US2744888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethenoxy n-monoethanolamides of tall oil
Assignee: Wyeth Holdings LLC
•
Filing: 1952-09-13
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Granted: 1956-05-08
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Expires: 1972-09-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Carnes
- 👤 Jr William T Booth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:03
CPC Classifications
C; C11; C11B; C11B13/00; C11B13/005; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
ETHENOXY N-MONOETHANOLAMIDES OF TALL OIL ACID MIXTURES CONTAINING ABOUT 80% TO 20% BY WEIGHT OF FATTY ACIDS OF 16-18 CARBON ATOMS AND ABOUT 20% TO 75% BY WEIGHT OF ABIETIC ACID, SAID N-MONOETHANOLAMIDE DERIVATIVES CONTAINING ABOUT 4 TO 50 ETHENOXY GROUPS PER MOLECULE.
Claim 2
Dependent Claim
43 words
ETHENOXY N-MONOETHANOLAMIDES OF TALL OIL ACID MIXTURES CONTAINING ABOUT 80% TO 20% BY WEIGHT OF FATTY ACIDS OF 16-18 CARBON ATOMS AND ABOUT 20% TO 75% BY WEIGHT OF ABIETIC ACID, SAID N-MONOETHANOLAMIDE DERIVATIVES CONTAINING ABOUT 4 TO 50 ETHENOXY GROUPS PER MOLECULE.
References Cited (Backward Citations)
USRE21530E
Cited
US2085706A
Cited
GB467571A
Cited
US2555606A
Cited
US2520381A
Cited
US2469493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |