C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
362/1, 195/34.4
C12N 11/08 (2006.01) B01D 53/84 (2006.01) C02F 3/00 (2006.01) C02F 3/10 (2006.01) C02F 3/34 (2006.01) C12N 11/04 (2006.01)
Patent
CA 1224171
A BIOLOGICALLY ACTIVE COMPOSITION FOR PURIFYING WASTE WATER AND OUTGOING AIR Abstract of The Disclosure A biologically active composition comprising a polyurethane hydrogel containing a surface-active material and micro-organism cells is produced by a) mixing a polyurethane prepolymer in the presence of an aqueous suspension of a surface-active substance and micro-organisms capable of growth and having enzymatic activity and b) gelling the mixture a).
451485
Baumgarten Jorg
Frommer Werner
Mann Theo
Pascik Imre
Rast Hans-Georg
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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