C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/319, 402/477
C08F 2/10 (2006.01) A23L 2/80 (2006.01) B01J 20/22 (2006.01) C08F 26/06 (2006.01) C12H 1/056 (2006.01)
Patent
CA 1054296
ABSTRACT OF THE DISCLOSURE The present invention relates to the manufacture of insoluble and only slightly water-swellable polymers or copolymers of N-vinyl lactams by polymerization in the absence of oxygen and in the presence of sulfur compounds having a functionality of less than 6. These polymers and copolymers are obtained in the form of very fine granules showing good adsorptivity and good filtering properties.
231426
Denzinger Walter
Herrle Karl
Hofmann Ernst
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