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Patent US3860648A successfully refreshed from Google Patents.
US3860648A
Expired / Lapsed
US
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1-(p-trifluoromethoxyphenyl)-biguanide
Assignee: William H Rorer Inc
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Filing: 1974-02-12
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Granted: 1975-01-14
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Expires: 1994-02-12
Abstract
Abstract 1-Aryl and aralkyl biguanides and their acid addition salts in suitable pharmaceutical dosage form are useful in the treatment of gastrointestinal disorders.
Inventors
- 👤 Julius Diamond
- 👤 Jr William J Novick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:43
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/26; C07C317/32; C07C317/34; C07C317/38; C07C317/42; C07C279/00; C07C279/20; C07C279/24; C07C279/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2934535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |