US2498302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention and destruction of weeds
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1945-08-27
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Granted: 1950-02-21
•
Expires: 1965-08-27
Abstract
No abstract record available.
Inventors
- 👤 Sexton Wilfred Archibald
- 👤 Slade Roland Edgar
- 👤 Templeman William Gladstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:48
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
A COMPOSITION SUITABLE FOR THE DESTRUCTION AND PREVENTION OF WEEDS CONTAINING (1) AN ACTIVE HERBICIDAL COMPOUND, IN AMOUNT SUFFICIENT TO EXERT HERBICIDAL ACTION, FROM THE GROUP CONSISTING OF (A) HERBICIDAL ACTION, FROM THE GROUP CONSISTING OF (A) BENZOYL-O-BENZOIC ACID, (B) 4''-CHLORO-2-BENZOYL BENZOIC ACID, (C) 4''-METHYL-2-BENZOYL BENZOIC ACID, AND (D) THE WATER-SOLUBLE SALTS OF SAID ACIDS AND (2) A NON-PHYTOCIDAL, DRY, PULVERULENT SOLID WHICH DOES NOT DECREASE THE FERTILITY OF SOIL.
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) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |