US3152919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized acrylic fabrics and method for treatment of acrylic fabrics
Assignee: Monsanto Co
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Filing: 1961-10-09
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Granted: 1964-10-13
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Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 James R Biles
- 👤 Doyle C Nicely
- 👤 Sellers G W Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/224; D06M13/232; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D06C; D06C29/00; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23986; Y10T428/23993; Y10T428/31504; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A METHOD OF STABILIZING THE NAPPED FABRIC OF FIBERS OF LINEAR POLYMERS OF ACRYLONITRILE WHICH COMPRISES IMPREGNATING THE NAPPED FABRIC WITH AN AQUEOUS SOLUTION COMPRISING ETHYLENE CARBONATE AND A COPOLYMER OF ETHYL ACRYLATE AND METHYL METHACRYLATE, WHEREIN THE AMOUNT OF ETHYLENE CARBONATE VARIES FRO 0.1 TO 10 PERCENT BASED ON THE WEIGHT OF THE FIBERS, AND HEATING THE IMPREGNATED NAPPED FABRIC.
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |