US 4,059,457 A · Chitin solution

Abstract

Solutions of chitin in dimethylacetamide, N-methylpyrrolidone or mixtures of these in combination with a minor proportion of lithium chloride.

Dependent claims

A solution of chitin in dimethylacetamide or N-methylpyrrolidone or mixtures of these amides in conjunction with a minor amount of lithium chloride.

Dependencies are inferred from the claim text.

Facts

Application

05/728,257Filed 30 Sep 1976 · continuation in part

Priority

19 Feb 1976

Granted

22 Nov 1977

Term ends

Not estimatedThe source records don’t support an estimate.

C08L 5/08
Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00: chitin; Chondroitin sulfate; Hyaluronic…
C08B 37/003
2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof: chitin, i.e. 2-acetamido-2-deoxy--D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan,…
C08L
Compositions of macromolecular compounds
C08B
Polysaccharides

Solutions of chitin in dimethylacetamide, N-methylpyrrolidone or mixtures of these in combination with a minor proportion of lithium chloride.