Patent US4268531A successfully refreshed from Google Patents.
US4268531A
Expired / Lapsed
US
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Condiment package and material for making same
Assignee: Ludlow Corp
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Filing: 1976-11-10
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Granted: 1981-05-19
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Expires: 1996-11-10
Abstract
Abstract A packaging material, and especially condiment-carrying packages prepared therefrom, which is characterized by its thinness and consequent ease of handling. Moreover, condiments packaged therein have greatly extended storage life. In general, the package comprises using a relatively thin coating formed of an ionomer and a polyethylene of relatively low softening point, this coating conveniently being coextruded and incorporated into a laminated structure which will normally also comprise layers of cellophane and aluminum foil.
Inventors
- 👤 Philip C. Whiting, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:08
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B2307/00; B32B2307/30; B32B2307/31; B32B2323/00; B32B2323/04; B32B2323/046; B32B2439/00; B32B2439/70; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/3175; Y10T428/31757; Y10T428/31855
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
88 words
In a package comprising a condiment and formed of a flexible, heatsealable web consisting of (1) an outer printable surface ply (2) a metallic foil ply and (3) an innermost heat-sealable ply in contact with said condiment the improvement wherein said innermost ply is less than about 0.0015 inches in thickness and is formed of (a) an ionomer making up a minor portion of said thickness and placed nearest said foil, (b) low density polyethylene forming the major portion of said thickness and placed remote from said foil.
Claim 2
Dependent Claim
88 words
In a package comprising a condiment and formed of a flexible, heatsealable web consisting of (1) an outer printable surface ply (2) a metallic foil ply and (3) an innermost heat-sealable ply in contact with said condiment the improvement wherein said innermost ply is less than about 0.0015 inches in thickness and is formed of (a) an ionomer making up a minor portion of said thickness and placed nearest said foil, (b) low density polyethylene forming the major portion of said thickness and placed remote from said foil.
Claim 3
Dependent Claim
22 words
A package as defined in claim 1 comprising an acrylic polymer priming coat between (a) said metal foil and (b) said ionomer.
Claim 4
Dependent Claim
19 words
A package as defined in claim 1 which comprises ketchup enclosed therewithin, said ketchup contacting only said heatsealable layer.
Claim 5
Dependent Claim
78 words
A laminate formed of a flexible, heatsealable web consisting of (1) an outer printable surface ply (2) a metallic foil ply and (3) an third heatsealable ply the improvement wherein said third ply is less than about 0.0015 inches in thickness and is formed of (a) an ionomer making up a minor portion of said thickness and placed nearest said foil (b) low density polyethylene forming the major portion of said thickness and placed remote from said foil.
Claim 6
Dependent Claim
78 words
A laminate formed of a flexible, heatsealable web consisting of (1) an outer printable surface ply (2) a metallic foil ply and (3) an third heatsealable ply the improvement wherein said third ply is less than about 0.0015 inches in thickness and is formed of (a) an ionomer making up a minor portion of said thickness and placed nearest said foil (b) low density polyethylene forming the major portion of said thickness and placed remote from said foil.
Claim 7
Dependent Claim
20 words
A laminate as defined in claim 4 comprising an acrylic polymer priming coat between said metal foil and said ionomer.
Claim 8
Dependent Claim
18 words
A laminate as defined in claim 4 wherein said third ply is less than about 0.003 inches thick.
Claim 9
Dependent Claim
24 words
A package comprising, as the packaging material, a sheet as defined in claim 4 and comprising, as the packaged material, a liquid detergent composition.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-05-18 | 1984-11-17 | 1985-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-18 | 1988-11-17 | 1989-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-18 | 1992-11-17 | 1993-05-19 | $7700.00 | Window Closed / Lapsed |