US2690965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition
Assignee: Standard Oil Development Co
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Filing: 1953-04-29
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Granted: 1954-10-05
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Expires: 1973-04-29
Abstract
No abstract record available.
Inventors
- 👤 Emond Robert Earl
- 👤 Moffat Francis Grant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:05
CPC Classifications
A; A01; A01N; A01N61/00; A01N61/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A METHOD OF SELECTIVELY ERADICATING WEEDS FROM TRANSPLANTED CELERY PLOTS WHICH COMPRISES DISTRIBUTING SO AS TO EFFECT CONTACT WITH THE WEEDS AN AQUEOUS EMULSTION OF A REFINED PETROLEUM OIL HAVING A BOILING POINT RANGE OF 300*-400* F., AN AROMATIC CONTENT OF FROM 6 TO 24 VOLUME PER CENT, AND A NAPHTHENIC CONTENT OF FROM 41 TO 94 VOLUME PER CENT, SAID EMULSION CONTAINING AN OIL-SOLUBLE EMULSIFYING AGENT WHICH LOWERS THE SURFACE TENSION OF WATER, THE PETROLEUM OIL BEING PRESENT IN AN AMOUNT OF ABOUT 60 TO 30 VOLUME PER CENT, THE OIL SOLUBLE EMULSIFYING AGENT BEING PRESENT IN AN AMOUNT OF ABOUT 1 TO 5 VOLUME PER CENT WITH THE BALANCE WATER AND THE AQUEOUS EMULSTION BEING APPLIED TO THE TRANSPLANTED CELERY PLOT IN AN AMOUNT OF ABOUT 20 TO 100 GALLONS PER ACRE.
Claim 2
Independent Claim
134 words
A METHOD OF SELECTIVELY ERADICATING WEEDS FROM TRANSPLANTED CELERY PLOTS WHICH COMPRISES DISTRIBUTING SO AS TO EFFECT CONTACT WITH THE WEEDS AN AQUEOUS EMULSTION OF A REFINED PETROLEUM OIL HAVING A BOILING POINT RANGE OF 300*-400* F., AN AROMATIC CONTENT OF FROM 6 TO 24 VOLUME PER CENT, AND A NAPHTHENIC CONTENT OF FROM 41 TO 94 VOLUME PER CENT, SAID EMULSION CONTAINING AN OIL-SOLUBLE EMULSIFYING AGENT WHICH LOWERS THE SURFACE TENSION OF WATER, THE PETROLEUM OIL BEING PRESENT IN AN AMOUNT OF ABOUT 60 TO 30 VOLUME PER CENT, THE OIL SOLUBLE EMULSIFYING AGENT BEING PRESENT IN AN AMOUNT OF ABOUT 1 TO 5 VOLUME PER CENT WITH THE BALANCE WATER AND THE AQUEOUS EMULSTION BEING APPLIED TO THE TRANSPLANTED CELERY PLOT IN AN AMOUNT OF ABOUT 20 TO 100 GALLONS PER ACRE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |