D21H23/02 - CPC Classification Index

ClassID:

127023 ⎘

D21H23/02 - CPC Classification

Classification description:

Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added

Sub-classes:

Method to form a web comprising fibers

Method of preparing a treated article and treated article formed therefrom

Method of preparing a treated article and treated article formed therefrom

Method of preparing a treated article and treated article formed therefrom

METHOD AND APPARATUS FOR FEEDING CHEMICALS INTO A PROCESS LIQUID FLOW

Method and Apparatus for Feeding Chemicals Into a Process Liquid Flow

Method of mixing a paper making chemical into a fiber suspension flow

Method of preparing modified cellulose pulp