Patent US2606830A successfully refreshed from Google Patents.
US2606830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable concentrated herbicidal compositions
Assignee: Pittsburgh Coke and Chemical Co
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Filing: 1949-03-08
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Granted: 1952-08-12
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Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 Kamlet Jonas
- 👤 William T Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:22
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A CONCENTRATED, HERBICIDAL COMPOSITION HAVIN A PH IN EXCESS OF 7.0 CONTAINING A CHLORINATED ARYLOXYACETIC ACID CAPABLE OF BEING DILUTED WITH WATER CONTAINING ALKALINE EARTH METAL IONS TO FORM A DILUTED SPRAY SOLUTION STABILIZED AGAINST FORMING AN INSOLUBLE ALKALINE EARTH METAL SALT OF THE ARYLOXYACETIC ACID IN AN APPRECIABLE PERIOD OF TIME WHICH COMPRISES 20 TO 95% OF A WATERSOLUBLE AMINE SALE OF A CHLOROPHENOXYACETIC ACID, 0.3 TO 2.0% OF A CATION-SEQUESTERING AGENT OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
77 words
A CONCENTRATED, HERBICIDAL COMPOSITION HAVIN A PH IN EXCESS OF 7.0 CONTAINING A CHLORINATED ARYLOXYACETIC ACID CAPABLE OF BEING DILUTED WITH WATER CONTAINING ALKALINE EARTH METAL IONS TO FORM A DILUTED SPRAY SOLUTION STABILIZED AGAINST FORMING AN INSOLUBLE ALKALINE EARTH METAL SALT OF THE ARYLOXYACETIC ACID IN AN APPRECIABLE PERIOD OF TIME WHICH COMPRISES 20 TO 95% OF A WATERSOLUBLE AMINE SALE OF A CHLOROPHENOXYACETIC ACID, 0.3 TO 2.0% OF A CATION-SEQUESTERING AGENT OF THE GENERAL FORMULA:
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) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |