US2889294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous reaction product of an aliphatic polycarboxylic acid, certain oil acids, an adduct of ethylene oxide and certain polyhydric alcohols and rosin acids
Assignee: Wyeth Holdings LLC
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Filing: 1956-04-19
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Granted: 1959-06-02
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Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph E Layman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:47
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COMPOSITION OF MATTER COMPRISING THE RESINOUS REACTION PRODUCT OF (A) AN ALIPHATIC POLYCARBOXYLIC ACID, (B) AN UNSATURATED OIL FATTY ACID, (C) THE ADDUCT OF ETHYLENE OXIDE WITH A POLYHYDRIC ALCOHOL HAVING AT LEAST 5 CARBON ATOMS AND AT LEAST 4 HYDROXY GROUPS AND (D) FROM ABOUT 1% TO ABOUT 60% BY WEIGHT BASED ON THE TOTAL RESIN SOLIDS OF THE COMPOSITION OF ROSIN ACIDS WHEREIN SAID ADDUCT CONTAINS FROM ABOUT 3 MOLS TO ABOUT 7 MOLS OF ETHYLENE OXIDE PER HYDROXY GROUP OF THE POLYHYDRIC ALCOHOL.
Claim 2
Dependent Claim
87 words
A COMPOSITION OF MATTER COMPRISING THE RESINOUS REACTION PRODUCT OF (A) AN ALIPHATIC POLYCARBOXYLIC ACID, (B) AN UNSATURATED OIL FATTY ACID, (C) THE ADDUCT OF ETHYLENE OXIDE WITH A POLYHYDRIC ALCOHOL HAVING AT LEAST 5 CARBON ATOMS AND AT LEAST 4 HYDROXY GROUPS AND (D) FROM ABOUT 1% TO ABOUT 60% BY WEIGHT BASED ON THE TOTAL RESIN SOLIDS OF THE COMPOSITION OF ROSIN ACIDS WHEREIN SAID ADDUCT CONTAINS FROM ABOUT 3 MOLS TO ABOUT 7 MOLS OF ETHYLENE OXIDE PER HYDROXY GROUP OF THE POLYHYDRIC ALCOHOL.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |