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US4444841A
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Extruded AES film
Assignee: Polycast Technology Corp
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Filing: 1982-08-09
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Granted: 1984-04-24
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Expires: 2002-08-09
Abstract
Abstract An extruded AES film in which the AES contains 15-30% rubber having a thickness of 1 to 10 mils, and a laminate of such film to another material, such as a metallic or cellulosic base.
Inventors
- 👤 Robert D. Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:32
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/30; B32B27/302; B32B15/00; B32B15/04; B32B15/08; B32B15/082; B32B27/18; B32B27/20; B32B27/308; B32B2309/00; B32B2309/08; B32B2309/10; B32B2309/105; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/269; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31699; Y10T428/31826; Y10T428/31841; Y10T428/31855; Y10T428/3188; Y10T428/31931
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
A laminate comprising a cellulosic or metal base having on at least one surface a layer of blown extruded AES film, containing 18-28% rubber, having a thickness of from 1 to 10 mils.
Claim 2
Dependent Claim
33 words
A laminate comprising a cellulosic or metal base having on at least one surface a layer of blown extruded AES film, containing 18-28% rubber, having a thickness of from 1 to 10 mils.
Claim 3
Dependent Claim
23 words
A laminate as in claim 1 in which the extruded film contains 2 to 20 parts of pigment per 100 parts of AES.
Claim 4
Dependent Claim
20 words
A laminate as in claim 2 in which the resin forming materials in the extruded film are styrene and acrylonitrile.
References Cited (Backward Citations)
US3489821A
Cited
US4202948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-24 | 1987-10-24 | 1988-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-24 | 1991-10-24 | 1992-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-24 | 1995-10-24 | 1996-04-24 | $7700.00 | Window Closed / Lapsed |