US3114768A
Expired / Lapsed
US
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Synthesis of polycyclic alkanoic acid compounds
Assignee: Union Carbide Corp
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Filing: 1961-09-25
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Granted: 1963-12-17
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Henry E Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:03
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C07; C07C; C07C51/00; C07C51/347; C07C51/353; C08G63/00; C08G63/02; C08G63/12; C08G63/123; C08G63/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
IN A PROCESS FOR PRODUCING A POLYCYCLIC ALKANOIC ACID COMPOUND REPRESENTED IN THE FREE ACID FORM BY THE FORMULA:
Claim 2
Dependent Claim
19 words
IN A PROCESS FOR PRODUCING A POLYCYCLIC ALKANOIC ACID COMPOUND REPRESENTED IN THE FREE ACID FORM BY THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |