Compositions – Preservative agents – Anti-corrosion
Patent
1975-05-23
1977-03-15
Lovering, Richard D.
Compositions
Preservative agents
Anti-corrosion
424 35, 424 76, 424361, 426573, 426660, B01J 1300
Patent
active
040123332
ABSTRACT:
Gels are prepared from a biologically produced beta-1,3-glucan-type polysaccharide by exposing a basic solution of the polysaccharide to an atmosphere of a gaseous acid anhydride.
REFERENCES:
patent: 2253297 (1941-08-01), Houghton et al.
patent: 3684733 (1972-08-01), Bannister et al.
patent: 3822250 (1974-07-01), Kimura et al.
Alexander William S.
Hercules Incorporated
Lovering Richard D.
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