• 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 17/19 - Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances by reactions only involving carbon-to-carbon unsaturated bonds

Patent holdings for IPC class D21H 17/19

Total number of patents in this class: 4

10-year publication summary

Principal owners for this class