Method for preparing finely divided nylon-4 complex with iodine

Details Method for preparing finely divided nylon-4 complex with iodine Method for preparing finely divided nylon-4 complex with iodine

1990-10-11

1992-07-07

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

528313, 528319, A61K 31785, A61K 3318

Patent

active

051281252

ABSTRACT:
Finely divided nylon-4 particles are prepared from a solution of polypyrrolidone in 2-pyrrolidone by precipitation in water. The washed particles are contacted with iodine to provide a water insoluble complex for use in biocidal pharmaceutical compositions which slowly release elemental iodine over time.

REFERENCES:
patent: 3405099 (1968-10-01), Taber
patent: 3890280 (1975-06-01), Upadhyaya
patent: 4113851 (1978-09-01), Leveen et al.
patent: 4247683 (1981-01-01), Barnes et al.

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