Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process...
Patent
1985-04-26
1988-09-27
Naff, David M.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
435180, 435182, 530817, C12P 100, C12N 1108, C12N 1104, C07K 1708
Patent
active
047741783
ABSTRACT:
Biological material such as microorganisms is immobilized by polymerizing in the presence of the biological material a readily soluble polyetherpolyol having some hydroxyl groups esterified with acrylic and/or methacrylic acid and remaining hydroxyl groups reacted with an isocyanate group-containing derivative of an unsaturated carboxylic acid or a polyfunctional isocyanate. Preferably, the isocyanate derivative of an unsaturated carboxylic acid is isocyanatoethyl acrylate, isocyanatoethyl methacrylate of 4-isocyanato-3-methyl-2-butyl-acrylate and the polyfunctional isocyanate is a diisocyanate or polyisocyanate. Beads can be produced by forming droplets in a water-immiscible medium and polymerizing. Polymerization can be carried out under inert gas in the presence of radical initiators or by irradiation with actinic light.
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Egerer Peter
Haese Wilfried
Perrey Hermann
Schmidt-Kastner Gunter
Bayer Aktiengesellschaft
Naff David M.
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