US3230228A
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Panthenol derivatives and processes for their preparation
Assignee: F Hoffmann La Roche AG
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Filing: 1963-04-16
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Granted: 1966-01-18
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Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 Erlemann Gustav
- 👤 Guex Waldemar
- 👤 Schnider Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:24
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61K8/44; A61K8/46; A61K8/49; A61K8/4906; A61K8/4926; A61Q; A61Q19/00; A61Q5/00; C07C; C07C231/00; C07C231/02; C07C231/16; C07C235/00; C07C235/02; C07C235/04; C07C235/08; C07C319/00; C07C319/14; C07C319/20; C07C323/00; C07C323/23; C07C323/39; C07C323/40; C07C323/41; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07D213/32; A61Q5/006; C07B; C07B2200/00; C07B2200/07; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 0
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |