Stabilization of iodopropynl compounds

Details Stabilization of iodopropynl compounds Stabilization of iodopropynl compounds

1998-06-19

2000-11-07

Warden, Jill

Compositions

Preservative agents

Anti-caking, separative or protective coatings or zones

422 28, 424 768, 514389, C09K 300, A61L 901, A01N 208, A01N 4350

Patent

active

061432040

ABSTRACT:
A highly stable liquid formulation having broad spectrum preservative properties which constitutes an admixture of a dialkanol-substituted DMH, an iodopropynyl compound, a stabilizer of a hydantoin, urea or derivative thereof, and a hydroxyl solvent. Preferably the constituents are dimethyloldimethylhydantoin, 3-iodo-2-propynylbutyl carbamate, dimethylhydantoin, and a glycol solvent. The preservative preferably has a total formaldehyde content of 5% and less than 0.2% of free formaldehyde. The composition is prepared by successively admixing the dialkanol-substituted dimethylhydantoin and the stabilizer, the hydroxyl solvent, and the iodopropynyl compound. Also described is a stabilized iodopropynyl compound preferably containing dimethylhydantoin as the stabilizer.

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Derwent Publications Ltd, JP 10 158110, 1998.

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