US3738907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic laminates bonded together by block copolymers
Assignee: BASF SE
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Filing: 1971-05-24
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Granted: 1973-06-12
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Expires: 1991-05-24
Abstract
Abstract LAMINATES CONSISTING OF AT LEAST TWO THERMOPLASTICS BONDED TOGETHER BY AN ADHESIVE. THE ADHESIVE IS A BLOCK COPOLYMER OF THE FORMULA A-B, IN WHICH A IS A POLYVINYLAROMATIC BLOCK AND B IS A POLYOLEFIN BLOCK. THE LAMINATES MAY BE USED IN THE MANUFACTURE OF DOMESTIC APPLIANCES, IN THE AUTOMOBILEE INDUSTRY OR FOR PACKAGING APPLICATIONS.
Inventors
- 👤 K Bronstert
- 👤 V Ladenberger
- 👤 A Hofmann
- 👤 G Fahrbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:08
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B15/00; B32B15/04; B32B15/08; B32B15/082; B32B15/20; B32B27/30; B32B27/302; B32B27/32; B32B7/00; B32B7/04; B32B7/12; C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; C08J5/128; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/266; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |