US3298980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylene oxide polymer compositions flexibilized with salts of carboxylic acids
Assignee: Union Carbide Corp
•
Filing: 1963-08-01
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Granted: 1967-01-17
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Robert D Lundberg
- 👤 Robert W Callard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE HOMOGENEOUS COMPOSITION COMPRISING A POLY(ETHYLENE OXIDE) HAVING A REDUCED VISCOSITY OF AT LEAST 1 AND FROM ABOUT 20 TO ABOUT 40 PERCENT BY WEIGHT, BASED UPON SAID POLY(ETHYLENE OXIDE), OF A SALT CONTAINING FROM 4 TO 22 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF AMMONIUM SALTS OF ALIPHATIC CARBOXYLIC ACIDS, AMMONIUM SALTS OF AROMATIC CARBOXYLIC ACIDS, ALKALI METAL SALTS OF ALIPHATIC CARBOXYLIC ACIDS, AND ALKALI METAL SALTS OF AROMATIC CARBOXYLIC ACIDS.
Claim 2
Dependent Claim
12 words
THE HOMOGENEOUS COMPOSITION OF CLAIM 3 WHEREIN SAID SALT IS SODIUM OLEATE.
References Cited (Backward Citations)
FR1293929A
Cited
GB949992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |