Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1984-05-25
1986-02-04
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 56, 526304, 526307, C08J 900
Patent
active
045687064
ABSTRACT:
The invention relates to bead polymers based on monomers of the formula ##STR1## in which X is hydrogen or methyl, R denotes an aliphatic hydrocarbon radical having 1 to 12 carbon atoms, and Y denotes OH or NH.sub.2, which have been prepared using a special dispersion stabilizer. They are particularly distinguished by high porosity and are very suitable as carrier materials for biologically active substances.
REFERENCES:
patent: 3594333 (1971-07-01), Buss et al.
patent: 4154910 (1979-05-01), Tanaka et al.
patent: 4246362 (1981-01-01), Sasaki et al.
patent: 4256843 (1981-03-01), Sasaki et al.
Mauz Otto
Noetzel Siegfried
Sauber Klaus
Foelak Morton
Hoechst Aktiengesellschaft
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