Hydrolyzing di-and tricarboxy celluloses with sulfurous acid

Details Hydrolyzing di-and tricarboxy celluloses with sulfurous acid Hydrolyzing di-and tricarboxy celluloses with sulfurous acid

C - Chemistry, Metallurgy

07

C

260/527.2, 260/5

C07C 59/153 (2006.01) C07C 51/00 (2006.01) C07C 59/00 (2006.01)

Patent

CA 1059533

ABSTRACT OF THE DISCLOSURE Di- and tricarboxy celluloses are hydrolyzed with sulfurous acid in an aqueous medium to a mixture of erythronic acid and glyoxylic acid, in the case of dicarboxy cellulose; to a mixture of maso tartaric acid and glyoxylic acid in the case of tricar- boxy cellulose; and to a mixture of these three products, in the case of a feedstock comprising a mixture of di- and tricarboxy celluloses.

261327

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