US3279944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of increasing the tensile strength of nylon filament with chlorine or bromine substituted lower alkanes
Assignee: Mobil Oil AS
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Filing: 1962-08-06
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Granted: 1966-10-18
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Prior
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:21
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD FOR IMPROVING THE TENSILE STRENGTH OF NYLON FILAMENTARY MATERIAL WHICH COMPRISES CONTACTING THE FILAMENTARY MATERIAL WITH A COMPOUND RESPRESENTED BY THE FORMULA (X)N-R, IN WHICH X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, N IS AN INTEGER OF FROM 2 TO 4, AND R IS A SATURATED ALIPHATIC HYDROCARBON RADICAL CONTAINING FROM 1 TO 5 CARBON ATOMS AND AT LEAST TWO HYDROGEN ATOMS, SAID COMPOUND HAVING A BOILING POINT BELOW THE SOFTENING POINT OF THE FILAMENTARY MATERIAL, AND MAINTAINING THE FILAMENTARY MATERIAL IN CONTACT WITH SAID COMPOUND AT ABOUT THE BOILING TEMPERATURE OF SAID COMPOUND FOR AT LEAST ABOUT 24 HOURS THEREAFTER AT ABOUT AMBIENT TEMPERATURE FOR AT LEAST ABOUT 48 HOURS.
Claim 2
Independent Claim
119 words
A METHOD FOR IMPROVING THE TENSILE STRENGTH OF NYLON FILAMENTARY MATERIAL WHICH COMPRISES CONTACTING THE FILAMENTARY MATERIAL WITH A COMPOUND RESPRESENTED BY THE FORMULA (X)N-R, IN WHICH X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE, N IS AN INTEGER OF FROM 2 TO 4, AND R IS A SATURATED ALIPHATIC HYDROCARBON RADICAL CONTAINING FROM 1 TO 5 CARBON ATOMS AND AT LEAST TWO HYDROGEN ATOMS, SAID COMPOUND HAVING A BOILING POINT BELOW THE SOFTENING POINT OF THE FILAMENTARY MATERIAL, AND MAINTAINING THE FILAMENTARY MATERIAL IN CONTACT WITH SAID COMPOUND AT ABOUT THE BOILING TEMPERATURE OF SAID COMPOUND FOR AT LEAST ABOUT 24 HOURS THEREAFTER AT ABOUT AMBIENT TEMPERATURE FOR AT LEAST ABOUT 48 HOURS.
References Cited (Backward Citations)
US2071251A
Cited
US2249756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |