Patent US2864736A successfully refreshed from Google Patents.
US2864736A
Expired / Lapsed
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Methods of combatting fungi employing thiourea salts of sulfonic acids
Assignee: Shell Development Co
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Filing: 1954-08-12
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Granted: 1958-12-16
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Expires: 1974-08-12
Abstract
No abstract record available.
Inventors
- 👤 Hackmann Johannes Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:58
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/40; A01N47/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
THE METHOD OF PROTECTING PLANTS FROM DESTRUCTION BY FUNGI WHICH COMPRISES TREATING SAID PLANTS WITH A FUNGICIDAL TOXIC AMOUNT OF AN S-ALKYLTHIOUREA SALT IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 14 CARBONN ATOMS OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ALKYLATED BENZENE, NAPHTHALENE AND PHENOL SULFONIC ACIDS AND OIL-SOLUBLE PETROLEUM SULFONIC ACIDS HAVING FROM 12 TO 26 CARBON ATOMS, MONOCARBOXYLIC ACIDS HAVING FROM 8 TO 26 CARBON ATOMS, AND ALIPHATIC MONOSULFATE ACIDS HAVING FROM 8 TO 18 CARBON ATOMS.
References Cited (Backward Citations)
US2156193A
Cited
US2347966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |