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  • D21H17/00
    		•  Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    		HB CC 4L055
  • D21H17/01
    		•  .Waste products, e.g. sludge [5] HB CC 4L055
  • D21H17/02
    		•  .Material of vegetable origin (proteins D21H 17/22; lignins D21H 17/23; polysaccharides D21H 17/24; rosin D21H 17/62) [5] HB CC 4L055
  • D21H17/03
    		•  .Non-macromolecular organic compounds [5] HB CC 4L055
  • D21H17/04
    		•  ..Hydrocarbons [5] HB CC 4L055
  • D21H17/05
    		•  ..containing elements other than carbon and hydrogen only [5] HB CC 4L055
  • D21H17/06
    		•  ...Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals [5] HB CC 4L055
  • D21H17/07
    		•  ...Nitrogen-containing compounds [5] HB CC 4L055
  • D21H17/08
    		•  ....Isocyanates [5] HB CC 4L055
  • D21H17/09
    		•  ...Sulfur-containing compounds [5] HB CC 4L055
  • D21H17/10
    		•  ...Phosphorus-containing compounds [5] HB CC 4L055
  • D21H17/11
    		•  ...Halides [5] HB CC 4L055
  • D21H17/12
    		•  ...Organo-metallic compounds [5] HB CC 4L055
  • D21H17/13
    		•  ...Silicon-containing compounds [5] HB CC 4L055
  • D21H17/14
    		•  ...Carboxylic acids; Derivatives thereof [5] HB CC 4L055
  • D21H17/15
    		•  ....Polycarboxylic acids, e.g. maleic acid [5] HB CC 4L055
  • D21H17/16
    		•  .....Addition products thereof with hydrocarbons [5] HB CC 4L055
  • D21H17/17
    		•  ...Ketenes, e.g. ketene dimers [5] HB CC 4L055
  • D21H17/18
    		•  ...forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances [5] HB CC 4L055
  • D21H17/19
    		•  ....by reactions only involving carbon-to-carbon unsaturated bonds [5] HB CC 4L055
  • D21H17/20
    		•  .Macromolecular organic compounds [5] HB CC 4L055
  • D21H17/21
    		•  ..of natural origin; Derivatives thereof [5] HB CC 4L055
  • D21H17/22
    		•  ...Proteins [5] HB CC 4L055
  • D21H17/23
    		•  ...Lignins [5] HB CC 4L055
  • D21H17/24
    		•  ...Polysaccharides [5] HB CC 4L055
  • D21H17/25
    		•  ....Cellulose [5] HB CC 4L055
  • D21H17/26
    		•  .....Ethers thereof [5] HB CC 4L055
  • D21H17/27
    		•  .....Esters thereof [5] HB CC 4L055
  • D21H17/28
    		•  ....Starch [5] HB CC 4L055
  • D21H17/29
    		•  .....cationic [5] HB CC 4L055
  • D21H17/30
    		•  ....Alginic acid or alginates [5] HB CC 4L055
  • D21H17/31
    		•  ....Gums [5] HB CC 4L055
  • D21H17/32
    		•  .....Guar gum [5] HB CC 4L055
  • D21H17/33
    		•  ..Synthetic macromolecular compounds [5] HB CC 4L055
  • D21H17/34
    		•  ...obtained by reactions only involving carbon-to-carbon unsaturated bonds [5] HB CC 4L055
  • D21H17/34@A
    		•  Hydrocarbon halides (Newly added in H 11) HB CC 4L055
  • D21H17/34@B
    		•  Unsaturated nitriles (Newly added in H 11) HB CC 4L055
  • D21H17/34@Z
    		•  Others (Newly added in H 11) HB CC 4L055
  • D21H17/35
    		•  ....Polyalkenes, e.g. polystyrene [5] HB CC 4L055
  • D21H17/36
    		•  ....Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters [5] HB CC 4L055
  • D21H17/37
    		•  ....Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates [5] HB CC 4L055
  • D21H17/38
    		•  ....containing crosslinkable groups [5] HB CC 4L055
  • D21H17/39
    		•  .....forming ether crosslinkages, e.g. alkylol groups [5] HB CC 4L055
  • D21H17/40
    		•  .....unsaturated [5] HB CC 4L055
  • D21H17/41
    		•  ....containing ionic groups [5] HB CC 4L055
  • D21H17/42
    		•  .....anionic [5] HB CC 4L055
  • D21H17/43
    		•  ......Carboxyl groups or derivatives thereof [5] HB CC 4L055
  • D21H17/44
    		•  .....cationic [5] HB CC 4L055
  • D21H17/45
    		•  ......Nitrogen-containing groups [5] HB CC 4L055
  • D21H17/46
    		•  ...obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds [5] HB CC 4L055
  • D21H17/47
    		•  ....Condensation polymers of aldehydes or ketones [5] HB CC 4L055
  • D21H17/48
    		•  .....with phenols [5] HB CC 4L055
  • D21H17/49
    		•  .....with compounds containing hydrogen bound to nitrogen [5] HB CC 4L055
  • D21H17/50
    		•  ......Acyclic compounds [5] HB CC 4L055
  • D21H17/51
    		•  ......Triazines, e.g. melamine [5] HB CC 4L055
  • D21H17/52
    		•  ....Epoxy resins [5] HB CC 4L055
  • D21H17/53
    		•  ....Polyethers; Polyesters [5] HB CC 4L055
  • D21H17/54
    		•  ....obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen [5] HB CC 4L055
  • D21H17/55
    		•  .....Polyamides; Polyaminoamides; Polyester-amides [5] HB CC 4L055
  • D21H17/56
    		•  .....Polyamines; Polyimines; Polyester-imides [5] HB CC 4L055
  • D21H17/57
    		•  .....Polyureas; Polyurethanes [5] HB CC 4L055
  • D21H17/58
    		•  ....obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur [5] HB CC 4L055
  • D21H17/59
    		•  ....obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon [5] HB CC 4L055
  • D21H17/60
    		•  .Waxes [5] HB CC 4L055
  • D21H17/61
    		•  .Bitumen [5] HB CC 4L055
  • D21H17/62
    		•  .Rosin; Derivatives thereof [5] HB CC 4L055
  • D21H17/63
    		•  .Inorganic compounds [5] HB CC 4L055
  • D21H17/64
    		•  ..Alkaline compounds [5] HB CC 4L055
  • D21H17/65
    		•  ..Acid compounds [5] HB CC 4L055
  • D21H17/66
    		•  ..Salts, e.g. alums [5] HB CC 4L055
  • D21H17/67
    		•  ..Water-insoluble compounds, e.g. fillers, pigments [5] HB CC 4L055
  • D21H17/68
    		•  ...siliceous, e.g. clays [5] HB CC 4L055
  • D21H17/69
    		•  ...modified, e.g. by association with other compositions prior to incorporation in the pulp or paper [5] HB CC 4L055
  • D21H17/70
    		•  ..forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with other substances added separately [5] HB CC 4L055
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