Claims (1)
1. Patentansprak: 1:o) Forfaringssdtt aft framstaila omvandlingsprodukter av polysackarider, shsom cellnlosa, starkelse och dylikt samt dylika sackarider innehallande amnen, sasom ved, halm, vass, rnjal o. s. v. genom behandling med fluorvatesyra, kannetecknat &ray, aft man behandlar dessa amnen i relativt torrt tillsthnd sd, huge med den. starkt koncentrerade, minst 80 %-iga fluolvdtesyran i flytande eller gasformigt till-stand, aft den erhallna omvandlingsprodukten Sven efter syrans avlagsnande ar, praktiskt taget, loslig i vatten. 2 :o) Forfaringssatt enligt patentanspra,ket 1:o), kannetecknat ddrav, aft de forst erhallna vattenliisliga produkterna efterbehancllas med utspadda syror. 3:o) Utforingsform av fOrfaringssattet enligt patentansprhken 1:o) och. 2m), kannetecknad ddrav, aft man htervinner fluorvatesyran och anvander den ph nytt till ornvandling av polysackarider, lampligen sedan vattnet forst bortskaf f ats Stockholm 1930. ltungl. SoktryokerictPatent claims: 1: o) Procedures for the preparation of conversion products of polysaccharides, such as cellulose, starch and the like, as well as such saccharides containing the substances, such as wood, straw, reeds, rhinoceros, etc. by treatment with fluorate, can be drawn & rayed, relatively dry condition sd, huge with it. highly concentrated, at least 80% of the hydrofluoric acid in the liquid or gaseous state, from the resulting conversion product Sven after the acid is removed, practically soluble in water. 2: o) Procedure according to patent claim, ket 1: o), can be drawn ddrav, since the first obtained water-soluble products are post-treated with diluted acids. 3: o) Embodiment of the method according to claim 1: o) and. 2m), canned ddrav, aft one recovers the fluorate acid and uses it ph new for the conversion of polysaccharides, probably since the water was first disposed of in Stockholm 1930. ltungl. Soktryokerict