US2755271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tough rigid composition of neoprene and vinyl chloride polymer
Assignee: Uniroyal Inc
•
Filing: 1952-11-19
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Granted: 1956-07-17
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Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 Pliny O Tawney
- 👤 Robert H Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:04
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A RIGID, UNPLASTICIZED, THERMOPLASTIC COMPOSITION CHARACTERIZED BY AN IZOD IMPACT STRENGTH OF AT LEAST 1.6 FOOT-POUNDS PER INCH OF NOTCH, AND A FLEXURAL MODULUS OF AT LEAST 100,000 POUNDS PER SQUARE INCH, CONSISTING ESSENTIALLY OF AN INTIMATE BINARY FUSION BLEND OF FROM 5 TO 20 PARTS OF POLYCHLOROPRENE RUBBER AND COMPLEMENTARILY FROM 95 TO 80 PARTS OF A VINYL CHLORIDE POLYMER, SAID COMPOSITION BEING FURTHER CHARACTERIZED BY THE FACT THAT A MOLDED SAMPLE THEREOF BECOMES WHITE UPON BENDING.
Claim 2
Dependent Claim
78 words
A RIGID, UNPLASTICIZED, THERMOPLASTIC COMPOSITION CHARACTERIZED BY AN IZOD IMPACT STRENGTH OF AT LEAST 1.6 FOOT-POUNDS PER INCH OF NOTCH, AND A FLEXURAL MODULUS OF AT LEAST 100,000 POUNDS PER SQUARE INCH, CONSISTING ESSENTIALLY OF AN INTIMATE BINARY FUSION BLEND OF FROM 5 TO 20 PARTS OF POLYCHLOROPRENE RUBBER AND COMPLEMENTARILY FROM 95 TO 80 PARTS OF A VINYL CHLORIDE POLYMER, SAID COMPOSITION BEING FURTHER CHARACTERIZED BY THE FACT THAT A MOLDED SAMPLE THEREOF BECOMES WHITE UPON BENDING.
References Cited (Backward Citations)
US2278833A
Cited
GB539834A
Cited
GB599937A
Cited
US2658050A
Cited
US2658053A
Cited
US2658051A
Cited
US2624682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |