IPC 2013 : D01F 9/21 : from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds.

IPC2013 > D > D01 > D01F > D01F 9/00 > D01F 9/21[5] > from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds.
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 9/00 Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments.
D01F 9/21 · · · · · from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds.