US3160677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamide-polyoxamide blends
Assignee: Imperial Chemical Industries Ltd
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Filing: 1961-06-07
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Granted: 1964-12-08
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Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Duxbury Frederick Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:53
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/06; B; B66; B66C; B66C7/00; C08G; C08G69/00; C08G69/40; C08L77/02; H; H01; H01J; H01J23/00; H01J23/16; H01J23/18; H01J23/20; H01J23/207; H01J25/00; H01J25/50; H01J25/52; H01J25/58; H01J25/587; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/014; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A FIBER-FORMING POLYMER BLEND COMPRISING ABOUT 60-95% OF A POLYAMIDE SELECTED FROM THE GROUP CONSISTING OF POLYHEXAMETHYLENE ADIPAMIDE, POLYHEXAMETHYLENE SEBACAMIDE, POLY-E-CAPROAMIDE AND POLY-11-UNDECANOAMIDE AND ABOUT 5-40% OF A POLYOXAMIDE OF AT LEAST ONE AMINE COMPONENT SELECTED FROM THE GROUP CONSISTING OF PENTAMETHYLENE DIAMINE, HEXAMETHYLENE DIAMINE, HEPTAMETHYLENE DIAMINE, OCTAMETHYLENE DIAMINE, NONAMETHYLENE DIAMINE, DECAMETHYLENE DIAMINE, 2-METHYL- AND 3-METHYLHEXAMETHYLENE DIAMINES, 3-METHOXY-HESZMETHYLENE DIAMINE, 2:3-, 2:4-, AND 2:5- AND 3:4-DIMETHYLHEXAMETHYLENE DIAMINES, 2:11-DIAMINO DODECANE, META-XYLYLENE DIAMINES, AND THE REACTION PRODUCTS OF CAPROLACTAM AND HEXAMETHYLENE DIAMINE.
Claim 2
Dependent Claim
79 words
A FIBER-FORMING POLYMER BLEND COMPRISING ABOUT 60-95% OF A POLYAMIDE SELECTED FROM THE GROUP CONSISTING OF POLYHEXAMETHYLENE ADIPAMIDE, POLYHEXAMETHYLENE SEBACAMIDE, POLY-E-CAPROAMIDE AND POLY-11-UNDECANOAMIDE AND ABOUT 5-40% OF A POLYOXAMIDE OF AT LEAST ONE AMINE COMPONENT SELECTED FROM THE GROUP CONSISTING OF PENTAMETHYLENE DIAMINE, HEXAMETHYLENE DIAMINE, HEPTAMETHYLENE DIAMINE, OCTAMETHYLENE DIAMINE, NONAMETHYLENE DIAMINE, DECAMETHYLENE DIAMINE, 2-METHYL- AND 3-METHYLHEXAMETHYLENE DIAMINES, 3-METHOXY-HESZMETHYLENE DIAMINE, 2:3-, 2:4-, AND 2:5- AND 3:4-DIMETHYLHEXAMETHYLENE DIAMINES, 2:11-DIAMINO DODECANE, META-XYLYLENE DIAMINES, AND THE REACTION PRODUCTS OF CAPROLACTAM AND HEXAMETHYLENE DIAMINE.
References Cited (Backward Citations)
US2704282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |