Chester E Ramey

Hindered piperidine carboxylic acids, metal salts thereof and stabilized compositions

Alkyl alkanoate derivatives of substituted piperazines and polymer compositions stabilized thereby

Substituted piperazinedione carboxylic acids and metal salts thereof

Substituted piperazine diones and polymeric compositions stabilized thereby

Substituted piperazine dione oxyls and hydroxides and polymer compositions stabilized thereby

Certain dioxopiprazinyl-alkyl-phenols

Hindered piperidine carboxylic acids and metal salts thereof

Metal salts of hindered piperidine carboxylic acids and stabilized compositions

Piperidyl esters of higher di-tri-, and polybasic aliphatic carboxylic acids as stabilizers for polymeric materials

Compositions stabilized with bicyclic hindered amines