sulfur atom (class / ) applied material is biocidal or disinfecting (class / ) inhibiting chemical or physical change of food by contact with a change inhibiting chemical agent other than an antioxygen agent (class / ) treatment with heavy metal or compound thereof (class / ) chemical agent is impregnated...
addition polymer from unsaturated monomers (class / ) of aldehyde or ketone condensation product (class / ) of carbohydrate (class / ) of inorganic material (class / ) of b, n, p, s, or metal-containing material (class / ) metal continuous phase interengaged with nonmetal continuous phase (class / ) impregnated...