US3020146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of destroying undesirable plants
Assignee: Velsicol Chemical LLC
•
Filing: 1958-09-22
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Granted: 1962-02-06
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Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Sidney B Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:30
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/52; C07C57/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF DESTROYING UNDESIRABLE PLANTS WHICH COMPRISES CONTACTING SAID PLANTS WITH A HERBICIDAL COMPOSITION COMPRISEING AN INERT CARRIER AND AS THE ESSENTIAL ACTIVE INDREDIENT, IN A QUANTITY WHICH IS INJURIOUS TO SAID PLANTS, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA-CHLOROPHENYLACETIC ACID, ITS ESTERS IN WHICH THE ESTERIFYING GROUP IS AN UNSUBSTITUTED ALKYL GROUP CONTAINING FROM ONE TO TEN CARBON ATOMS, ITS ALKALI METAL SALTS, ITS ANHYDRIDE, ITS AMINE SALTS IN WHICH THE AMINE COMPONENT CONTAINS UP TO TEN CARBONS ATOMS, AND ITS AMIDES IN WHICH THE AMINE COMPONENT CONTAINS UP TO TEN CARBON ATOMS.
Claim 2
Independent Claim
97 words
A METHOD OF DESTROYING UNDESIRABLE PLANTS WHICH COMPRISES CONTACTING SAID PLANTS WITH A HERBICIDAL COMPOSITION COMPRISEING AN INERT CARRIER AND AS THE ESSENTIAL ACTIVE INDREDIENT, IN A QUANTITY WHICH IS INJURIOUS TO SAID PLANTS, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALPHA-CHLOROPHENYLACETIC ACID, ITS ESTERS IN WHICH THE ESTERIFYING GROUP IS AN UNSUBSTITUTED ALKYL GROUP CONTAINING FROM ONE TO TEN CARBON ATOMS, ITS ALKALI METAL SALTS, ITS ANHYDRIDE, ITS AMINE SALTS IN WHICH THE AMINE COMPONENT CONTAINS UP TO TEN CARBONS ATOMS, AND ITS AMIDES IN WHICH THE AMINE COMPONENT CONTAINS UP TO TEN CARBON ATOMS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |