D
SECTION D — TEXTILES; PAPER
  
PAPER
 D21
PAPER-MAKING; PRODUCTION OF CELLULOSE
 D21H
CARDBOARD; PAPER; THEIR MANUFACTURE NOT COVERED BY SUBCLASS D21F
 D21H 1/00
Paper; Cardboard (fibreboard D21J)
 D21H 1/00

Note(s)

Layered products classified in this group are also classified in subclass B32B.

 D21H 1/02
·  Multi-ply material
 D21H 1/04
·  ·  by using an adhesive
 D21H 1/06
·  ·  Apparatus
 D21H 1/08
·  ·  with incorporated laminae of threads or fabric
 D21H 1/10
·  preparing by applying substances to finished paper or cardboard (processes D21H 5/00)
 D21H 1/12
·  ·  metallised
 D21H 1/14
·  ·  ·  by applying metal foil
 D21H 1/16
·  ·  ·  by applying liquid or powdered metal
 D21H 1/18
·  ·  ·  by applying metal vapour
 D21H 1/20
·  ·  ·  by electrolytic deposition of metal
 D21H 1/22
·  ·  with pigmented coatings; with pigmented coatings based essentially on specified materials
 D21H 1/24
·  ·  ·  vegetable materials, e.g. starch, vegetable protein
 D21H 1/26
·  ·  ·  animal products, e.g. animal glue
 D21H 1/28
·  ·  ·  synthetic materials
 D21H 1/30
·  ·  ·  ·  cellulose derivatives
 D21H 1/32
·  ·  ·  ·  polyvinyl alcohol
 D21H 1/34
·  ·  with non-pigmented coatings
 D21H 1/36
·  ·  ·  waxes
 D21H 1/38
·  ·  ·  water-soluble organic materials
 D21H 1/40
·  ·  ·  water-insoluble organic compounds
 D21H 1/42
·  ·  ·  ·  cellulose derivatives
 D21H 1/44
·  ·  ·  natural resins
 D21H 1/46
·  ·  by dyeing
 D21H 1/48
·  ·  after-treated
 D21H 3/00
Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine (processes for adding substances D21D 3/00)
 D21H 3/00

Note(s)

In this group, in the absence of an indication to the contrary, a compound is classified in the last appropriate place.

 D21H 3/02
·  by adding compounds or mixtures essentially based on organic compounds
 D21H 3/04
·  ·  hydrocarbons or waxes
 D21H 3/06
·  ·  ·  bitumen
 D21H 3/08
·  ·  carboxylic acids; salts, esters, anhydrides, or halides thereof
 D21H 3/10
·  ·  ·  fats or fatty oils
 D21H 3/12
·  ·  amino-compounds or quaternary ammonium compounds
 D21H 3/14
·  ·  proteins or hydrolysates thereof
 D21H 3/16
·  ·  sulphates or sulphonates
 D21H 3/18
·  ·  lignin derivatives, e.g. sulphite lye
 D21H 3/20
·  ·  polysaccharides; derivatives thereof
 D21H 3/22
·  ·  ·  cellulose derivatives
 D21H 3/24
·  ·  ·  ·  cellulose esters
 D21H 3/26
·  ·  ·  ·  cellulose ethers
 D21H 3/28
·  ·  ·  starch; derivatives thereof
 D21H 3/30
·  ·  ·  alginic acid; derivatives thereof
 D21H 3/32
·  ·  natural or synthetic resins
 D21H 3/34
·  ·  ·  natural resins; derivatives thereof
 D21H 3/36
·  ·  ·  synthetic resins
 D21H 3/38
·  ·  ·  ·  macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
 D21H 3/40
·  ·  ·  ·  ·  of hydrocarbons
 D21H 3/42
·  ·  ·  ·  ·  of halogenated hydrocarbons
 D21H 3/44
·  ·  ·  ·  ·  of unsaturated alcohols or esters
 D21H 3/46
·  ·  ·  ·  ·  of unsaturated nitriles
 D21H 3/48
·  ·  ·  ·  macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
 D21H 3/50
·  ·  ·  ·  ·  from aldehydes or ketones with phenols
 D21H 3/52
·  ·  ·  ·  ·  from aldehydes with compounds containing hydrogen attached to nitrogen (with aminophenols D21H 3/50)
 D21H 3/54
·  ·  ·  ·  ·  ·  with acyclic compounds containing at least once the configuration , in which X is O, S, or NH
 D21H 3/56
·  ·  ·  ·  ·  ·  with substituted triazines, e.g. melamine
 D21H 3/58
·  ·  ·  ·  ·  polyamides
 D21H 3/60
·  ·  ·  ·  ·  polyesters; polyethers; polyacetals
 D21H 3/62
·  ·  ·  ·  ·  silicon-containing compounds
 D21H 3/64
·  ·  natural or synthetic rubber; derivatives thereof
 D21H 3/66
·  by adding inorganic compounds or mixtures essentially based on inorganic compounds
 D21H 3/68
·  ·  water-soluble compounds
 D21H 3/70
·  ·  ·  swelling agents for cellulose
 D21H 3/72
·  ·  ·  ·  strongly-alkaline reacting compounds, e.g. hydroxides
 D21H 3/74
·  ·  ·  ·  acid reacting compounds, e.g. acids
 D21H 3/76
·  ·  ·  ·  complexes from metal oxides and ammonia
 D21H 3/78
·  ·  water-insoluble compounds, including precipitation of insoluble compounds on to the pulp
 D21H 3/80
·  by adding dyeing or fluorescent substances, e.g. optical bleaching substances
 D21H 3/82
·  by adding insoluble coloured substances, e.g. powders, fibres, pieces of metal, for obtaining different colours in the paper
 D21H 5/00
Special paper or cardboard not otherwise provided for (sheet materials for duplicating or marking B41M 5/00)
 D21H 5/02
·  Patterned paper
 D21H 5/04
·  ·  marbled
 D21H 5/06
·  ·  Apparatus
 D21H 5/08
·  Vegetable parchment
 D21H 5/10
·  Security paper
 D21H 5/12
·  characterised by the use of special fibrous materials (felts or other non-woven fabrics D04)
 D21H 5/14
·  ·  of cellulose fibres only
 D21H 5/16
·  ·  ·  Tobacco or cigarette paper
 D21H 5/18
·  ·  of inorganic fibres with or without cellulose fibres
 D21H 5/20
·  ·  of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
 D21H 5/22
·  Fungicidal, bactericidal, insecticidal, disinfecting, antiseptic, or corrosion-inhibiting paper
 D21H 5/24
·  having enhanced flexibility or extensibility produced by mechanical treatment of the unfinished paper (cre. . . . . . . ping paper B31F 1/12)
 D21H 5/26
·  manufactured by dry method