US2714607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethoxy esters of p-butylaminobenzoic acid
Assignee: CIBA PHARM PROD Inc
•
Filing: 1951-02-13
•
Granted: 1955-08-02
•
Expires: 1971-02-13
Abstract
No abstract record available.
Inventors
- 👤 Matter Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:14
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A NEW ESTER WHICH CORRESPONDS TO THE FORMULA
Claim 2
Dependent Claim
8 words
A NEW ESTER WHICH CORRESPONDS TO THE FORMULA
References Cited (Backward Citations)
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Cited
US1970578A
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US2115700A
Cited
US2298186A
Cited
US2269529A
Cited
US2396513A
Cited
US2454808A
Cited
US2480185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |