US3555114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycaprolactam polymerized with diethanolamine
Assignee: Honeywell International Inc
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Filing: 1968-10-11
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Granted: 1971-01-12
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Expires: 1988-10-11
Abstract
Abstract THE MODIFIED POLYAMIDES FORMED BY POLYMERIZATION OF E-CAPROLACTAM IN THE PRESENCE OF DIETHANOLAMINE, POSSESS NUMEROUS ADVANTAGES OVER OTHER POLYAMIDES. THE MODIFIED POLYAMIDES HAVE EXCELLENT DYING CHARACTERISTICS IN FIBER FORM AND EXCELLENT PRINTABILITY IN FILM FORM. WHEN BLENDED WITH POLYESTERS AND/OR OTHER POLYAMIDES, THE COMPOSITE BLEND HAS SUPERIOR TEAR PROPERTIES IN COMPARISON WITH CONVENTIONAL POLYESTER/POLYAMIDE COMPOSITE BLENDS.
Inventors
- 👤 Herbert K Reimschuessel
- 👤 Gerald J Dege
- 👤 Robert Fuhrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:44
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/14; C08G69/16
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |