Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-08-18
1981-09-29
Garvin, Patrick
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252428, 435180, B01J 3106, C12N 1108
Patent
active
042921996
ABSTRACT:
An improved method of preparing support matrices, characterized as inorganic oxides impregnated with a polyamine cross-linked with a bifunctional reagent so as to furnish a plurality of pendant functional groups, comprises impregnating the oxide at a pH less than about 4 and subsequently curing the polyamine-impregnated oxide at a pH from about 8 to about 12. This improved method leads to subsequently prepared immobilized enzyme systems whose activity is increased by about 35%.
REFERENCES:
patent: 4141857 (1979-02-01), Levy et al.
Maliarik Mary J.
Rohrbach Ronald P.
Garvin Patrick
Hoatson Jr. James R.
Page II William H.
Snyder Eugene I.
UOP Inc.
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