US3657353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing iodomethyl sulfones
Assignee: Abbott Laboratories
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Filing: 1969-07-25
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Granted: 1972-04-18
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Expires: 1989-07-25
Abstract
Abstract IODINATION WITH IODINE AND CHLORINE IN A REACTION MIXTURE BUFFERED TO A WEAKLY ACIDIC PH PRODUCES A SUPERIOR CONVERSION BASED ON BOTH THE IODINE AND THE IODINATED COMPOUND PREPARATION OF IODOMETHYLSULFONES FROM SUBSTITUTED SULFONYL ACETIC ACIDS IS ILLUSTRATED.
Inventors
- 👤 Aldo Joseph Crovetti
- 👤 Richard Paul Germann
- 👤 Artur Blank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:05
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/44; C07C315/00; C07C315/04; C07C317/14
Claims Analysis
Total Claims: 0
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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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |