Patent US2560046A successfully refreshed from Google Patents.
US2560046A
Expired / Lapsed
US
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Preparation of thioamides
Assignee: Bridgestone Firestone Inc
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Filing: 1948-12-30
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Granted: 1951-07-10
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Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 Alliger Glen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:03
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/194; C07D295/20; C07D295/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF PREPARING A THIOAMIDE WHICH COMPRISES CONDENSING A SALT OF AN ACID WHICH INCLUDES THE GROUP -C-CSSH WITH AN N-HALOAMINE OF THE FORMULA RR''NHAL, WHERE HAL IS OF THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE AND R AND R'' ARE OF THE GROUP CONSISTING OF HYDROGEN, THE ALIPHATIC RADICALS, AND RADICALS IN WHICH R AND R'' FORM A RING, AND R AND R'' ARE NOT BOTH HYDROGEN.
Claim 2
Independent Claim
70 words
THE METHOD OF PREPARING A THIOAMIDE WHICH COMPRISES CONDENSING A SALT OF AN ACID WHICH INCLUDES THE GROUP -C-CSSH WITH AN N-HALOAMINE OF THE FORMULA RR''NHAL, WHERE HAL IS OF THE GROUP CONSISTING OF CHLORINE, BROMINE AND IODINE AND R AND R'' ARE OF THE GROUP CONSISTING OF HYDROGEN, THE ALIPHATIC RADICALS, AND RADICALS IN WHICH R AND R'' FORM A RING, AND R AND R'' ARE NOT BOTH HYDROGEN.
References Cited (Backward Citations)
US2333468A
Cited
US2421352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |