IPC 2013 : D21H 13/42 : Asbestos.

IPC2013 > D > D21 > D21H > D21H 13/00 > D21H 13/42[3] > Asbestos.
Notes[n] D21H 11/00 - D21H 15/00:
  • In groups D21H 11/00 - D21H 15/00, in the absence of an indication to the contrary, classification is made in the last appropriate place.
D SECTION D — TEXTILES; PAPER.
D21 PAPER-MAKING; PRODUCTION OF CELLULOSE.
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR.
D21H 13/00 Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F).
D21H 13/42 · · · Asbestos.

CIP2013: Invenciones publicadas en esta sección.

  1. 1.-

    PROCEDIMIENTO DE FABRICACION DE MATERIAL INCOMBUSTIBLE Y FILTRANTE EN PARTICULAR PARA LA FILTRACION DE GASES A TEMPERATURA ELEVADA

    . Solicitante/s: COMPAGNIE DE SAINT-GOBAIN.

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