Patent US3057922A successfully refreshed from Google Patents.
US3057922A
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Preparation of amino substituted aromatic compounds
Assignee: Universal Oil Products Co
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Filing: 1959-10-23
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Granted: 1962-10-09
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Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
- 👤 John P Luvisi
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:07
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/43; C07C211/44; C07C211/52; C07C209/00; C07C209/04; C07C209/06; C07C209/10; C07C209/30; C07C209/32; C07C209/36; C07C211/45; C07C211/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR THE PREPARATION OF AN AMINO SUBSTITUTED AROMATIC COMPOUND WHICH COMPRISES DIRECTLY AMMONOLYZING A NUCLEARLY HALOGENATED AROMATIC HYDROCARBON CONTAINING AT LEAST TWO HALOGEN ATOMS ON THE RING AND CONSISTING OF CARBON, HYDROGEN AND HALOGEN WITH AN AQUEOUS SOLUTION OF AMMONIA AND AN AMMONIUM SALT AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 50* TO ABOUT 350*C. TO FORM AN AROMATIC COMPOUND CONTAINING AN AMINO RADICAL ON THE RING AND HAVING AT LEAST ONE HALOGEN SUBSTITUENT LESS ON THE RING THAN SAID HALOGENATED AROMATIC HYDROCARBON.
Claim 2
Dependent Claim
87 words
A PROCESS FOR THE PREPARATION OF AN AMINO SUBSTITUTED AROMATIC COMPOUND WHICH COMPRISES DIRECTLY AMMONOLYZING A NUCLEARLY HALOGENATED AROMATIC HYDROCARBON CONTAINING AT LEAST TWO HALOGEN ATOMS ON THE RING AND CONSISTING OF CARBON, HYDROGEN AND HALOGEN WITH AN AQUEOUS SOLUTION OF AMMONIA AND AN AMMONIUM SALT AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 50* TO ABOUT 350*C. TO FORM AN AROMATIC COMPOUND CONTAINING AN AMINO RADICAL ON THE RING AND HAVING AT LEAST ONE HALOGEN SUBSTITUENT LESS ON THE RING THAN SAID HALOGENATED AROMATIC HYDROCARBON.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |