US2579434A
Expired / Lapsed
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Parasiticidal composition
Assignee: Dow Chemical Co
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Filing: 1949-02-02
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Granted: 1951-12-18
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Expires: 1969-02-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Kenaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:42
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A COMPOUND FOR THE CONTROL OF MITES AND SPIDER MITES COMPRISING 4-NITROPHENYL DIETHYL THIOPHOSPHATE AND 4-CHLOROPHENYL 4-CHLOROBENZENE SULFONATE IN SUCH PROPORTIONS AS TO BE MUTUALLY ACTIVATING, AND WAHEREIN FROM ABOUT 1 TO 10 PARTS BY WEIGHT OF 4-CHLOROPHENYL 4-CHLOROBENZENE SULFONATE IS PRESENT FOR EACH PART BY WEIGHT 4-NITROPHENYL DIETHYL THIOPHOSPHATE.
Claim 2
Dependent Claim
50 words
A COMPOUND FOR THE CONTROL OF MITES AND SPIDER MITES COMPRISING 4-NITROPHENYL DIETHYL THIOPHOSPHATE AND 4-CHLOROPHENYL 4-CHLOROBENZENE SULFONATE IN SUCH PROPORTIONS AS TO BE MUTUALLY ACTIVATING, AND WAHEREIN FROM ABOUT 1 TO 10 PARTS BY WEIGHT OF 4-CHLOROPHENYL 4-CHLOROBENZENE SULFONATE IS PRESENT FOR EACH PART BY WEIGHT 4-NITROPHENYL DIETHYL THIOPHOSPHATE.
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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |