Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1982-09-23
1985-02-19
Padgett, Ben R.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
546242, C09K 1522
Patent
active
045004463
ABSTRACT:
A stabilization mixture is described for use with polymeric materials, the mixture evidencing high stabilization efficiency against the effect of ultraviolet radiation which being of low toxicity. The mixture comprises from 80-100%, by weight, of a mixture of 2,2,6,6-tetramethyl-4-piperidinol esters and from 0-20%, by weight, of the ammonium carboxylates thereof. The mixture is prepared by heating derivatives of 2,2,6,6-tetramethyl-4-piperidinol with mixtures of stearic, palmitic, heptadecanic, myristic and oleic acids at temperatures ranging from 150-260 degrees C.
REFERENCES:
patent: Re31342 (1983-09-01), Holt et al.
patent: 3705166 (1972-12-01), Murayama et al.
patent: 3840494 (1974-10-01), Murayama et al.
patent: 4049647 (1977-09-01), Holt et al.
patent: 4056507 (1977-11-01), Ramey et al.
Balogh Alojz
Caucik Pavol
Durmis Julius
Hrachovcova Maria
Karvas Milan
Chemicke zavody Juraja Dimitrova, narodny podnik
Padgett Ben R.
Thexton Matthew A.
LandOfFree
Mixed unsaturated monocarboxylic acid esters of 2,2,6,6-tetramet does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Mixed unsaturated monocarboxylic acid esters of 2,2,6,6-tetramet, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mixed unsaturated monocarboxylic acid esters of 2,2,6,6-tetramet will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-612281