US2526567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of nuclear chlorostyrenes by 2, 6-dinitrophenols
Assignee: Dow Chemical Co
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Filing: 1948-07-06
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Granted: 1950-10-17
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Expires: 1968-07-06
Abstract
No abstract record available.
Inventors
- 👤 Stevens S Drake
- 👤 John L Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:27
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOSITION COMPRISING A NUCLEAR CHLOROSTYRENE CONTAINING NOT OVER TWO CHLORINE ATOMS PER MOLECULE AND A 2.6-DINITROPHENOL CORRESPONDING TO THE GENERAL FORMULA
Claim 2
Dependent Claim
22 words
A COMPOSITION COMPRISING A NUCLEAR CHLOROSTYRENE CONTAINING NOT OVER TWO CHLORINE ATOMS PER MOLECULE AND A 2.6-DINITROPHENOL CORRESPONDING TO THE GENERAL 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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |