US3060200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounds of the anthraquinone series
Assignee: Sandoz AG
•
Filing: 1959-11-30
•
Granted: 1962-10-23
•
Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 Buecheler Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:19
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; C09B1/503; C07; C07C; C07C225/00; C07C225/24; C07C225/26; C07C225/32; C07C225/34; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
COMPOUNDS OF THE ANTHRAQUINONE SERIES CORRESPONDING THE FORMULA
Claim 2
Dependent Claim
8 words
COMPOUNDS OF THE ANTHRAQUINONE SERIES CORRESPONDING THE FORMULA
References Cited (Backward Citations)
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Cited
US2485197A
Cited
US2391011A
Cited
US2480269A
Cited
US2713060A
Cited
US2827356A
Cited
US2894800A
Cited
CH330824A
Cited
US2918344A
Cited
US2944870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |