US3206467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing thioethers
Assignee: Dow Chemical Co
•
Filing: 1962-06-27
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Granted: 1965-09-14
•
Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Reifschneider Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:14
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07C; C07C319/00; C07C319/14; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/36; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/34; C08; C08G; C08G75/00; C08G75/02; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD FOR THE SYNTHESIS OF THIOETHERS WHICH COMPRISES CAUSING A REACTION BETWEEN A MEMBER OF THE GROUP CONSISTING OF A MERCAPTAN AND AN ALKALI METAL SALT OF A MERCAPTAN, AND AN ORGANIC HALIDE IN THE PRESENCE, SIMULTANEOUSLY, OF BOTH A NITROGENOUS BASE AND A SOURCE OF CUPROUS ION.
Claim 2
Independent Claim
49 words
A METHOD FOR THE SYNTHESIS OF THIOETHERS WHICH COMPRISES CAUSING A REACTION BETWEEN A MEMBER OF THE GROUP CONSISTING OF A MERCAPTAN AND AN ALKALI METAL SALT OF A MERCAPTAN, AND AN ORGANIC HALIDE IN THE PRESENCE, SIMULTANEOUSLY, OF BOTH A NITROGENOUS BASE AND A SOURCE OF CUPROUS ION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |