Patent US2847293A successfully refreshed from Google Patents.
US2847293A
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Plant growth control and herbicidal composition and process of using the same
Assignee: Chipman Chemical Co Inc
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Filing: 1955-05-23
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Granted: 1958-08-12
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Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Linden E Harris
- 👤 Vernon L Hall
- 👤 Frank J Seibert
- 👤 Irvin W Bales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:34
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/30; A01N55/00; A01N55/02; A01N55/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A PLANT GROWTH CONTROL AND HERBICIDAL COMPOSITION CAPABLE WHEN APPLIED IN ONE APPLICATION AT A SUFFICIENT RATE OF IMPARTING A LONG-LASTING SOIL STERILANT EFFECT AGAINST THE GROWTH OF GRASSES AND DEEP-ROOTED AND LEAFY PLANTS ENDURING AT LEAST 9/12 MONTHS, SAID COMPOSITION COMPRISING AS THE ESSENTIALLY ACTIVE INGREDIENTS AN ALKALI METAL CHLORATE AND AN AMOUNT WITH THE RANGE FROM ABOUT 0.5 TO ABOUT 10% BY WEIGHT OF THE ACTIVE INGREDIENTS OF AN N-ARYL UREA COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
77 words
A PLANT GROWTH CONTROL AND HERBICIDAL COMPOSITION CAPABLE WHEN APPLIED IN ONE APPLICATION AT A SUFFICIENT RATE OF IMPARTING A LONG-LASTING SOIL STERILANT EFFECT AGAINST THE GROWTH OF GRASSES AND DEEP-ROOTED AND LEAFY PLANTS ENDURING AT LEAST 9/12 MONTHS, SAID COMPOSITION COMPRISING AS THE ESSENTIALLY ACTIVE INGREDIENTS AN ALKALI METAL CHLORATE AND AN AMOUNT WITH THE RANGE FROM ABOUT 0.5 TO ABOUT 10% BY WEIGHT OF THE ACTIVE INGREDIENTS OF AN N-ARYL UREA COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2700604A
Cited
US2709648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |