US2980735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of aromatic amines
Assignee: Universal Oil Products Co
•
Filing: 1959-05-04
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Granted: 1961-04-18
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Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:19
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS WHICH COMPRISES REACTING ALKYLCYCLOPENTENE HYDROCARBON WITH AMMONIA IN THE PRESENCE OF AN ACID-ACTING ADSORPTIVE SUPPORTING HAVING DEPOSITED THEREON A COMPONENT SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUP VIII OF THE PERIODIC TABLE AND THE OXIDES OF THE METALS OF SUB-GROUPS V, VI, AND VII OF THE PERIODIC TABLE, AND RECOVERING THE RESULTING AROMATIC AMINE.
Claim 2
Dependent Claim
59 words
A PROCESS WHICH COMPRISES REACTING ALKYLCYCLOPENTENE HYDROCARBON WITH AMMONIA IN THE PRESENCE OF AN ACID-ACTING ADSORPTIVE SUPPORTING HAVING DEPOSITED THEREON A COMPONENT SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUP VIII OF THE PERIODIC TABLE AND THE OXIDES OF THE METALS OF SUB-GROUPS V, VI, AND VII OF THE PERIODIC TABLE, AND RECOVERING THE RESULTING AROMATIC AMINE.
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |