Non-yellowing antimicrobial compositions comprising diiodomethyl

Details Non-yellowing antimicrobial compositions comprising diiodomethyl Non-yellowing antimicrobial compositions comprising diiodomethyl

1975-09-15

1977-04-19

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

106111, 260 296MQ, 260 296MN, 424175, 424286, 424289, 424 328, 424337, C09D 514

Patent

active

040186113

ABSTRACT:
There is provided an antimicrobial composition comprising a diiodomethyl sulfone of the formula R(CH.sub.2).sub.n SO.sub.2 CHI.sub.2, wherein n is an integer from 0 to 4 and R is selected from the group alkyl, cycloalkyl, phenyl, naphthyl, loweralkylphenyl, polyloweralkylphenyl, lower-alkoxyphenyl, monohalophenyl, polyhalophenyl, haloloweralkylphenyl halonitrophenyl, nitrophenyl, nitroloweralkylphenyl, anilino, anilinophenyl, and anilamidophenyl and in order to prevent the yellowing and/or the discoloring of the diiodomethyl sulfone a compound containing a reactive sulfide or sulfhydryl group. If the compound containing a reactive sulfide or sulhydryl group is a dithiocarbamate the composition shows an increased antimicrobial activity. The method of protecting potential natural or industrial host materials against attack by micro-organisms, in particular bacteria, algae and fungi, comprising treating said host material with said diiodomethyl sulfone and with said compound containing a reactive sulfide or sulfhydryl group or incorporating said compounds therein is also disclosed.

REFERENCES:
patent: 2720482 (1955-10-01), Bryan et al.
patent: 3615745 (1971-10-01), Crovetti et al.
patent: 3632859 (1972-01-01), Crovetti
patent: 3657353 (1972-04-01), Crovetti et al.
patent: 3781423 (1973-12-01), Aoka et al.
patent: 3836643 (1974-09-01), Hennart
patent: 3901935 (1975-08-01), Domenico

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