US3562367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing thermoplastic resin foam
Assignee: Toray Industries Inc
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Filing: 1965-02-25
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Granted: 1971-02-09
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Expires: 1985-02-25
Abstract
Abstract THE PRODUCTION OF A FOAMED THERMOPLASTIC RESIN BY APPLYING AN IONIZING RADIATION TO A SHEET WHICH IS FORMED OF AN OLEFINIC RESINOUS COMPOSITION AND A FOAMING AGENT, AND THEREAFTER FLOATING THE SHEET ON A HEATED BATH WHILE IRRADIATING IT FROM ABOVE WITH HEAT RAYS.
Inventors
- 👤 Yasuo Shinohara
- 👤 Toshimasa Takahashi
- 👤 Kenji Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:40
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; Y; Y10; Y10S; Y10S264/00; Y10S264/18; Y10S264/64; Y10S521/00; Y10S521/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |