US3636170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing halogenated aromatics
Assignee: Gulf Research and Development Co
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Filing: 1969-07-03
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Granted: 1972-01-18
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Expires: 1989-07-03
Abstract
Abstract A PROCESS FOR PREPARING A NUCLEAR CHLORO OR NUCLEAR BROMO AROMATIC COMPOUND WHCIH INVOLVES HEATING AN AROMATIC COMPOUND IN THE PRESENCE OF A NITRATE ION, A NITRITE ION, NO OR NO2, A CHLORIDE OR BROMIDE ION, WATER, OXYGEN AND A STRONG ACID.
Inventors
- 👤 Vincent A Notaro
- 👤 Charles M Selwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/152; C07C17/156; C07C17/10; C07C17/12; C07C17/158
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |