Patent US2882197A successfully refreshed from Google Patents.
US2882197A
Expired / Lapsed
US
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Sulfurized alkyl thioformal fungicidal compositions
Assignee: Collier Carbon and Chemical Corp
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Filing: 1956-12-03
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Granted: 1959-04-14
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Expires: 1976-12-03
Abstract
No abstract record available.
Inventors
- 👤 Irving D Webb
- 👤 Carleton B Scott
- 👤 John W Yale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:49
CPC Classifications
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Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A FUNGICIDAL, BACTERICIDAL AND NEMATOCIDAL COMPOSITION COMPRISING AN INERT PESTICIDAL CARRIER MATERIAL AND, AS THE ESSENTIAL ACTIVE INGREDIENT, A SULFURIZED ALKYUL THIOFORMAL PRODUCT OBTAINED BY HEATING A MIXTURE COMPRISING ELEMENTAL SULFUR AND AN ALKYL THIOFORMAL SELECTED FROM THE CLASS CONSISTING OF DIMETHYL THIOFORMAL AND DEITHYL THIOFORMAL AT A TEMPERATURE BETWEEN ABOUT 85* C. AND ABOUT 200* C. FOR A PERIOD OF TIME BETWEEN ABOUT 0.67 AND ABOUT 5 HOURS, SAID MIXTURE CONTAINING BETWEEN ABOUT 1 AND 15 ATOMIC WEIGHTS OF ELEMENTAL SULFUR PER MOLECULAR WEIGHT OF SAID ALKYL THIOFORMAL AND SAID SULFURIZED PRODUCT CONTAINING BETWEEN 1 AND ABOUT 15 ATOMS OF CHEMICALLY BOUND SULFUR PER MOLECULE OF SAID ALKYL THIOFORMAL.
Claim 2
Dependent Claim
110 words
A FUNGICIDAL, BACTERICIDAL AND NEMATOCIDAL COMPOSITION COMPRISING AN INERT PESTICIDAL CARRIER MATERIAL AND, AS THE ESSENTIAL ACTIVE INGREDIENT, A SULFURIZED ALKYUL THIOFORMAL PRODUCT OBTAINED BY HEATING A MIXTURE COMPRISING ELEMENTAL SULFUR AND AN ALKYL THIOFORMAL SELECTED FROM THE CLASS CONSISTING OF DIMETHYL THIOFORMAL AND DEITHYL THIOFORMAL AT A TEMPERATURE BETWEEN ABOUT 85* C. AND ABOUT 200* C. FOR A PERIOD OF TIME BETWEEN ABOUT 0.67 AND ABOUT 5 HOURS, SAID MIXTURE CONTAINING BETWEEN ABOUT 1 AND 15 ATOMIC WEIGHTS OF ELEMENTAL SULFUR PER MOLECULAR WEIGHT OF SAID ALKYL THIOFORMAL AND SAID SULFURIZED PRODUCT CONTAINING BETWEEN 1 AND ABOUT 15 ATOMS OF CHEMICALLY BOUND SULFUR PER MOLECULE OF SAID ALKYL THIOFORMAL.
References Cited (Backward Citations)
US2510893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |