Patent US2769702A successfully refreshed from Google Patents.
US2769702A
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Herbicidal composition
Assignee: Individual
•
Filing: 1952-02-09
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Granted: 1956-11-06
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Expires: 1972-02-09
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:28
CPC Classifications
A; A01; A01N; A01N59/00; A01N59/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN HERBICIDAL COMPOSITION COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM AND AMINE SALTS OF FLUOSILICIC ACID IN PHYTOTOXIC CONCENTRATION, SAID COMPOSITION CONTAINING SUFFICIENT NON-IONIC WETTING AGENT TO IMPART TO AN ACQUEOUS SOLUTION OF THE COMPOSITION CONTAINING FROM 3 TO 15% OF SAID COMPOUND A SURFACE TENSION BELOW ABOUT 50 DYNES PER CENTIMETER AT 23* C.
Claim 2
Dependent Claim
58 words
AN HERBICIDAL COMPOSITION COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM AND AMINE SALTS OF FLUOSILICIC ACID IN PHYTOTOXIC CONCENTRATION, SAID COMPOSITION CONTAINING SUFFICIENT NON-IONIC WETTING AGENT TO IMPART TO AN ACQUEOUS SOLUTION OF THE COMPOSITION CONTAINING FROM 3 TO 15% OF SAID COMPOUND A SURFACE TENSION BELOW ABOUT 50 DYNES PER CENTIMETER AT 23* C.
References Cited (Backward Citations)
US2075359A
Cited
DE572101C
Cited
FR760581A
Cited
US2277744A
Cited
US2368275A
Cited
US2390941A
Cited
US2393086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |