US2760980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted naphthalenes
Assignee: Monsanto Chemicals Ltd
•
Filing: 1954-01-11
•
Granted: 1956-08-28
•
Expires: 1974-01-11
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand C Meyer
- 👤 Angelo J Speziale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:46
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/753
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
AS NEW CHEMICAL COMPOUNDS, THE TRANS ISOMERS OF 1-HYDROXY-4-KETO-2-ALKOXY-4A-METHYL-1,4,4A,5,8,8A - HEXAHYDRONAPHTHALENE WHEREIN SAID ALKOXY GROUP CONTAINS FROM 1 TO 5 CARBON ATOMS.
Claim 2
Dependent Claim
22 words
AS NEW CHEMICAL COMPOUNDS, THE TRANS ISOMERS OF 1-HYDROXY-4-KETO-2-ALKOXY-4A-METHYL-1,4,4A,5,8,8A - HEXAHYDRONAPHTHALENE WHEREIN SAID ALKOXY GROUP CONTAINS FROM 1 TO 5 CARBON ATOMS.
References Cited (Backward Citations)
US2066951A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |