US2557519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pest control compositions and process of producing them
Assignee: Union Oil Company of California
•
Filing: 1949-02-18
•
Granted: 1951-06-19
•
Expires: 1969-02-18
Abstract
No abstract record available.
Inventors
- 👤 Davis A Skinner
- 👤 Elvin L Wampler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:28
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PEST CONTROL COMPOSITION ESSENTIALLY COMPRISING AN AQUEOUS DISPERSION COMPRISING BETWEEN ABOUT 0.1 AND ABOUT 5.0 PER CENT BY WEIGHT OF A PRODUCT SELECTED FROM THE CLASS CONSISTING OF MIXED LOWER ALKYL 2,4-DINITROPHENYL SULFIDES AND MIXED LOWER ALKYL 2-NITRO-4-HALOPHENYL SULFIDES IN WHICH THE ALKYL GROUPS CONTAIN FROM 1 TO 7 CARBON ATOMS.
Claim 2
Dependent Claim
52 words
A PEST CONTROL COMPOSITION ESSENTIALLY COMPRISING AN AQUEOUS DISPERSION COMPRISING BETWEEN ABOUT 0.1 AND ABOUT 5.0 PER CENT BY WEIGHT OF A PRODUCT SELECTED FROM THE CLASS CONSISTING OF MIXED LOWER ALKYL 2,4-DINITROPHENYL SULFIDES AND MIXED LOWER ALKYL 2-NITRO-4-HALOPHENYL SULFIDES IN WHICH THE ALKYL GROUPS CONTAIN FROM 1 TO 7 CARBON ATOMS.
References Cited (Backward Citations)
US2213214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |