US3489806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isoprenoid compounds and a process for producing the same
Assignee: F Hoffmann La Roche AG
•
Filing: 1967-01-19
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Granted: 1970-01-13
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Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 Hugo Gutmann
- 👤 Roman Marbet
- 👤 Ulrich Schwieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:39
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/5428; C07C; C07C45/00; C07C45/27; C07C45/29; C07C45/298; C07C45/51; C07C45/511; C07C45/513; C07C45/515; C07C45/61; C07C45/62; C07C45/67; C07C45/68; C07C45/70; C07C45/72; C07C51/00; C07C51/16; C07C59/00; C07C59/40; C07C59/42; C07F9/06; C07F9/08; C07F9/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106180A
Cited
US2106181A
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US2676992A
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US2824041A
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US2780658A
Cited
US2815379A
Cited
US2815380A
Cited
US2797234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |