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FI (list display)

  • D21H21/00
    		•  Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties [5] HB CC 4L055
  • D21H21/02
    		•  .Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control (removal of fats, resins, pitch, or waxes D21C 9/08) [5] HB CC 4L055
  • D21H21/04
    		•  ..Slime-control agents [5] HB CC 4L055
  • D21H21/06
    		•  .Paper forming aids [5] HB CC 4L055
  • D21H21/08
    		•  ..Dispersing agents for fibres [5] HB CC 4L055
  • D21H21/10
    		•  ..Retention agents or drainage improvers [5] HB CC 4L055
  • D21H21/12
    		•  ..Defoamers [5] HB CC 4L055
  • D21H21/14
    		•  .characterised by function or properties in or on the paper (D21H 19/66, D21H 27/02 take precedence) [5] HB CC 4L055
  • D21H21/14@A
    		•  Conductive paper (Newly added in H 11) HB CC 4L055
  • D21H21/14@B
    		•  Deodorising/fragrance adding paper (Newly added in H 11) HB CC 4L055
  • D21H21/14@C
    		•  Rustproof paper (Newly added in H 11) HB CC 4L055
  • D21H21/14@Z
    		•  Other (Newly added in H 11) HB CC 4L055
  • D21H21/16
    		•  ..Sizing or water-repelling agents [5] HB CC 4L055
  • D21H21/18
    		•  ..Reinforcing agents [5] HB CC 4L055
  • D21H21/20
    		•  ...Wet strength agents [5] HB CC 4L055
  • D21H21/22
    		•  ..Agents rendering paper porous, absorbent or bulky [5] HB CC 4L055
  • D21H21/24
    		•  ...Surfactants [5] HB CC 4L055
  • D21H21/26
    		•  ..Agents rendering paper transparent or translucent [5] HB CC 4L055
  • D21H21/28
    		•  ..Colorants [5] HB CC 4L055
  • D21H21/28@A
    		•  Dyes (Newly added in H 11) HB CC 4L055
  • D21H21/28@B
    		•  Insoluble coloured substances, e.g. powders, fibres, metal pieces adding colour to paper (Newly added in H 11) HB CC 4L055
  • D21H21/28@Z
    		•  Others (Newly added in H 11) HB CC 4L055
  • D21H21/30
    		•  ..Luminescent or fluorescent substances, e.g. for optical bleaching (D21H 21/40 takes precedence) [5] HB CC 4L055
  • D21H21/32
    		•  ..Bleaching agents (bleaching cellulose pulp D21C 9/10) [5] HB CC 4L055
  • D21H21/34
    		•  ..Ignifugeants [5] HB CC 4L055
  • D21H21/36
    		•  ..Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents [5] HB CC 4L055
  • D21H21/38
    		•  ..Corrosion-inhibiting agents or anti-oxidants [5] HB CC 4L055
  • D21H21/40
    		•  ..Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper (watermarking B41M 3/10, D21F 1/44; security printing B41M 3/14; securities or banknotes characterised by colour effects B42D 25/29, B42D 25/30; testing paper currency or valuable papers for genuineness G07D 7/00) [5] HB CC 4L055
  • D21H21/42
    		•  ...Ribbons or strips (filaments D21H 15/06) [5] HB CC 4L055
  • D21H21/44
    		•  ...Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods [5] HB CC 4L055
  • D21H21/46
    		•  ....Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators [5] HB CC 4L055
  • D21H21/48
    		•  ....Elements suited for physical verification, e.g. by irradiation [5] HB CC 4L055
  • D21H21/50
    		•  .characterised by form (D21H 19/66, D21H 21/42, D21H 27/02 take precedence) [5] HB CC 4L055
  • D21H21/50@A
    		•  Powder (Newly added in H 11) HB CC 4L055
  • D21H21/50@B
    		•  Condensed matter (Newly added in H 11) HB CC 4L055
  • D21H21/50@Z
    		•  Others (Newly added in H 11) HB CC 4L055
  • D21H21/52
    		•  ..Additives of definite length or shape [5] HB CC 4L055
  • D21H21/54
    		•  ...being spherical, e.g. microcapsules, beads [5] HB CC 4L055
  • D21H21/56
    		•  ..Foam [5] HB CC 4L055
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