D
SECTION D — TEXTILES; PAPER
  
TEXTILES OR FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
 D01
NATURAL OR ARTIFICIAL THREADS OR FIBRES; SPINNING (metal threads B21; fibres or filaments of softened glass, minerals, or slag C03B 37/00; yarns D02)
 D01

Note(s)

In this class, the following terms are used with the meanings indicated:

  • "fibre" means a relatively-short, elongated member of natural or artificial material;
  • "filament" means an endless or quasi-endless, elongated member of natural or artificial material;
  • "yarn" means a unitary assembly of fibres, usually produced by spinning;
  • "thread" means an assembly of yarns or filaments, usually produced by twisting.

 D01C
CHEMICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
 D01C

Note(s)

  1. Attention is drawn to the Note following the title of class D01.
  2. Processes using enzymes or micro-organisms in order to:
    1. liberate, separate or purify a pre-existing compound or composition, or to
    2. treat textiles or clean solid surfaces of materials
    are further classified in subclass C12S.  [5]
 D01C 1/00
Treatment of vegetable material
 D01C 1/02
·  by chemical methods to obtain bast fibres
 D01C 1/04
·  Bacteriological retting
 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
 D01C 5/00
Carbonising rags to recover animal fibres (chemical removal of vegetable impurities from threads or fabrics of animal fibres D06M)