US2666764A
Expired / Lapsed
US
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Process of splitting aralkylheterocyclic thioethers with aluminum bromide
Assignee: CIBA PHARM PROD Inc
•
Filing: 1951-07-14
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Granted: 1954-01-19
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Expires: 1971-07-14
Abstract
No abstract record available.
Inventors
- 👤 Anthony E Lanzilotti
- 👤 Anthony C Shabica
- 👤 John B Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:26
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/58; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/28; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/56; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS FOR CLEAVING A HETEROCYCLIC THIOETHER OF THE FORMULA
Claim 2
Dependent Claim
10 words
A PROCESS FOR CLEAVING A HETEROCYCLIC THIOETHER OF THE 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) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |