US3037868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkable moistureproof food wrapping material
Assignee: Akzo Nobel UK PLC
•
Filing: 1959-09-24
•
Granted: 1962-06-05
•
Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles M Rosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; B29; B29C; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1324; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31931; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A FLEXIBLE MOISTUREPROOFED FOOD WRAPPING MATERIAL COMPRISING TWO EXTERIOR WATER-INSOLUBLE HYDROPHILIC CELLULOSIC PLIES, AN INTERMEDIATE PLY COMPRISING A HYDROPHOBIC MATERIAL SUSCEPTIBLE OF PLASTIC DEFORMATION SELECTED FROM THE GROUP CONSISTING OF POLYOLEFINS HAVING MOLECULAR WEIGHTS OF FROM 10,000 TO 100,000 AND DENSITIES IN G./CC. OF FROM 0.88 TO 0.97 AND INTERPOLYMERS CONTAINING 5095% BY WEIGHT OF VINYLIDENE CHLORIDE AND A RESIN-TYPE ANCHORING MATERIAL UNIFROMLY DISTRIBUTED THROUGHOUT THE INTERFACES OF SAID INTERMEDIATE PLYWITH EACH EXTERIOR PLY AND CONSITUTING A MOISTUREPROOF BOND FIRMLY UNITING SAID PLIES, SAID MOISTUREPROOFED WRAPPING MATERIAL STRETCHING LONGITUDINALLY AND TRANSVERSELY WHEN WET AND SHRINKING LONGITUDINALLY AND TRANSVERSELY WHEN DRIED SUBSEQUENT TO WETTING.
Claim 2
Dependent Claim
103 words
A FLEXIBLE MOISTUREPROOFED FOOD WRAPPING MATERIAL COMPRISING TWO EXTERIOR WATER-INSOLUBLE HYDROPHILIC CELLULOSIC PLIES, AN INTERMEDIATE PLY COMPRISING A HYDROPHOBIC MATERIAL SUSCEPTIBLE OF PLASTIC DEFORMATION SELECTED FROM THE GROUP CONSISTING OF POLYOLEFINS HAVING MOLECULAR WEIGHTS OF FROM 10,000 TO 100,000 AND DENSITIES IN G./CC. OF FROM 0.88 TO 0.97 AND INTERPOLYMERS CONTAINING 5095% BY WEIGHT OF VINYLIDENE CHLORIDE AND A RESIN-TYPE ANCHORING MATERIAL UNIFROMLY DISTRIBUTED THROUGHOUT THE INTERFACES OF SAID INTERMEDIATE PLYWITH EACH EXTERIOR PLY AND CONSITUTING A MOISTUREPROOF BOND FIRMLY UNITING SAID PLIES, SAID MOISTUREPROOFED WRAPPING MATERIAL STRETCHING LONGITUDINALLY AND TRANSVERSELY WHEN WET AND SHRINKING LONGITUDINALLY AND TRANSVERSELY WHEN DRIED SUBSEQUENT TO WETTING.
References Cited (Backward Citations)
US1266766A
Cited
US2273677A
Cited
US2504417A
Cited
US2686744A
Cited
US2686725A
Cited
US2686726A
Cited
US2845357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |