R 1 through R 4 are independently selected from a straight chained or branched, substituted or unsubstituted, alkyl or alkenyl group; wherein the substituted group comprises oxygen-containing groups selected from the group consisting of hydroxyl, carbonyl, alkoxide, and carboxylic group; and R 5 and R 6 are independently selected from a straight chained or branched, a substituted or unsubstituted, alkyl group or alkenyl group; wherein the stabilizer is present in the range of 1000 to 5,000 ppm.