Manufacture of polyvinylpyrrolidone-iodine

Details Manufacture of polyvinylpyrrolidone-iodine Manufacture of polyvinylpyrrolidone-iodine

1975-08-07

1977-05-31

Wong, Jr., Harry

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

424274, 526 43, 526264, C08F 822

Patent

active

040270831

ABSTRACT:
Polyvinylpyrrolidone-iodine, manufactured by reaction of iodine and a polyvinylpyrrolidone obtained by polymerization in an anhydrous organic solvent in the presence of a source of free radicals and optionally in the presence of a heavy metal of atomic number from 23 to 29, in the form of a complex compound or of a salt with an organic acid, as a co-activator, followed by steam distillation of this polyvinylpyrrolidone, if appropriate. The PVP-iodine of the invention is very stable and can be used as a disinfectant.

REFERENCES:
patent: 2754245 (1956-07-01), Hosmer
patent: 3437647 (1969-04-01), Freifeld

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