US3828075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of 1,5-dimethyl-6,8-dioxabicyclo(3.2.1)octane
Assignee: Eastman Kodak Co
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Filing: 1972-08-08
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Granted: 1974-08-06
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Expires: 1992-08-08
Abstract
Abstract 1,5-DIMETHYL-6,8-DIOXABICYCLO(3.2.1)OCTANE IS PREPARED BY REACTING 2-METHYL-1-HEPTENE-6-ONE WITH A PERACID OR PEROXIDE.
Inventors
- 👤 H Dietl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:54
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/08
Claims Analysis
Total Claims: 0
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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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |