US3591645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a halogenated aromatic
Assignee: Gulf Research and Development Co
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Filing: 1968-05-20
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Granted: 1971-07-06
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Expires: 1988-05-20
Abstract
Abstract A PROCESS FOR PREPARING A NUCLEAR CHLORO OR NUCLEAR BROMO AROMATIC HYDROCARBON WHICH INVOLVES HEATING AN AROMATIC COMPOUND WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COPPER, MANGANESE, CERIUM, COBALT, VANADIUM, CHROMIUM, IRON, NICKEL, CADMIUM,TIN, ANTIMONY, MERCURY, BISMUTH, THE NOBLE METALS (PLATINUM, PALADIUM IRIDIUM, RHODIUM, OSMIUM AND RUTHENIUM) AND COMPOUNDS OF THESE METALS, A NITRATE ION, A NITRITE ION, NO OR NO2, A CHLORIDE OR BROMIDE ION AND AN INERT SOLVENT.
Inventors
- 👤 Charles M Selwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:06
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/12; C07B; C07B39/00; C07C17/15; C07C17/152; C07C17/156; C07C51/00; C07C51/347; C07C51/363
Claims Analysis
Total Claims: 0
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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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |