US3386925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic rubber blends comprising reclaimed rubber and an ethylene/vinyl acetate copolymer
Assignee: Eagle Picher Co
•
Filing: 1965-11-30
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Granted: 1968-06-04
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Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 James R Dillhoefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
C; C08; C08L; C08L17/00; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0853
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A COMPOSITION COMPRISING A BLEND OF (1) A COPOLYMER OF ETHYLENE AND VINYL ACETATE CONTAINING FROM 12 TO 25 WEIGHT PERCENT BASED ON THE COPOLYMER OF VINYL ACETATE AND HAVING A MELT INDEX WITHIN THE RANGE OF 0.1 TO 10 DG. PER MINUTE AND (2) RECLAIMED RUBBER CHARACTERIZED BY AN ACETONE EXTRACT CONTENT OF 7 TO 25 WEIGHT PERCENT, AND ASH CONTENT OF 6 TO 40 WEIGHT PERCENT, A CARBON CONTENT OF 10 TO 25 WEIGHT PERCENT, AND A RUBBER HYDROCARBON CONTENT OF 40 TO 65 WEIGHT PERCENT, SAID COPOLYMER BEING PRESENT IN A CONCENTRATION OF 20 TO 85 WEIGHT PERCENT BASED ON THE BLEND.
References Cited (Backward Citations)
US2543229A
Cited
US3210301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |