Macroporous material in the form of plastic pearls

Details Macroporous material in the form of plastic pearls Macroporous material in the form of plastic pearls

2008-06-03

2008-06-03

Naff, David M. (Department: 1657)

Chemistry: molecular biology and microbiology

Carrier-bound or immobilized enzyme or microbial cell;...

Enzyme or microbial cell is immobilized on or in an organic...

C436S531000, C530S815000

Reexamination Certificate

active

07381552

ABSTRACT:
The invention relates to a macroporous plastics bead material with an average particle diameter from 10 to 1000 μm, containing a copolymer of a) 5-60 wt. % vinylically polymerizable monomers with a water solubility of at least 1% at 20° C., b) 1-40 wt. % vinylically polymerizable monomers with an additional functional group, which can enter into covalent bonds with the nucleophilic groups of the ligands in a polymer-like reaction, c) 10-40 wt. % hydrophilic, crosslinking radical-polymerizable monomers with two or more ethylenically unsaturated polymerizable groups and d) 10-60 wt. % vinylically polymerizable monomers with a water solubility of at most 1% at 20° C. are contained, as a rule with the monomers a) to d) adding up to 100%.

REFERENCES:
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patent: 6048908 (2000-04-01), Kitagawa
patent: 7011963 (2006-03-01), Meier et al.
patent: 2005/0084925 (2005-04-01), Menzler et al.
patent: WO 66/40122 (1999-08-01), None
U.S. Appl. No. 11/719,969, filed May 23, 2007, Menzler et al.
U.S. Appl. No. 10/498,971, filed Nov. 10, 2004, Menzler et al.
U.S. Appl. No. 10/501,140, filed Jul. 13, 2004, Menzler et al.

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