Patent US2803674A successfully refreshed from Google Patents.
US2803674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aralkyl halide stabilizers
Assignee: FMC Corp
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Filing: 1953-12-31
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Granted: 1957-08-20
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Expires: 1973-12-31
Abstract
No abstract record available.
Inventors
- 👤 Charles A Heiberger
- 👤 Jr Phil K Reily
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:17
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A STABILIZED ARALKYL HALIDE COMPOSITION, COMPRISING: AN ARALKYL HALIDE AND AN EFFECTIVE STABILIZING PROPORTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, SULFURIC ACID, PHTHALIC ACID, AND ACID SALTS OF THE FOREGOING ACIDS WITH AMMONIUM AND ALKALI METAL IONS.
Claim 2
Dependent Claim
42 words
A STABILIZED ARALKYL HALIDE COMPOSITION, COMPRISING: AN ARALKYL HALIDE AND AN EFFECTIVE STABILIZING PROPORTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, SULFURIC ACID, PHTHALIC ACID, AND ACID SALTS OF THE FOREGOING ACIDS WITH AMMONIUM AND ALKALI METAL IONS.
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |