US3091613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2, 3-dimercaptoquinoxaline derivatives
Assignee: Bayer AG
•
Filing: 1959-06-30
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Granted: 1963-05-28
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Sasse Klaus
- 👤 Wegler Richard
- 👤 Unterstenhofer Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:53
CPC Classifications
C; C07; C07D; C07D495/00; C07D495/02; C07D495/04; C07D241/00; C07D241/36; C07D241/38; C07D241/40; C07D241/44; C07F; C07F5/00; C07F5/02; C07F5/025; C07F7/00; C07F7/02; C07F7/08; C07F7/0898; C07F7/22; C07F7/226; C07F9/00; C07F9/02; C07F9/66; C07F9/68; C07F9/70; C07F9/90; C07F9/902; C07F9/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A COMPOUND OF THE FORMULA 2,3-(-S-X-S-),DI(R-)-QUINOXALINE WHEREIN R AND R'' EACH STAND FOR A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, HALOGEN, NITRO, LOWER ALKOXY, AMINOCARBONYL, AMINOSULFONYL AND CARBOXYL; X STANDS FOR A MEMBER SELECTED FROM THE GROUP CONSISTING OF C=O, C=S, C=N-PHENYL, S AND S=O.
Claim 2
Dependent Claim
49 words
A COMPOUND OF THE FORMULA 2,3-(-S-X-S-),DI(R-)-QUINOXALINE WHEREIN R AND R'' EACH STAND FOR A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, HALOGEN, NITRO, LOWER ALKOXY, AMINOCARBONYL, AMINOSULFONYL AND CARBOXYL; X STANDS FOR A MEMBER SELECTED FROM THE GROUP CONSISTING OF C=O, C=S, C=N-PHENYL, S AND S=O.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |