US3196147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-o-alkyl-5, 5-dialkyl-l-xylose derivatives
Assignee: F Hoffmann La Roche AG
•
Filing: 1962-10-04
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Granted: 1965-07-20
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Kiss Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:44
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33; C07C; C07C205/00; C07C205/49; C07C205/57; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/178; C07C43/1785; C07H; C07H15/00; C07H15/02; C07H15/04; C07H15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
2-ACYLAMINOBENZOYL-4-O-LOWER ALKYL-5,5-DI-(C1-C5 ALKYL) XYLOSE,
Claim 2
Dependent Claim
4 words
2-ACYLAMINOBENZOYL-4-O-LOWER ALKYL-5,5-DI-(C1-C5 ALKYL) XYLOSE,
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |