IPC 2013 : D01C 3/02 : De-gumming silk.

IPC2013 > D > D01 > D01C > D01C 3/00 > D01C 3/02[1] > De-gumming silk.
Notes[t] D01 - D07: TEXTILES OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D SECTION D — TEXTILES; PAPER.
D01 NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING.
D01C CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES.
D01C 3/00 Treatment of animal material, e.g. chemical scouring of wool (recovery of lanolin or wool wax C11B 11/00).
D01C 3/02 · De-gumming silk.