Use of additive combinations for preventing skin formation...

Details Use of additive combinations for preventing skin formation... Use of additive combinations for preventing skin formation...

2005-02-01

2005-02-01

Anthony, Joseph D. (Department: 1714)

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

C252S403000, C252S407000, C106S263000

Reexamination Certificate

active

06849205

ABSTRACT:
The present invention relates to a coating composition containing an oxidatively drying binder and, as anti-skinning agents, a mixture ofA) an aliphatic amine corresponding to formula (Ia) and/or its salts corresponding to formula (Ib): whereinR1, R2and R3each independently of the others represents hydrogen (H); a linear or branched C1-C20-alkyl radical which is optionally unsaturated or which is optionally mono- or poly-substituted by a hydroxyl radical, an alkoxy radical, an amine radical corresponding to the formula N(R1)(R2), or a C5-C7-cycloalkyl radical, andA−represents a salt-forming anion, andB) with a compound corresponding to formula (II) whereinR1and R4each independently of the other represents hydrogen (H), a C1-C4-alkyl radical, a C6-C24-aryl radical or a C5-C7-cycloalkyl radical, a hydroxyl radical or a C1-C4-alkoxy radical, —O−(oxygen anion),R2represents H, a C1-C4-alkyl radical, or A−(anion),R3represents H, a C1-C4-alkyl radical, andn represents 0, 1 or 2.

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patent: 5985018 (1999-11-01), Link et al.
patent: 903 380 (1999-03-01), None
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