Patent US3710056A successfully refreshed from Google Patents.
US3000866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of ethylene
Assignee: EIDP Inc
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Filing: 1959-10-26
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Granted: 1961-09-19
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Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Tarney Robert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:05
CPC Classifications
C; C08; C08F; C08F210/00; C08F210/16; C08F210/18; C08F236/00; C08F236/02; C08F236/04; C08L; C08L23/00; C08L23/02; C08L23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A RUBBERY COPOLYMER OF ETHYLENE CONSISTING OF ETHYLENE, AT LEAST ONE ALPHA OLEFIN HAVING THE STRUCTURE R-CH=CH2, IN WHICH ALPHA OLEFIN R IS A C1-C8 ALKYL RADICAL, AND DICYCLOPENTADIENE, THERE BEING AT LEAST ABOUT 20% TO ABOUT 74.5% ETHYLENE UNITS BY WEIGHT AND AT LEAST ABOUT 25% TO ABOUT 79.5% OF SAID ALPHA OLEFIN UNITS BY WEIGHT, AND, ABOUT 0.5 TO 10% OF DICYCLOPENTADIENE UNITS BY WEIGHT IN SAID COPOLYMER.
Claim 2
Dependent Claim
70 words
A RUBBERY COPOLYMER OF ETHYLENE CONSISTING OF ETHYLENE, AT LEAST ONE ALPHA OLEFIN HAVING THE STRUCTURE R-CH=CH2, IN WHICH ALPHA OLEFIN R IS A C1-C8 ALKYL RADICAL, AND DICYCLOPENTADIENE, THERE BEING AT LEAST ABOUT 20% TO ABOUT 74.5% ETHYLENE UNITS BY WEIGHT AND AT LEAST ABOUT 25% TO ABOUT 79.5% OF SAID ALPHA OLEFIN UNITS BY WEIGHT, AND, ABOUT 0.5 TO 10% OF DICYCLOPENTADIENE UNITS BY WEIGHT IN SAID COPOLYMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |