US2675409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 2, 4, 6-trichloroaniline
Assignee: Ethyl Corp
•
Filing: 1952-01-04
•
Granted: 1954-04-13
•
Expires: 1972-01-04
Abstract
No abstract record available.
Inventors
- 👤 Harold D Orloff
- 👤 John P Napolitano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:41
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/68; C07C209/74; C07C209/04; C07C209/06; C07C209/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PROCESS FOR MANUFACTURING 2,4,6-TRICHLOROANILINE WHICH COMPRISES DISSOLVING FRESHLY DISTILLED ANILINE IN AN ANHYDROUS INERT ORGANIC SOLVENT SYSTEM, REACTING THE ANILINE SUBSTANTIALLY COMPLETELY WITH ANHYDROUS HYDROGEN HALIDE, AND REACTING A STOICHIOMETIC EXCESS OF ANHYDROUS CHLORINE WITH THE SO-PRODUCED ANILINE HYDROHALIDE.
Claim 2
Dependent Claim
40 words
A PROCESS FOR MANUFACTURING 2,4,6-TRICHLOROANILINE WHICH COMPRISES DISSOLVING FRESHLY DISTILLED ANILINE IN AN ANHYDROUS INERT ORGANIC SOLVENT SYSTEM, REACTING THE ANILINE SUBSTANTIALLY COMPLETELY WITH ANHYDROUS HYDROGEN HALIDE, AND REACTING A STOICHIOMETIC EXCESS OF ANHYDROUS CHLORINE WITH THE SO-PRODUCED ANILINE HYDROHALIDE.
References Cited (Backward Citations)
US1303624A
Cited
GB334217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |