Patent US2331704A successfully refreshed from Google Patents.
Patent US3307931A successfully refreshed from Google Patents.
US3307931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method
Assignee: Rohm and Haas Co
•
Filing: 1965-05-03
•
Granted: 1967-03-07
•
Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Victor H Unger
- 👤 Robert E Wolfrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:31
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A HERBICIDAL COMPOSITION COMPRISING A HERBICIDE PRESENT IN AN AMOUNT PER ACRE TO ACHIEVE A DESIRED CONTROL OF WEEDS, IN COMBINATION WITH A HYDROTROPE AND A SURFACTANT WHEREIN THE HYDROTROPE-SURFACTANT COMBINATION IS PRESENT IN THE AMOUNT OF ONE HALF PINT TO TWENTY PINTS AND IN WHICH THE VOLUME RATIO OF HYDROTROPE TO SURFACTANT IS IN THE RANGE OF 10:1 TO 1:10, WHEREIN SAID HERBICIDE IS SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
71 words
A HERBICIDAL COMPOSITION COMPRISING A HERBICIDE PRESENT IN AN AMOUNT PER ACRE TO ACHIEVE A DESIRED CONTROL OF WEEDS, IN COMBINATION WITH A HYDROTROPE AND A SURFACTANT WHEREIN THE HYDROTROPE-SURFACTANT COMBINATION IS PRESENT IN THE AMOUNT OF ONE HALF PINT TO TWENTY PINTS AND IN WHICH THE VOLUME RATIO OF HYDROTROPE TO SURFACTANT IS IN THE RANGE OF 10:1 TO 1:10, WHEREIN SAID HERBICIDE IS SELECTED FROM THE GROUP CONSISTING OF
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |