US3524892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hexanediol from cyclohexane
Assignee: Celanese Corp
•
Filing: 1965-10-14
•
Granted: 1970-08-18
•
Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Theodore Horlenko
- 👤 Hopkins W Tatum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:46
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C29/149; C07C51/00; C07C51/16; C07C51/31; C07C51/313; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2617835A
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US2750429A
Cited
US2703331A
Cited
US2825742A
Cited
US2971023A
Cited
US2904584A
Cited
DE1054082B
Cited
US2975218A
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 |