US2625571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di-(alkylphenyl)-alkenes
Assignee: Universal Oil Products Co
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Filing: 1951-06-21
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Granted: 1953-01-13
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Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Pines Herman
- 👤 Vladimir N Ipatieff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:16
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
18 words
A 1-(4-ALKYLPHENYL) - 1 - (2-ALKYL-5-CYCLOALKALKYL) -PHENYL-2-CYCLOALKYL-1-ALKENE IN WHICH THE ALKENE GROUP CONTAINS AT LEAST THREE CARBON ATOMS.
References Cited (Backward Citations)
US2221271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |