US3524895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separating trans from cis isomers
Assignee: Mobil Oil AS
•
Filing: 1969-06-19
•
Granted: 1970-08-18
•
Expires: 1989-06-19
Abstract
No abstract record available.
Inventors
- 👤 Nai Yuen Chen
- 👤 Stanley J Lucki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:40
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12; C07C7/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2543286A
Cited
US2850549A
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US2866835A
Cited
US2987471A
Cited
US3106593A
Cited
US3070542A
Cited
US3201490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |