US3335209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating polyester filaments
Assignee: Monsanto Co
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Filing: 1966-05-18
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Granted: 1967-08-08
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Expires: 1986-05-18
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 00:56
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D01F11/00; D01F11/04; D01F11/08; D01F6/78; D01F6/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A METHOD OF PREPARING POLYESTER FILAMENTS WHICH COMPRISES EXTRUDING SAID FILAMENTS, IMMEDIATELY THEREAFTER TREATING SAID FILAMENTS WITH AN AQUEOUS EMULSION THE SOLIDS CONTENT OF WHICH CONSISTS ESSENTIALLY OF (1) FROM ABOUT 20 TO 100 PERCENT BY WIEGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A NON-IONIC SURFACE ACTIVE PARTICAL ESTER OF A POLYHYDRIC ALCOHOL HAVING FROM ABOUT 2 TO 8 CARBON ATOMS AND AN ALIPHATIC CARBOXYLIC ACID AND A NON-IONIC SURFACE ACTIVE PARTIAL ESTER OF APOLYHYDRIC ALCOHOL HAVING FROM ABOUT 2 TO 8 CARBON ATOMS AND AN ALIPHATIC CARBOXYLIC ACID CONDENSED WITH ABOUT 4 TO 20 MOLES OF ETHYLENE OXIDE AND (2) FROM ABOUT 0 TO 80 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE POLYETHER PREPARED BY CONDENSING FROM ABOUT 150 TO 250 MOLES OF ETHYLENE OXIDE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF WATER-INSOLUBLE HYDROXY FATTY ACID ESTERS OF SAID ACIDS AND MIXTURES OF SAID ACIDS AND ESTERS, LAGGING SAID TREATED FILAMENTS FOR PERIODS OF ABOUT 12 HOURS TO ABOUT 30 DAYS AND THEREAFTER UNIFORMLY DRAWING SAID FILAMENTS.
Claim 2
Independent Claim
174 words
A METHOD OF PREPARING POLYESTER FILAMENTS WHICH COMPRISES EXTRUDING SAID FILAMENTS, IMMEDIATELY THEREAFTER TREATING SAID FILAMENTS WITH AN AQUEOUS EMULSION THE SOLIDS CONTENT OF WHICH CONSISTS ESSENTIALLY OF (1) FROM ABOUT 20 TO 100 PERCENT BY WIEGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF A NON-IONIC SURFACE ACTIVE PARTICAL ESTER OF A POLYHYDRIC ALCOHOL HAVING FROM ABOUT 2 TO 8 CARBON ATOMS AND AN ALIPHATIC CARBOXYLIC ACID AND A NON-IONIC SURFACE ACTIVE PARTIAL ESTER OF APOLYHYDRIC ALCOHOL HAVING FROM ABOUT 2 TO 8 CARBON ATOMS AND AN ALIPHATIC CARBOXYLIC ACID CONDENSED WITH ABOUT 4 TO 20 MOLES OF ETHYLENE OXIDE AND (2) FROM ABOUT 0 TO 80 PERCENT BY WEIGHT OF A NON-IONIC SURFACE ACTIVE POLYETHER PREPARED BY CONDENSING FROM ABOUT 150 TO 250 MOLES OF ETHYLENE OXIDE WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF WATER-INSOLUBLE HYDROXY FATTY ACID ESTERS OF SAID ACIDS AND MIXTURES OF SAID ACIDS AND ESTERS, LAGGING SAID TREATED FILAMENTS FOR PERIODS OF ABOUT 12 HOURS TO ABOUT 30 DAYS AND THEREAFTER UNIFORMLY DRAWING SAID FILAMENTS.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |