US3329758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating polyester filament with a surface active compound to permit lagging before drawing
Assignee: Monsanto Co
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Filing: 1963-06-17
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Granted: 1967-07-04
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert S Morgan
- 👤 Jr Horace M Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:04
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/46; D06M13/463; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D06M2101/00; D06M2101/16; D06M2101/30; D06M2101/32; D06M2200/00; D06M2200/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OF TREATING POLYESTER FILAMENTS WHICH CONSISTS ESSENTIALLY OF TREATING SAID FILAMENTS IMMEDIATELY FOLLOWING THE EXTRUSION OF SAID FILAMENTS WITH AN AQUEOUS CONSISTING ESSENTIALLY OF FROM ABOUT 2 TO 15 PERCENT BY WEIGHT OF SOLIDS, SAID SOLIDS CONSISTING ESSENTIALLY OF A CATIONIC SURFACE ACTIVE QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
Claim 2
Independent Claim
51 words
A METHOD OF TREATING POLYESTER FILAMENTS WHICH CONSISTS ESSENTIALLY OF TREATING SAID FILAMENTS IMMEDIATELY FOLLOWING THE EXTRUSION OF SAID FILAMENTS WITH AN AQUEOUS CONSISTING ESSENTIALLY OF FROM ABOUT 2 TO 15 PERCENT BY WEIGHT OF SOLIDS, SAID SOLIDS CONSISTING ESSENTIALLY OF A CATIONIC SURFACE ACTIVE QUATERNARY AMMONIUM COMPOUND HAVING THE FORMULA
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |