Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1991-08-29
1994-05-24
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 56, 521 60, 521 841, 521 89, 521142, 521143, 521144, 521147, 521149, 428402, 428409, 528491, C08J 928
Patent
active
053149238
ABSTRACT:
Isotropic porous polymer beads having a high surface porosity and large pore diameters from about 0.002 to about 5 microns are produced from solutions of a polymer or a copolymer by a thermally-induced phase separation process. The use of mixed solvent-non-solvent combinations as solvents for the polymers, produces high pore content, substantially spherical beads having a morphology ideally suited to the chromatography of large molecules, such as proteins, and for enzyme-binding.
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Cooke Michael T.
Hiscock Laura J.
Cooney Jr. John M.
Cytec Technology Corp.
Kight III John
Van Riet Frank M.
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