Antiozonant blends

Details Antiozonant blends Antiozonant blends

2006-05-02

2011-11-22

Niland, Patrick (Department: 1762)

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

Reexamination Certificate

active

08062551

ABSTRACT:
An antiozonant mixture is disclosed wherein said mixture comprises at least two compounds,(A) at least one of which is of the structureand(B) at least one other of which is of the structurewhereinR1is a straight chain, branched, or cyclic alkyl group comprising from three to seven carbon atoms, andR2is a straight chain, branched, or cyclic alkyl group comprising at least eleven carbon atoms.

REFERENCES:
patent: 3163616 (1964-12-01), Stahly
patent: 3304284 (1967-02-01), Cox
patent: 3530076 (1970-09-01), Sparks et al.
patent: 3645966 (1972-02-01), Sparks et al.
patent: 3663505 (1972-05-01), Hoffman
patent: 6160043 (2000-12-01), Halladay
patent: 6706216 (2004-03-01), Malz, Jr. et al.
patent: 6706217 (2004-03-01), Malz, Jr. et al.
patent: 084527 (1983-07-01), None
patent: 990469 (1965-04-01), None
Kuczkowski J.,Oxidation Inhibition in Organic Materials, vol. 1, Ch. 8, Part VII, Ed. Pospisil J. & Klemchuk, P.P., CRC Press 1990, pp. 275-287.

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