C - Chemistry – Metallurgy – 05 – G
Patent
C - Chemistry, Metallurgy
05
G
71/4, 71/43
C05G 3/02 (2006.01) A01N 25/10 (2006.01) A01N 25/12 (2006.01) B01J 2/00 (2006.01)
Patent
CA 1122425
Abstract of the Disclosure: Biologically active and abrasion-resistant pellets or granules are prepared by adding di- or polyisocyanates or the pre-polymers thereof and H-active compounds selected from the group of water and/or organic di- or poly(hydroxy- and/or amino) compounds or mixtures thereof capable of undergoing polycondensation to a mixture of carrier material and biologically active substance, granulating or pelleting the mixture obtained and allowing the pellets or granules to harden at a temperature in the range of from 10 to 60°C.
312194
Bock Klaus-Detlef
Frensch Heinz
Heinrich Rudolf
Meyer Rolf
Prante Gerhard
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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