IPC 2013 : D21H 11/06 : Sulfite or bisulfite pulp.

IPC2013 > D > D21 > D21H > D21H 11/00 > D21H 11/06[2] > Sulfite or bisulfite pulp.
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 11/00 Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only.
D21H 11/06 · · Sulfite or bisulfite pulp.

CIP2013: Invenciones publicadas en esta sección.

  1. 1.-

    PAPEL CREPE DE CELULOSA PARA PAÑUELOS Y PROCEDIMIENTO PARA SU FABRICACION

    . Solicitante/s: THE PROCTER & GAMBLE COMPANY. Inventor/es:

    SE DESCRIBE UN PAPEL CREPE CON UN CONTENIDO DE LIGNINA DEL 3 ,5 LE Y BLANDO. EN UN ACABADO MEJORADO, ESTE PAPEL CONTIENE EL 5 HUELE NI EN ESTADO SECO NI EN EL HUMEDO.