Abstract: An additive mixture comprising (I) a copolymer having a number average molecular weight of 800 g/mol to 50 000 g/mol and containing recurring units of the formula (la) and (Ila) or recurring units of the formula (la) and (IIb), wherein the recurring units (la) and (Ila) can have a random, alternating or block distribution and the molar ratio of (la) to (Ila) is 1:10 to 10:1, the recurring units (la) and (lIb) can have a random, alternating or block distribution and the molar ratio of (la) to (lIb) is 1:10 to 10:1, the radicals R1 independently of one another are C10-C30alkyl and the radicals R2 independently of one another are hydrogen or C1-C30acyl, (II) a metal salt, preferably a transition metal salt, and (III) an oxidizable substrate, with the proviso that components (I) and (III) are different.

Abstract: An oxygen-scavenging composition comprising (I) a polymeric resin, (II) a metal organic oxidation additive based on a chelating aromatic or non aromatic amine and transition metal complex, (III) a sacrificial oxidizable substrate, and optionally (IV) additional components, and further an article containing said oxygen-scavenging composition and the use of said oxygen-scavenging composition in food packaging.

Abstract: An oxygen-scavenging mixture comprising the components (I) a nano-sized oxidizable metal component wherein the average particle size of the metal is 1 to 1000 nm and wherein the metal is unsupported or supported by a carrier material, (II) an electrolyte component, and (III) a non-electrolytic, acidifying component.

Abstract: The instant invention discloses a process for the preparation of compounds of the formula I: wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula II: wherein the general symbols are as defined in claim 1, with a compound of the formula III: wherein R5 is as defined in claim 1. The compounds of the formula II are new and useful as stabilizers for protecting organic materials, in particular synthetic polymers, reprographic materials or coating materials against oxidative, thermal or light-induced degradation.

Abstract: The instant invention discloses a process for preparation of compounds of the formula (I), wherein the general symbols are as defined in claim 1, which process comprises reacting a compound of formula (II), wherein the general symbols are as defined in claim 1, with a compound of the formula (III), wherein R5 is as defined in slaim 1. The compounds of the formula (II) are new and useful as stabilizers for protecting organic materials, in particular synthetic polymers, reprographic materials or coating materials against oxidative, thermal or light-induced degradation.