US4582948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-chloro-4-fluoro-5-nitrobenzotrifluoride
Assignee: Occidental Chemical Corp
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Filing: 1984-04-27
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Granted: 1986-04-15
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Expires: 2004-04-27
Abstract
Abstract Chloro-aromatic compounds of the formula ##STR1## wherein R is CF 3 , OCF 3 , OC 2 F 5 , CN, NCO, or COCl, m is 0, 1 or 2; n is 0, 1 or 2; q is 1 or 2; q+m+n is less than 6; and when q is 1, m is 2; are prepared by the vapor phase chloro-denitration reaction of a chlorinating agent with a nitro-aromatic compound of the formula ##STR2## where R, m, n and q are as defined above.
Inventors
- 👤 David Y. Tang
- 👤 Byron R. Cotter
- 👤 Fredrick J. Goetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:29
CPC Classifications
C; C07; C07C; C07C63/00; C07C63/68; C07C63/70; C07B; C07B39/00; C07C17/00; C07C17/093; C07C201/00; C07C201/06; C07C201/12; C07C205/00; C07C205/07; C07C205/11; C07C205/12; C07C25/00; C07C25/02; C07C25/13; C07C37/00; C07C37/01; C07C37/02; C07C41/00; C07C41/01; C07C41/18; C07C41/22; C07C51/00; C07C51/097; C07C51/347; C07C51/363; C07C51/58; C07C51/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
3-chloro-4-fluoro-5-nitrobenzotrifluoride.
Claim 2
Dependent Claim
1 words
3-chloro-4-fluoro-5-nitrobenzotrifluoride.
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) | 1989-04-14 | 1989-10-14 | 1990-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-14 | 1993-10-14 | 1994-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-14 | 1997-10-14 | 1998-04-15 | $7700.00 | Window Closed / Lapsed |