Patent ID: 8562731

Claim:
A fungal modified chitosan adhesive for a fibrous material produced by providing a chitosan containing raw material ( 2 ); providing a fungal growing medium ( 4 ); providing a fungal culture ( 6 ); wherein the fungal culture is at least one of species Ascomycota mitosporic fungi; mixing ( 10 ) the raw material ( 2 ), the growing medium ( 4 ) and the fungal culture together to produce a suspension ( 12 ); incubating ( 20 ) the suspension ( 12 ) to produce a broth ( 22 ) comprising a modified chitosan solid ( 32 ), an at least partially-consumed medium liquid ( 34 ) and a fungal residue ( 36 ); separating ( 30 ) the modified chitosan solid ( 32 ) from the liquid ( 34 ) and the fungal residue ( 36 ), and dissolving ( 40 ) the modified chitosan solid ( 32 ) to produce the adhesive resin ( 42 ).