530 / | HD | CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF |
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200 | DF | NATURAL RESINS OR DERIVATIVES (E.G., WOOD OR PINE TAR; CATIVO RESIN DERIVATIVES, ETC.) {6} |
210 | DF | .~ Rosin or derivative used as starting material in process, or product thereof (e.g., using gum rosin, wood rosin, solid tall oil rosin, etc.) {10} |
215 | DF | .~.~ Esterification of rosin or derivative via carboxyl group, or product thereof {3} |
216 | | .~.~.~ Chemical treatment or color modification of esterified rosin or derivative, or product thereof (e.g., partial saponification of rosin triglycerides; removal of color bodies from rosin esters, etc.) |