Patent US2905696A successfully refreshed from Google Patents.
US2905696A
Expired / Lapsed
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Trithiones
Assignee: Standard Oil Co
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Filing: 1957-02-21
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Granted: 1959-09-22
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Expires: 1977-02-21
Abstract
No abstract record available.
Inventors
- 👤 Ellis K Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:42
CPC Classifications
C; C07; C07D; C07D339/00; C07D339/02; C07D339/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR THE PRODUCTION OF ARYL SUBSTITUTED TRITHIONES WHICH COMPRISES REACTING AN ALKYL AROMATIC HYDROCARBON, WHICH HYDROCARBON CONTAINS A BENXENOID RING ATTACHED TO A SATURATED ALIPHATIC CHAIN OF AT LEAST THREE CARBON ATOMS AND IN WHICH THE RING IS ATTACHED TO THE SECOND CARBON ATOM OF THE CHAIN, THUS HAVING THE STRUCTURE
Claim 2
Dependent Claim
53 words
A PROCESS FOR THE PRODUCTION OF ARYL SUBSTITUTED TRITHIONES WHICH COMPRISES REACTING AN ALKYL AROMATIC HYDROCARBON, WHICH HYDROCARBON CONTAINS A BENXENOID RING ATTACHED TO A SATURATED ALIPHATIC CHAIN OF AT LEAST THREE CARBON ATOMS AND IN WHICH THE RING IS ATTACHED TO THE SECOND CARBON ATOM OF THE CHAIN, THUS HAVING THE STRUCTURE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |