US3567607A
Expired / Lapsed
US
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Irradiated metal-polymer compositions
Assignee: Dow Chemical Co
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Filing: 1966-02-18
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Granted: 1971-03-02
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Expires: 1986-02-18
Abstract
Abstract A COMPOSITION USEFUL FOR FABRICATING AN ARTICLE HAVING IMPROVED TENSILE AND IMPACT STRENGTH, SAID COMPOSITON COMPRISING A LEAST 40 PERCENT BY VOLUME OF AN IRRADIATED OLEFIN POLYMER SUCH AS POLYETHYLENE AND AT LEAST 40 PERCENT BY VOLUME OF FINELY DIVIDED METILLIC PARTICLES SUCH AN ALUMINUM. THE COMPOSITION IS PREPARED BY DRY BLENDING THE IRRADIATED POLYMER AND THE METALLIC PARTICLES TO FORM A UNIFORM MIXTURE. THE MIXTURE IS THEN FORMED INTO THE ARTICLE DESIRED BY, FOR EXAMPLE, A SUITABLE MOLDING TECHNIQUE.
Inventors
- 👤 Frank L Saunders
- 👤 James K Rieke
- 👤 James W Twining
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:12
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/28; C08K; C08K3/00; C08K3/02; C08K3/08; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/14; H01F1/20; H01F1/22; H01F1/24; H01F1/26; H01F1/28; C08J2323/00; C08J2323/02; Y; Y10; Y10S; Y10S522/00; Y10S522/911; Y10S522/912
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |