US2600045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal composition and method of weed control
Assignee: Shell Development Co
•
Filing: 1950-08-26
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Granted: 1952-06-10
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Expires: 1970-08-26
Abstract
No abstract record available.
Inventors
- 👤 Blondeau Rene
- 👤 Johannes Van Overbeek
- 👤 Richard R Whetstone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:53
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/34; A01N43/40; A01N25/00; A01N25/02; A01N27/00; A01N31/00; A01N31/08; A01N61/00; A01N61/02; A01N2300/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A COMPOSITION OF MATTER COMPRISING A MAJOR AMOUNT OF A HYDROCARBON OIL HAVING AT LEAST A 10% AROMATIC CONTENT, SAID OIL BOILING WITHIN THE RANGE FROM ABOUT 275* F. TO ABOUT 550* F., AND A MINOR AMOUNT OF A HYDROCARBON SUBSTITUENT HAS PHENOL IN WHICH THE HYDROCARBON SUBSTITUENT HAS FROM 8 TO 9 CARBON ATOMS.
References Cited (Backward Citations)
US2160929A
Cited
US2392859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |