US3167448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating fabrics with ethylene carbonate and article produced therefrom
Assignee: Monsanto Co
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Filing: 1961-08-23
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Granted: 1965-01-26
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Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Julian J Hirshfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:01
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; D06M13/00; D06M13/10; D06M13/224; D06M13/232; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23986
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A METHOD OF STABILIZING THE NAP OF FABRICS COMPOSED OF FIBERS OF SYNTHETIC LINEAR POLYMERS OF ACRYLONITRILE, COMPRISING IMPREGNATING THE NAPPED FABRIC WITH AN AQUEOUS SOLUTION OF ETHYLENE CARBONATE AND A SILICONE RESIN IN WHICH THE ETHYLENE CARBONATE AS A BONDING AGENT IS USED IN AN AMOUNT OF FROM 0.05 PERCENT TO 50 PERCENT BY WEIGHT OF THE SOLUTION, DRYING SAID FABRIC AND CURING THE SILICONE RESIN BY HEATING SAID FABRIC AT A TEMPERATURE OF FROM 240*F. TO 300*F. FOR 5 TO 60 MINUTES.
References Cited (Backward Citations)
US2588365A
Cited
US2734041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |