Patent US2579658A successfully refreshed from Google Patents.
US2579658A
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US
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3-methyl-1-(1'-hydroxy-2', 6', 6'-trimethylcyclohexyl)-octa-3, 5-dien-1-yn-7-one andprocess of preparing same
Assignee: Glaxo Laboratories Ltd
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Filing: 1950-09-05
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Granted: 1951-12-25
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Expires: 1970-09-05
Abstract
No abstract record available.
Inventors
- 👤 Evans Ronald Major
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:26
CPC Classifications
C; C07; C07C; C07C403/00; C07C403/14; C07C403/16; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
AS A NEW COMPOUND, 3-METHYL-1-(1''-HYDROXY - 2''6:6'' - TRIMETHYLCYCLOHEXYL) - OCTA 3:5-DIEN-1-YN-7-ONE REPRESENTED BY THE FOLLOWING STRUCTURAL FORMULA
Claim 2
Dependent Claim
18 words
AS A NEW COMPOUND, 3-METHYL-1-(1''-HYDROXY - 2''6:6'' - TRIMETHYLCYCLOHEXYL) - OCTA 3:5-DIEN-1-YN-7-ONE REPRESENTED BY THE FOLLOWING STRUCTURAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |