US3313786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of 1-monoolefins and fulvenes
Assignee: Phillips Petroleum Co
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Filing: 1964-03-12
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Granted: 1967-04-11
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Expires: 1984-03-12
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Kahle
- 👤 Ollie G Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:31
CPC Classifications
C; C08; C08F; C08F210/00; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A LINEAR AMORPHOUS VULCANIZABLE COPOLYMER CONSISTING ESSENTIALLY OF AT LEAST 20 WIGHT PERCENT ETHYLENE, AT LEAST 20 WEIGHT PERCENT OF ONE OTHER HIGHER 1-MONOOLEFIN OF THE FORMULA CH2=CHR WHERE R IS AN ALKYL RADICAL HAVING 1 TO 6 CARBON ATOMS, AND UP TO 15 WEIGHT PERCENT OF A FULVENE OF THE FORMULA
Claim 2
Dependent Claim
52 words
A LINEAR AMORPHOUS VULCANIZABLE COPOLYMER CONSISTING ESSENTIALLY OF AT LEAST 20 WIGHT PERCENT ETHYLENE, AT LEAST 20 WEIGHT PERCENT OF ONE OTHER HIGHER 1-MONOOLEFIN OF THE FORMULA CH2=CHR WHERE R IS AN ALKYL RADICAL HAVING 1 TO 6 CARBON ATOMS, AND UP TO 15 WEIGHT PERCENT OF A FULVENE OF THE FORMULA
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |