US3274257A
Expired / Lapsed
US
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Synthesis of (alkylthio) phenols
Assignee: Dow Chemical Co
•
Filing: 1963-06-17
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Granted: 1966-09-20
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Reifschneider Walter
- 👤 Jacqueline S Kelyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:45
CPC Classifications
C; C07; C07C; C07C323/00; A; A01; A01N; A01N33/00; A01N33/02; A01N33/08; A01N33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
METHOD OF PREPARING PHENOLIC THIOETHERS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
9 words
METHOD OF PREPARING PHENOLIC THIOETHERS OF THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |