US3816505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of halogenated dicyanobenzenes
Assignee: Texaco Inc
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Filing: 1972-10-19
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Granted: 1974-06-11
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Expires: 1992-10-19
Abstract
Abstract A PROCESS FOR PREPARING HALOGENATED DERIVATIVES OF DICYANOBENZENES BY A DIRECT VAPOR PHASE REACTION OF A HALOGEN AND A DICYANOBENZENE IN AN OPEN TUBE. HALOGENATED DICYANOBENZENES ARE REPORTED IN HORST SCHEUERMANN''S U.S. PAT. 3,290,353 (1966) AND ROBERT D. BATTERSHELL''S U.S. PAT. 3,331,735 (1967) TO BE USEFUL AS FUNGICIDES, BACTERICIDES AND NEMATOCIDES.
Inventors
- 👤 L Watts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:50
CPC Classifications
C; C07; C07C; C07C255/00; C07C255/49; C07C255/50; C07C255/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |