Title: Packaging material

Abstract: A laminate comprising an inner and an outer water vapor barrier layer and an intermediate flavor and oxygen barrier layer of a thermoplastic material with a high nitrile content provides for a packaging material for perfumed and flavored compositions, e.g. a dentifrice-tube.

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Inventors: Herrero, Francisco (Hamburg, DE, US)

Application Number: 842768
Filing Date: 1977-10-17
Publication_date: 1979-02-13
Assignee: Lever Brothers Company (New York, NY)
Primary Class(es): 428/36.7 222/107, 428/215, 428/518, 428/520
Other Classes:
US Patent Ref:

2893908	Jul, 1959	Antlfinger	428/520.
3453173	Jul, 1969	Isley	428/520.
3606958	Sep, 1971	Coffman	428/515.
3823850	Jul, 1974	Holoubeck	222/107.
3908070	Sep, 1975	Auerswald	428/520.
4015033	Mar, 1977	Nield	428/35.

Other Refs:
Primary Examiner: Robinson, Ellis
Assistant Examiner:
Attorney: Dusyn; Kenneth F., Farrell; James J., Kurtz; Melvin H.