Patent US2825640A successfully refreshed from Google Patents.
US2825640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of defoliating plants
Assignee: EIDP Inc
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Filing: 1953-07-09
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Granted: 1958-03-04
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Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Richard D Northeraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:59
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD OF DEFOLIATING A PLANT WHICH COMPRISES APPLYING TO THE PLANT, IN A DEFOLIATING AMOUNT, A DEFOILANT COMPOSITION COMPRISING AN ALIPHATIC CARBOXYLIC COMPOUND OF THE GROUP CONSISTING OF POLYENOIC ACIDS, POLYHALOGENATED WITH HALOGEN FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE AND CONTAINING FROM 5 TO 12 CARBON ATOMS, AND SALTS, ESTERS, AND AMIDES OF SAID ACIDS.
Claim 2
Independent Claim
58 words
A METHOD OF DEFOLIATING A PLANT WHICH COMPRISES APPLYING TO THE PLANT, IN A DEFOLIATING AMOUNT, A DEFOILANT COMPOSITION COMPRISING AN ALIPHATIC CARBOXYLIC COMPOUND OF THE GROUP CONSISTING OF POLYENOIC ACIDS, POLYHALOGENATED WITH HALOGEN FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE AND CONTAINING FROM 5 TO 12 CARBON ATOMS, AND SALTS, ESTERS, AND AMIDES OF SAID ACIDS.
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) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |