US2538728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for control of mite and insect pests
Assignee: Dow Chemical Co
•
Filing: 1949-08-04
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Granted: 1951-01-16
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Expires: 1969-08-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene E Kenaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:43
CPC Classifications
A; A01; A01N; A01N41/00; A01N41/02; A01N41/04; A01N35/00; A01N35/04; A01N29/00; A01N29/10; A01N2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOSITION FOR THE CONTROL OF MITE AND INSECT PESTS COMPRISING AS ACTIVE TOXIC INGREDIENTS (1) 1,1-DI(4-CHLOROPHENYL) -2,2,2-TRICHLOROETHANE AND (2) 4-CHLOROPHENYL ESTER OF 4CHLOROBENZENE SULFONIC ACID, THE ACTIVE TOXIC INGREDIENT OF SUCH COMPOSITION BEING MUTUALLY ACTIVATING.
Claim 2
Dependent Claim
36 words
A COMPOSITION FOR THE CONTROL OF MITE AND INSECT PESTS COMPRISING AS ACTIVE TOXIC INGREDIENTS (1) 1,1-DI(4-CHLOROPHENYL) -2,2,2-TRICHLOROETHANE AND (2) 4-CHLOROPHENYL ESTER OF 4CHLOROBENZENE SULFONIC ACID, THE ACTIVE TOXIC INGREDIENT OF SUCH COMPOSITION BEING MUTUALLY ACTIVATING.
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) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |