• All sections
• D - Textiles; paper
• D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment of finished paper not covered by class or subclass ; paper not otherwise provided for
• D21H 19/32 - Coatings without pigments applied in a form other than the aqueous solution defined in group comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming a linkage containing silicon in the main chain of the macromolecule

Patent holdings for IPC class D21H 19/32

Total number of patents in this class: 111

10-year publication summary

Principal owners for this class