Patent US3072679A successfully refreshed from Google Patents.
US3072679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3, 4-epoxy-1-hydroxyacetal-cyclohexanes and endomethylene cyclohexanes
Assignee: BASF Schweiz AG
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Filing: 1960-10-21
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Granted: 1963-01-08
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Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Batzer Hans
- 👤 Ernst Otto
- 👤 Fatzer Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:27
CPC Classifications
C; C07; C07D; C07D407/00; C07D407/02; C07D407/04; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A MONOEPOXIDE OF THE FORMULA
Claim 2
Dependent Claim
5 words
A MONOEPOXIDE OF THE FORMULA
References Cited (Backward Citations)
US2729650A
Cited
US2895962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |