IPC 2013 : D01F 4/04 : from casein.

IPC2013 > D > D01 > D01F > D01F 4/00 > D01F 4/04[1] > from casein.
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.
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS.
D01F 4/00 Monocomponent artificial filaments or the like of proteins; Manufacture thereof.
D01F 4/04 · from casein.