Categories

CN3913

39 Plastics and Articles Thereof

3913 (01/1988-..) Natural Polymers, E.g. Alginic Acid, and Modified Natural Polymers, E.g. Hardened Proteins, Chemical Derivatives of Natural Rubber, N.e.s., in Primary Forms

39131000 (01/1988-..) Alginic Acid, its Salts and Esters, in Primary Forms

39139000 (01/2004-..) Natural Polymers and Modified Natural Polymers, E.g. Hardened Proteins, Chemical Derivatives of Natural Rubber, N.e.s., in Primary Forms (Excl. Alginic Acid and its Salts and Esters)

39139010 (01/1988-12/2003) Chemical Derivatives of Natural Rubber, in Primary Forms

39139020 (01/1992-12/2003) Amylopektin, in Primary Forms

39139030 (01/1992-12/2003) Amylose, in Primary Forms

39139080 (01/1992-12/2003) Natural Polymers and Modified Natural Polymers, E.g. Hardened Proteins, N.e.s., in Primary Forms (Excl. Chemical Derivatives of Natural Rubber, Alginic Acid, its Salts and Esters, and Amylopektin and Amylose)

39139090 (01/1988-12/1991) Natural Polymers and Modified Natural Polymers, E.g. Hardened Proteins, N.e.s., in Primary Forms (Excl. Chemical Derivatives of Natural Rubber, Alginic Acid and Salts and Esters Thereof)