US3365347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of nuclear substituted aromatic amines
Assignee: Honeywell International Inc
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Filing: 1963-07-25
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Granted: 1968-01-23
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Richard B Lund
- 👤 Vitrone John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:15
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C07; C07C; C07C209/00; C07C209/68; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C08G18/3206; C08G18/70; C08G18/72; C08G18/74; C08G18/76; C08G18/7657; C08G18/7664; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A PROCESS FOR THE PRODUCTION OF AROMATIC AMINES SUBSTITUTED IN THE NUCLEUS BY AT LEAST ONE ARALKYL GROUP WHICH COMPRISES REACTING IN ADMIXTURE AT A TEMPERATURE WITHIN A RANGE OF ABOUT 60-140*C. IN THE PRESENCE OF AN ANHYDROUS ACID-ACTIVATED CLAY, AN AROMATIC AMINE HAVING THE FORMULA:
Claim 2
Dependent Claim
46 words
A PROCESS FOR THE PRODUCTION OF AROMATIC AMINES SUBSTITUTED IN THE NUCLEUS BY AT LEAST ONE ARALKYL GROUP WHICH COMPRISES REACTING IN ADMIXTURE AT A TEMPERATURE WITHIN A RANGE OF ABOUT 60-140*C. IN THE PRESENCE OF AN ANHYDROUS ACID-ACTIVATED CLAY, AN AROMATIC AMINE HAVING THE FORMULA:
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |