Textiles: fiber preparation
Patent
1976-06-17
1978-01-17
Jones, Raymond N.
Textiles: fiber preparation
127 46A, 195 31R, 195114, 536 1, 536121, C12D 1302, C13K 1100, C13K 1300, C07H 302
Patent
active
040691047
ABSTRACT:
A process for converting aldoses or derivatives thereof into ketoses or derivatives thereof which takes place in the presence of oxyanions or mixed complex oxyanions of germanium or tin which form stronger complexes with the ketoses or derivatives thereof than with the aldoses or derivatives thereof. Using the process the equilibrium position in the aldose-ketose reaction is shifted towards higher proportions of ketose. The process is very applicable to the conversion of glucose to fructose particularly when this conversion takes place enzymatically in the presence of glucose isomerase.
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patent: 3689362 (1972-09-01), Tukasaki
patent: 3935069 (1976-01-01), Long
Takasaki, "Studies on Sugar-isomerizing Enzymes", Agr. Biol. Chem., vol. 35, No. 9, (1971), pp. 1371-1375.
Antikainen, "Spectropolarimetric Studies on Chelate Formation II, Chelation of the Germanate Ion with Fructose in Aqueous Alkaline Solutions", Chem. Abstracts, vol. 82, No. 7, (1975), p. 465 NBS# 43669k.
Barker Sidney Alan
Somers Peter John
Stafford Geoffrey Harry
Woodbury Robin Ross
Imperial Chemical Industries Limited
Jones Raymond N.
Wiseman Thomas G.
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