US3230257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylated aromatic amines
Assignee: Universal Oil Products Co
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Filing: 1963-02-13
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Granted: 1966-01-18
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Expires: 1983-02-13
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:05
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60; C07C209/04; C07C209/06; C07C209/08; C07C209/10; C07C209/24; C07C209/68; C07C209/82; C07C209/84; C07C211/00; C07C211/01; C07C211/26; C07C211/27; C07C211/43; C07C211/44; C07C211/49; C07C211/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE PRODUCTION OF A NUCLEARLY AND NALKYLATED AROMATIC AMINE WHICH COMPRISES ALKYLATING A HYDROHALIDE SALT OF AN AROMATIC AMINE WITH AN OLEFIN OF FROM 2 TO 12 CARBON ATOMS PER MOLECULE AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 200* TO ABOUT 400* C. AND AT A PRESSURE WITHIN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 150 ATMOSPHERES, AND RECOVERING THE RESULTANT NUCLEARLY AND N-ALKYLATED AROMATIC AMINE.
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE PRODUCTION OF A NUCLEARLY AND NALKYLATED AROMATIC AMINE WHICH COMPRISES ALKYLATING A HYDROHALIDE SALT OF AN AROMATIC AMINE WITH AN OLEFIN OF FROM 2 TO 12 CARBON ATOMS PER MOLECULE AT A TEMPERATURE IN THE RANGE OF FROM ABOUT 200* TO ABOUT 400* C. AND AT A PRESSURE WITHIN THE RANGE OF FROM ABOUT ATMOSPHERIC TO ABOUT 150 ATMOSPHERES, AND RECOVERING THE RESULTANT NUCLEARLY AND N-ALKYLATED 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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |