Abstract:
By using protonic acids, diesters of dicarbonic acid may be stabilized against thermal and chemical decomposition over a relatively long period. Mixtures of diesters of dicarbonic acid and protonic acids are outstandingly suitable for preserving foods.
Abstract:
Carboxylic anhydrides are highly suitable as additive for industrial materials, cosmetics, pharmaceutics and foodstuffs, in particular beverages, for protecting them against attack and/or destruction by microorganisms.
Abstract:
This invention relates to benzolididene compounds of the formula ##STR1## in which R.sup.2 represents the radical ##STR2## in which R.sup.4 and R.sup.5 are identical or different and denote halogen, cyano, ethinyl, trifluoromethoxy, methylthio, nitro, trifluoromethyl or straight-chain or branched alkyl, alkenyl, alkinyl or alkoxy having up to 4 carbon atoms, and one of the substituents optionally represents hydrogen,or a salt thereof.[...]..Iadd., andA represents hydrogen or straight-chain or branched alkyl having up to 8 carbon atoms, or represents phenyl or benzyl which are optionally substituted one to three times by identical or different substituents from the series consisting of hydroxyl, nitro, halogen, cyano, carboxyl, trifluoromethyl, trifluoromethoxy, straight-chain or branched alkoxy having up to 6 carbon atoms or by a group of the formula --NR.sup.6 R.sup.7 or --SO.sub.2 R.sup.8, in whichR.sup.6 and R.sup.7 are identical or different and denote hydrogen, phenyl or straight-chain or branched alkyl having up to 5 carbon atomsandR.sup.8 denotes straight-chain or branched alkyl having up to 4 carbon atoms or phenyl. .Iaddend.
Abstract:
This invention relates to benzolididene compounds of the formula ##STR1## in which R.sup.2 represents the radical ##STR2## in which R.sup.4 and R.sup.5 are identical or different and denote halogen, cyano, ethinyl, trifluoromethoxy, methylthio, nitro, trifluoromethyl or straight-chain or branched alkyl, alkenyl, alkinyl or alkoxy having up to 4 carbon atoms, and one of the substituents optionally represents hydrogen, or a salt thereof.
Abstract:
Carboxylic anhydrides are highly suitable as additive for industrial materials, cosmetics, pharmaceutics and foodstuffs, in particular beverages, for protecting them against attack and/or destruction by microorganisms.
Abstract:
By using phosphorus compounds, diesters of dicarbonic acid may be stabilized against thermal and chemical decomposition over a relatively long period. Mixtures of diesters of dicarbonic acid and phosphorus compounds are outstandingly suitable for preserving foods.
Abstract:
By using phosphorus compounds, diesters of dicarbonic acid may be stabilized against thermal and chemical decomposition over a relatively long period. Mixtures of diesters of dicarbonic acid and phosphorus compounds are outstandingly suitable for preserving foods.
Abstract:
Specific azole compounds are outstandingly suitable for stabilizing iodine-containing biocides in industrial materials, more particularly in paints based on alkyd resin.