US3622378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibers with anionic-cationic finish
Assignee: EIDP Inc
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Filing: 1968-08-09
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Granted: 1971-11-23
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Expires: 1988-08-09
Abstract
Abstract A textile fiber having a finish coating of compatibilized cationic and anionic components comprising from 0.06 percent to about 3 percent by weight of the fiber, said coating comprising a mixture of (a) an organic anionic surfactant containing at least one alkyl or alkenyl group having from eight to 20 carbon atoms; (b) an organic cationic nitrogen containing surfactant having at least one long chain alkyl or alkenyl group of eight to about 20 carbon atoms; and (c) a compatibilizing quantity of an organic amphoteric nitrogen containing surfactant having at least one alkyl or alkenyl group of eight to 20 carbon atoms.
Inventors
- 👤 Thomas J Proffitt Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:12
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/342; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 0
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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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |