Patent US3634546A successfully refreshed from Google Patents.
US3634546A
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Crystalline and amorphous propylene polymer adhesive compositions
Assignee: Eastman Kodak Co
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Filing: 1967-04-05
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Granted: 1972-01-11
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Expires: 1987-04-05
Abstract
Abstract BLENDS OF AMORPHOUS PROPYLENE POLYMERS AND ABOUT 1 TO 30%, PREFERABLY 5 TO 10% BY WEIGHT OF CRYSTALLINE PROPYLENE HOMOPOLYMER, OR CRYSTALLINE BLOCK COPOLYMERS OF PROPYLENE HAVING INHERENT VISCOSITIES OF AT LEAST 1, OR THERMALLY DEGRADED CRYSTALLINE POLYPROPYLENE PROVIDES ADHESIVE COMPOSITION HAVING GOOD COHESIVE STRENGTH TOGETHER WITH EXCELLENT ADHESIVE STRENGTH.
Inventors
- 👤 Hugh John Hagemeyer Jr
- 👤 Raymond Lewis Etter Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:27
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/10; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31678; Y10T428/31692; Y10T428/31826; Y10T428/31833; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31895; Y10T428/31899; Y10T428/31902
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |