Patent classifications
D
TEXTILES; PAPER
Load children
D01
NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
Load children
D01F
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
Load children
1/00
General methods for the manufacture of artificial filaments or the like
Load children Filter patents View analytics View as hierarchy
D01F1/02
Addition of substances to the spinning solution or to the melt
Load children Filter patents View analytics View as hierarchy
D01F1/08
for forming hollow filaments
Filter patents View analytics View as hierarchy