• All sections
• D - Textilespaper
• D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
• D21H 21/14 - Non-fibrous material added to the pulp, characterised by its function, form or propertiesPaper impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper

Patent holdings for IPC class D21H 21/14

Total number of patents in this class: 575

10-year publication summary

Principal owners for this class