ClassID:

126884

D21H17/19 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds , e.g. within the pulp or paper, by chemical reaction with itself, or other added substances, e.g. by grafting on the fibres by reactions only involving carbon-to-carbon unsaturated bonds

Recent Application in this class: