US3635945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trialkylphosphinegold complexes of 1-beta-d-glucopyranosides
Assignee: Smith Kline & French Laboratories Ltd
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Filing: 1969-10-28
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Granted: 1972-01-18
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Expires: 1989-10-28
Abstract
Abstract TRIALKYPHOSPHENIEGOLD COMPLEXES OF 1-B-D-GLUCOPYRANOSIDES HAVING ANTI-ARTHRITIC ACTIVITY ARE PREPARED BY REACTION OF AN APPROPRIATE GLUCOPYRANOSIDE DERIVATIVE WITH A TRIALKYLPHOSPHINEGOLD HALIDE.
Inventors
- 👤 Piroska E Nemeth
- 👤 Blaine M Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:59
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07H; C07H23/00
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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |