D21H21/143 - CPC Classification Index

ClassID:

126998 ⎘

D21H21/143 - CPC Classification

Classification description:

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 characterised by function or properties in or on the paper Agents preventing ageing of paper, e.g. radiation absorbing substances

Recent Application in this class:

20240240405

DECORATIVE PANEL AND A DECORATIVE FOIL FOR A DECORATIVE PANEL

20220136176

Platelike thermal insulation material made from recycled and environmentally friendly raw materials

20200399833

Flame retardant paper

20190292337

UV blocking film and composition comprising microfibrillated cellulose, a method for producing said film and use of the composition

20140259458

Processes and compositions for brightness improvement in paper production

20110263836

METHOD FOR REDUCTION OF LIGHT-INDUCED YELLOWING OF LIGNIN-CONTAINING MATERIAL

20080060775

Chlorohydrin and cationic compounds having high affinity for pulp or paper

20080041541

Uso of Cyclodextrin for Reducing Yellowing of Pulp and Paper

20070163735

Method for reducing brightness reversion of mechanical pulps and high-yield chemical pulps

20070128460

Paper coating composition

20060183824

Light stabilizer emulsion composition

20050092452

Chlorohydrin and cationic compounds having high affinity for pulp or paper