US3595813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile finishing compositions
Assignee: JP Stevens and Co Inc
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Filing: 1968-08-16
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Granted: 1971-07-27
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Expires: 1988-08-16
Abstract
Abstract A METHOD OF IMPARTING DURABLE ANTISTATIC FINISH TO HYDROPHOBIC MATERIALS NORMALLY SUSCEPTIBLE TO ACCUMULATING ELECTROSTATIC CHARGES COMPRISING TREATING SAID MATERIALS IN AN ACID ENVIRONMENT WITH A HYDROXY TERMINATED POLYFUNCTIONAL POLYOXYALKYLENE COMPOUND AND AN ACID-CATALYZED NITROGEN-CONTAINING CROSSLINKING AGENT.
Inventors
- 👤 Earl H Hartgrove Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:31
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |