US3322613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated sheet material
Assignee: Phillips Petroleum Co
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Filing: 1963-02-11
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Granted: 1967-05-30
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Rasmussen Ole-Bendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:41
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10S428/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31938
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
83 words
A LAMINATED FILM, COMPRISING AT LEAST TWO UNILINEARLY ORIENTED LAYER OF A MATERIAL SELECTED FROM THE GROUP OF THE LINEAR, SATURATED, HIGHLY CRYSTALLINE AND SPHEROLITEFORMING SUPERPOLYMERISATES, CONSISTING OF NYLON, TEREPHTHALIC ACID POLYESTERS, POLYETHYLENE ISOTATIC POLYPROPYLENE AND POLYVINYLIDENE CHLORIDE, THE ORIENATION OF WHICH HAS BEEN CARRIED OUT BY STRETCHING AT A TEMPERATURE FAR BELOW THE CRYSTAL MELTING POINT, AND THE DIRECTIONS OF ORIENTATION OF ADJACENT LAYERS FORMING AN ANGLE WITH ONE ANOTHER, SAID LAYERS BEING FLEXIBLY BONDED TOGETHER BY MEANS OF A PRESSURE-SENSITIVE ADHESIVE.
Claim 2
Dependent Claim
83 words
A LAMINATED FILM, COMPRISING AT LEAST TWO UNILINEARLY ORIENTED LAYER OF A MATERIAL SELECTED FROM THE GROUP OF THE LINEAR, SATURATED, HIGHLY CRYSTALLINE AND SPHEROLITEFORMING SUPERPOLYMERISATES, CONSISTING OF NYLON, TEREPHTHALIC ACID POLYESTERS, POLYETHYLENE ISOTATIC POLYPROPYLENE AND POLYVINYLIDENE CHLORIDE, THE ORIENATION OF WHICH HAS BEEN CARRIED OUT BY STRETCHING AT A TEMPERATURE FAR BELOW THE CRYSTAL MELTING POINT, AND THE DIRECTIONS OF ORIENTATION OF ADJACENT LAYERS FORMING AN ANGLE WITH ONE ANOTHER, SAID LAYERS BEING FLEXIBLY BONDED TOGETHER BY MEANS OF A PRESSURE-SENSITIVE ADHESIVE.
Claim 3
Dependent Claim
45 words
THE LAMINAED FILM OF CLAIM 1, IN WHICH THE LAYERS ARE MADE FROM 90% BY WEIGHT OF POLYETHYLENE AND 10% BY WEIGHT OF POLYISOBUTYLENE, AND THE ADHESIVE IS A MIXTURE OF A POLYVINYLBUTYL ETHER WITH 20 TO 30% BY WEIGHT OF A MICROCRYSTALLINE MINERAL WAX.
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) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |